51
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Picard B, Fukuyama T, Ryu I. Phosphine-Free Aminocarbonylation Using Pd/DBU Catalyst: Carbonylative Coupling of Aryl Iodides and Amines. J Org Chem 2022; 88:5220-5225. [PMID: 36525565 DOI: 10.1021/acs.joc.2c02369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
An improved carbonylation method allowing amide bond formation between aryl iodides and aromatic amines is presented. In contrast to usual methods based on Pd catalysis, this method does not require a phosphine ligand. The catalyst system simply employs bis(dibenzylideneacetone)palladium (0.5 mol %) and DBU (10 mol %). The method was applied to the synthesis of various aromatic amides from aryl iodides and amines, and was scaled to gram order synthesis under as low as 1 atm of carbon monoxide.
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Affiliation(s)
- Baptiste Picard
- Organization for Research Promotion, Osaka Metropolitan University, Sakai, Osaka 599-8531, Japan
| | - Takahide Fukuyama
- Department of Chemistry, Graduate School of Science, Osaka Metropolitan University, Sakai, Osaka 599-8531, Japan
| | - Ilhyong Ryu
- Organization for Research Promotion, Osaka Metropolitan University, Sakai, Osaka 599-8531, Japan
- Department of Applied Chemistry, National Yang Ming Chiao Tung University (NYCU), Hsinchu 30010, Taiwan
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52
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Wagner-Carlberg N, Rovis T. Rhodium(III)-Catalyzed Anti-Markovnikov Hydroamidation of Unactivated Alkenes Using Dioxazolones as Amidating Reagents. J Am Chem Soc 2022; 144:22426-22432. [PMID: 36453859 PMCID: PMC10583218 DOI: 10.1021/jacs.2c10552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
The amide is one of the most prevalent functional groups in all of pharmaceuticals, and for this reason, reactions that introduce the amide moiety are of particular value. Intermolecular hydroamidation of alkenes remains an underexplored method for the synthesis of amide-containing compounds. The majority of hydroamidation procedures exhibit Markovnikov regioselectivity, while current methods for anti-Markovnikov hydroamidation are somewhat limited to activated alkene substrates or radical processes. Herein, we report a general method for the intermolecular anti-Markovnikov hydroamidation of unactivated alkenes under mild conditions, utilizing Rh(III) catalysis in conjunction with dioxazolone amidating reagents and isopropanol as an environmentally friendly hydride source. The reaction tolerates a wide range of functional groups and efficiently converts electron-deficient alkenes, styrenes, and 1,1-disubstituted alkenes, in addition to unactivated alkenes, to their corresponding linear amides. Mechanistic studies reveal a reversible rhodium hydride migratory insertion step, leading to exquisite selectivity for the anti-Markovnikov product.
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Affiliation(s)
- Noah Wagner-Carlberg
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Tomislav Rovis
- Department of Chemistry, Columbia University, New York, New York 10027, United States
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53
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Chen H, Wu ZZ, Shao DY, Huang PQ. Multicatalysis protocol enables direct and versatile enantioselective reductive transformations of secondary amides. SCIENCE ADVANCES 2022; 8:eade3431. [PMID: 36417504 PMCID: PMC9683713 DOI: 10.1126/sciadv.ade3431] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
The catalytic asymmetric geminal bis-nucleophilic addition to nonreactive functional groups is a type of highly desirable yet challenging transformation in organic chemistry. Here, we report the first catalytic asymmetric reductive/deoxygenative alkynylation of secondary amides. The method is based on a multicatalysis strategy that merges iridium/copper relay catalysis with organocatalysis. A further combination with the palladium-catalyzed alkyne hydrogenation allows the one-pot enantioselective reductive alkylation of secondary amides. This versatile protocol allows the efficient synthesis of four types of α-branched chiral amines, which are prevalent structural motifs of active pharmaceutical ingredients. The protocol also features excellent enantioselectivity, chemoselectivity, and functional group tolerance to be compatible with more reactive functional groups such as ketone and aldehyde. The synthetic utility of the method was further demonstrated by the late-stage functionalization of two drug derivatives and the concise, first catalytic asymmetric approach to the κ-opioid antagonist aticaprant.
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54
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Zhou J, Paladino M, Hall DG. Direct Boronic Acid Promoted Amidation of Carboxylic Acids with Poorly Nucleophilic Amines. European J Org Chem 2022. [DOI: 10.1002/ejoc.202201050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jingning Zhou
- Department of Chemistry University of Alberta 4-010 Centennial Centre for Interdisciplinary Science T6G 2G2 Edmonton Alberta Canada
| | - Marco Paladino
- Department of Chemistry University of Alberta 4-010 Centennial Centre for Interdisciplinary Science T6G 2G2 Edmonton Alberta Canada
| | - Dennis G. Hall
- Department of Chemistry University of Alberta 4-010 Centennial Centre for Interdisciplinary Science T6G 2G2 Edmonton Alberta Canada
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55
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Preparation of polar embedded C18 stationary phase for efficient separation of peptides and proteins in high performance liquid chromatography. J Chromatogr A 2022; 1684:463534. [DOI: 10.1016/j.chroma.2022.463534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/28/2022] [Accepted: 09/26/2022] [Indexed: 11/24/2022]
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56
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Xie LY, Peng S, Yang LH, Liu XW. Metal-Free Synthesis of Carbamoylated Chroman-4-Ones via Cascade Radical Annulation of 2-(Allyloxy)arylaldehydes with Oxamic Acids. Molecules 2022; 27:molecules27207049. [PMID: 36296640 PMCID: PMC9609457 DOI: 10.3390/molecules27207049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/12/2022] [Accepted: 10/12/2022] [Indexed: 11/17/2022] Open
Abstract
An efficient and straightforward approach for the synthesis of carbamoylated chroman-4-ones has been well-developed. The reaction is triggered through the generation of carbamoyl radicals from oxamic acids under metal-free conditions, which subsequently undergoes decarboxylative radical cascade cyclization on 2-(allyloxy)arylaldehydes to afford various amide-containing chroman-4-one scaffolds with high functional group tolerance and a broad substrate scope.
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57
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Chouhan KK, Chowdhury D, Mukherjee A. Transamidation of aromatic amines with formamides using cyclic dihydrogen tetrametaphosphate. Org Biomol Chem 2022; 20:7929-7935. [PMID: 36155708 DOI: 10.1039/d2ob00882c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Amide fragments are found to be one of the key constituents in a wide range of natural products and pharmacologically active compounds. Herein, we report a simple and efficient procedure for transamidation with a cyclic dihydrogen tetrametaphosphate. The protocol is simple, does not require any additives, and encompasses a broad substrate scope. To comprehend the mechanism of the present methodology, detailed spectroscopic and kinetic studies were undertaken.
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Affiliation(s)
- Kishor Kumar Chouhan
- Indian Institute of Technology Bhilai, GEC Campus, Sejbahar, Raipur-492015, Chhattisgarh, India.
| | - Deep Chowdhury
- Indian Institute of Technology Bhilai, GEC Campus, Sejbahar, Raipur-492015, Chhattisgarh, India.
| | - Arup Mukherjee
- Indian Institute of Technology Bhilai, GEC Campus, Sejbahar, Raipur-492015, Chhattisgarh, India.
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58
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Zhang Y, Bao ZP, Xu JX, Wu XF. Palladium-Catalyzed Perfluoroalkylative Carbonylation of 2-Allylaryl Trifluoromethanesulfonates: Base-Controlled Selective Access to β-Perfluoroalkyl Amides. Org Lett 2022; 24:6845-6850. [PMID: 36098561 DOI: 10.1021/acs.orglett.2c02779] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A palladium-catalyzed perfluoroalkylative carbonylation of 2-allylaryl trifluoromethanesulfonates has been developed. A range of 2-allyl trifluoromethanesulfonates, perfluoroalkyl halides, and amines were applied in this tandem procedure to provide the corresponding β-perfluoroalkyl amides with good functional group tolerance and high chemoselectivity. The final products were controlled by the base applied.
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Affiliation(s)
- Youcan Zhang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China
| | - Zhi-Peng Bao
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China.,Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Jian-Xing Xu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China
| | - Xiao-Feng Wu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China.,Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
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59
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A diselenobis-functionalized magnetic catalyst based on iron oxide/silica nanoparticles suggested for amidation reactions. Sci Rep 2022; 12:14865. [PMID: 36050366 PMCID: PMC9436994 DOI: 10.1038/s41598-022-19030-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 08/23/2022] [Indexed: 11/18/2022] Open
Abstract
In this study, a new heterogeneous magnetic catalytic system based on selenium-functionalized iron oxide nanoparticles is presented and suggested for facilitating amide/peptide bonds formation. The prepared nanocatalyst, entitled as “Fe3O4/SiO2-DSBA” (DSBA stands for 2,2′-diselanediylbis benzamide), has been precisely characterized for identifying its physicochemical properties. As the most brilliant point, the catalytic performance of the designed system can be mentioned, where only a small amount of Fe3O4/SiO2-DSBA (0.25 mol%) has resulted in 89% reaction yield, under a mild condition. Also, given high importance of green chemistry, convenient catalyst particles separation from the reaction medium through its paramagnetic property (ca. 30 emu·g−1) should be noticed. This particular property provided a substantial opportunity to recover the catalyst particles and successfully reuse them for at least three successive times. Moreover, due to showing other excellences, such as economic benefits and nontoxicity, the presented catalytic system is recommended to be scaled up and exploited in the industrial applications.
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60
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Gudun KA, Tussupbayev S, Slamova A, Khalimon AY. Hydroboration of isocyanates: cobalt-catalyzed vs. catalyst-free approaches. Org Biomol Chem 2022; 20:6821-6830. [PMID: 35968649 DOI: 10.1039/d2ob01192a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydroboration of isocyanates with HBPin was demonstrated using both catalytic and catalyst-free approaches. In arene solvents, the reactions employed the commercially available and bench-stable Co(acac)2/dpephos (dpephos = bis[(2-diphenylphosphino)phenyl] ether) pre-catalyst and proved chemodivergent, showing the formation of either formamides or N-methylamines, depending on the concentration of HBPin and the reaction conditions used. Catalytic monohydroboration of isocyanates to formamides was found to be highly chemoselective, tolerating alkenes, alkynes, aryl halides, esters, carboxamides, nitriles, nitroarenes and heteroaromatic functionalities. The catalyst-free hydroboration reactions have been demonstrated in neat HBPin. Whereas monohydroboration proved less selective compared with Co(acac)2/dpephos-catalyzed transformations, selective deoxygenative hydroboration of isocyanates to N-methylamines was observed under catalyst-free conditions.
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Affiliation(s)
- Kristina A Gudun
- Department of Chemistry, School of Sciences and Humanities, Nazarbayev University, 53 Kabanbay Batyr. Avenue, Nur-Sultan 010000, Kazakhstan.
| | - Samat Tussupbayev
- Institute of Polymer Materials and Technologies, 3/1 Atyrau 1, Almaty 050019, Kazakhstan
| | - Ainur Slamova
- Core Facilities, Office of the Provost, Nazarbayev University, 53 Kabanbay Batyr. Avenue, Nur-Sultan 010000, Kazakhstan
| | - Andrey Y Khalimon
- Department of Chemistry, School of Sciences and Humanities, Nazarbayev University, 53 Kabanbay Batyr. Avenue, Nur-Sultan 010000, Kazakhstan. .,The Environment and Resource Efficiency Cluster (EREC), Nazarbayev University, 53 Kabanbay Batyr. Avenue, Nur-Sultan 010000, Kazakhstan
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61
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Jaiswal A, Preeti, Singh KN. A convenient synthesis of N-(hetero)arylamides by the oxidative coupling of methylheteroarenes with amines. Org Biomol Chem 2022; 20:6915-6922. [PMID: 35979753 DOI: 10.1039/d2ob01106a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An oxidative amidation of 2-methylpyridines/2-methylbenzimidazole with amines using copper acetate and elemental sulfur in DMSO to afford various N-(hetero)arylamides has been accomplished. Mechanistic studies reveal the intermediacy of N-(pyridin-2-ylmethyl)aniline and confirm the role of DMSO as the oxygen source.
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Affiliation(s)
- Anjali Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India.
| | - Preeti
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India.
| | - Krishna Nand Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India.
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62
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Ismaeel N, Zhuo Z, Imran S, Yuan D, Yao Y. Synthesis and characterization of rare earth/lithium complexes stabilized by ethylenediamine-bridged bis(phenolate) ligands and their activity in catalyzing amidation reactions. Dalton Trans 2022; 51:13892-13901. [PMID: 36040382 DOI: 10.1039/d2dt02642b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rare earth/lithium complexes stabilized by ethylenediamine-bridged bis(phenolate) ligands have been synthesized and characterized. In addition to five rare earth/lithium amides isolated as major complexes, two other rare earth/lithium complexes bearing two phenolate ligands were also isolated. The activities of rare earth/lithium amides in catalyzing the amidation of aldehydes and amines were studied, which revealed that the yttrium/lithium complex was highly active for a wide range of substrates, generating 58 examples of amides in 42-99% yields under mild conditions (i.e., room temperature, 3-hour reaction time, additive-free). More importantly, this is the first example of rare earth-based catalysts capable of catalyzing the amidation of primary aliphatic amines.
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Affiliation(s)
- Nadia Ismaeel
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China.
| | - Zhixing Zhuo
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China.
| | - Sajid Imran
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China.
| | - Dan Yuan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China.
| | - Yingming Yao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China.
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63
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Raza Shah A, Rasool N, Bılal M, Mubarık A, Alı Hashmı M, Nadeem Akhtar M, Imran M, Ahmad G, Siddiqa A, Adnan Alı Shah S. Efficient Synthesis of 4‐Bromo‐
N
‐(1‐phenylethyl)benzamide, Arylation by Pd(0) Catalyst, Characterization and DFT Study. ChemistrySelect 2022. [DOI: 10.1002/slct.202200861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Alı Raza Shah
- Department of Chemistry Government College University Faisalabad 38000 Pakistan
| | - Nasır Rasool
- Department of Chemistry Government College University Faisalabad 38000 Pakistan
| | - Muhammad Bılal
- Department of Chemistry Government College University Faisalabad 38000 Pakistan
| | - Adeel Mubarık
- Department of Chemistry Government College University Faisalabad 38000 Pakistan
| | - Muhammad Alı Hashmı
- Department of Chemistry University of Education, Attock Campus Attock 43600 Pakistan
| | | | - Muhammad Imran
- Department of Chemistry, Faculty of Science King Khalid University P.O. Box 9004 Abha 61413 Saudi Arabia
- Research center for Advanced Materials Science (RCAMS) king Khalid University Abha 61514, P. O. Box 9004 Saudi Arabia
| | - Gulraız Ahmad
- Department of Chemistry Government College University Faisalabad 38000 Pakistan
| | - Ayesha Siddiqa
- Department of Chemistry Government College University Faisalabad 38000 Pakistan
| | - Syed Adnan Alı Shah
- Faculty of Pharmacy Universiti Teknologi MARA Cawangan Selangor Kampus Puncak Alam Bandar Puncak Alam 42300 Malaysia
- Atta-ur-Rahman Institute for Natural Products Discovery (AuRIns) Universiti Teknologi MARA Cawangan Selangor Kampus Puncak Alam Bandar Puncak Alam 42300 Malaysia
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64
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Park K, Kim S, Jo Y, Park J, Kim I, Hwang S, Lee Y, Kim SY, Seo J. Lubricant skin on diverse biomaterials with complex shapes via polydopamine-mediated surface functionalization for biomedical applications. Bioact Mater 2022; 25:555-568. [PMID: 37056251 PMCID: PMC10088055 DOI: 10.1016/j.bioactmat.2022.07.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/08/2022] [Accepted: 07/17/2022] [Indexed: 12/28/2022] Open
Abstract
Implantable biomedical devices require an anti-biofouling, mechanically robust, low friction surface for a prolonged lifespan and improved performance. However, there exist no methods that could provide uniform and effective coatings for medical devices with complex shapes and materials to prevent immune-related side effects and thrombosis when they encounter biological tissues. Here, we report a lubricant skin (L-skin), a coating method based on the application of thin layers of bio-adhesive and lubricant-swellable perfluoropolymer that impart anti-biofouling, frictionless, robust, and heat-mediated self-healing properties. We demonstrate biocompatible, mechanically robust, and sterilization-safe L-skin in applications of bioprinting, microfluidics, catheter, and long and narrow medical tubing. We envision that diverse applications of L-skin improve device longevity, as well as anti-biofouling attributes in biomedical devices with complex shapes and material compositions.
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Affiliation(s)
- Kijun Park
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Seunghoi Kim
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technologies, Seoul, 02792, Republic of Korea
| | - Yejin Jo
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Jae Park
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Inwoo Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technologies, Seoul, 02792, Republic of Korea
| | - Sooyoung Hwang
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Yeontaek Lee
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - So Yeon Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technologies, Seoul, 02792, Republic of Korea
| | - Jungmok Seo
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
- Corresponding author.
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65
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An efficient and convenient method to prepare amides by the carbonylation of amines. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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66
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Abu-Yamin AA, Taher D, Korb M, Al Khalyfeh K, Ishtaiwi Z, Juwhari HK, Helal W, Amarne H, Mahmood S, Loloee R, YouSef YA, Ghazzy A, Lang H. Synthesis, chemical and physical properties of lanthanide(III) (Nd, Gd, Tb) complexes derived from (E)-ethyl 4-(2-hydroxybenzylideneamino)benzoate. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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67
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Matsuo BT, Oliveira PHR, Pissinati EF, Vega KB, de Jesus IS, Correia JTM, Paixao M. Photoinduced carbamoylation reactions: unlocking new reactivities towards amide synthesis. Chem Commun (Camb) 2022; 58:8322-8339. [PMID: 35843219 DOI: 10.1039/d2cc02585j] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The preparation of amide-containing compounds is among the most interesting and challenging topics for the synthetic community. Such relevance is given by their reactive aspects explored in the context of organic synthesis and by the direct application of these compounds as pharmaceuticals and useful materials, and their key roles in biological structures. A simple and straightforward strategy for the amide moiety installation is the use of carbamoyl radicals - this nucleophilic one-electron intermediate is prone to undergo a series of transformations, providing a range of structurally relevant derivatives. In this review, we summarize the latest advances in the field from the perspective of photoinduced protocols. To this end, their synthetic applications are organized accordingly to the nature of the radical precursor (formamides through HAT, 4-substituted-1,4-dihydropyridines, oxamic acids, and N-hydroxyphthalimido esters), the mechanistic aspects also being highlighted. The discussion also includes a recent approach proceeding via photolytic C-S cleavage of dithiocarbamate-carbamoyl intermediates. By exploring fundamental concepts, this material aims to offer an understanding of the topic, which will encourage and facilitate the design of new synthetic strategies applying the carbamoyl radical.
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Affiliation(s)
- Bianca T Matsuo
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, 13565-905, Brazil. .,Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104-6323, USA
| | - Pedro H R Oliveira
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, 13565-905, Brazil.
| | - Emanuele F Pissinati
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, 13565-905, Brazil.
| | - Kimberly B Vega
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, 13565-905, Brazil.
| | - Iva S de Jesus
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, 13565-905, Brazil.
| | - Jose Tiago M Correia
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, 13565-905, Brazil.
| | - Márcio Paixao
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, 13565-905, Brazil.
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68
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Guo W, Liu Z, Wu F, Luo Y, Yao Z. [NN]‐Chelate nickel complexes with Schiff base ligands: Synthesis, structure and catalytic activity in green amidation reaction. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Wen Guo
- School of Chemical and Environmental Engineering Shanghai Institute of Technology Shanghai China
| | - Zhen‐Jiang Liu
- School of Chemical and Environmental Engineering Shanghai Institute of Technology Shanghai China
| | - Fanhong Wu
- School of Chemical and Environmental Engineering Shanghai Institute of Technology Shanghai China
| | - Yu‐Zhou Luo
- Business School Guilin University of Technology Guilin China
| | - Zi‐Jian Yao
- School of Chemical and Environmental Engineering Shanghai Institute of Technology Shanghai China
- Key Lab of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences Shanghai China
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69
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Sathyendran S, Senadi GC. An Umpolung Route to Amides from α‐Aminonitriles under Metal‐Free Conditions. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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70
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Xiong N, Dong Y, Xu B, Li Y, Zeng R. Mild Amide Synthesis Using Nitrobenzene under Neutral Conditions. Org Lett 2022; 24:4766-4771. [PMID: 35758649 DOI: 10.1021/acs.orglett.2c01743] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Amide synthesis is one of the most important transformations in organic chemistry due to the broad application in pharmaceutical drugs and organic materials. In this report, we describe a mild protocol for amide formation using the readily available nitroarenes as nitrogen sources and an inexpensive iron complex as a catalyst. Because of the use of the pH-neutral conditions and the avoidance of the strong oxidant or reductant, a wide range of aromatic and aliphatic aldehydes as well as nitroarenes with various functional groups could be tolerated well. A plausible mechanism is proposed based on the detailed studies, in which iron catalyst initiates the radical process and the solvent plays a key role as O-atom acceptor.
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Affiliation(s)
- Ni Xiong
- School of Chemistry, Xi'an Jiaotong University, Xi'an 710049, P. R. China
| | - Yuanqi Dong
- School of Chemistry, Xi'an Jiaotong University, Xi'an 710049, P. R. China
| | - Bin Xu
- School of Chemistry, Xi'an Jiaotong University, Xi'an 710049, P. R. China
| | - Yang Li
- School of Chemistry, Xi'an Jiaotong University, Xi'an 710049, P. R. China
| | - Rong Zeng
- School of Chemistry, Xi'an Jiaotong University, Xi'an 710049, P. R. China.,Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China
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71
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N,N-Diethyl-3-methylbenzamide. MOLBANK 2022. [DOI: 10.3390/m1395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The development of new techniques for the preparation of organic compounds is important, with catalytic processes being key to this innovation. The development of copper-based metal-organic frameworks to promote oxidative couplings has allowed the synthesis of amides in a very effective manner. This methodology has been successfully applied to the unique preparation of the bioactive compound N,N-diethyl-3-methylbenzamide, with excellent performance (>99% conversion and 95% yield of pure isolated product) on a preparative scale. The described procedure can be classified as an excellent synthesis (EcoScale) considering environmental and economic factors based on different “green metrics” (atom economy, reaction mass efficiency, materials recovery factor, stoichiometric factor, E-factor).
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72
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Magano J. Large-Scale Amidations in Process Chemistry: Practical Considerations for Reagent Selection and Reaction Execution. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00005] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Javier Magano
- Chemical Research & Development, Pfizer Worldwide Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
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73
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de Oliveira FR, da Silva NM, Hamoy M, Crespo-López ME, Ferreira IM, da Silva EO, de Matos Macchi B, do Nascimento JLM. The GABAergic System and Endocannabinoids in Epilepsy and Seizures: What Can We Expect from Plant Oils? Molecules 2022; 27:molecules27113595. [PMID: 35684543 PMCID: PMC9182121 DOI: 10.3390/molecules27113595] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/27/2022] [Accepted: 05/30/2022] [Indexed: 02/01/2023] Open
Abstract
Seizures and epilepsy are some of the most common serious neurological disorders, with approximately 80% of patients living in developing/underdeveloped countries. However, about one in three patients do not respond to currently available pharmacological treatments, indicating the need for research into new anticonvulsant drugs (ACDs). The GABAergic system is the main inhibitory system of the brain and has a central role in seizures and the screening of new ACD candidates. It has been demonstrated that the action of agents on endocannabinoid receptors modulates the balance between excitatory and inhibitory neurotransmitters; however, studies on the anticonvulsant properties of endocannabinoids from plant oils are relatively scarce. The Amazon region is an important source of plant oils that can be used for the synthesis of new fatty acid amides, which are compounds analogous to endocannabinoids. The synthesis of such compounds represents an important approach for the development of new anticonvulsant therapies.
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Affiliation(s)
- Fábio Rodrigues de Oliveira
- Programa de Pós-Graduação em Neurociências e Biologia Celular, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil; (F.R.d.O.); (N.M.d.S.); (E.O.d.S.)
- Laboratório de Controle de Qualidade e Bromatologia, Curso de Farmácia, Departamento de Ciências Biológicas e da Saúde, Universidade Federal do Amapá, Macapá 68902-280, Brazil
| | - Nágila Monteiro da Silva
- Programa de Pós-Graduação em Neurociências e Biologia Celular, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil; (F.R.d.O.); (N.M.d.S.); (E.O.d.S.)
- Laboratório de Neuroquímica Molecular e Celular, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil;
| | - Moisés Hamoy
- Laboratório de Farmacologia e Toxicologia de Produtos Naturais, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil;
- Programa de Pós-Graduação em Farmacologia e Bioquímica, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil;
| | - Maria Elena Crespo-López
- Programa de Pós-Graduação em Farmacologia e Bioquímica, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil;
- Laboratório de Farmacologia Molecular, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil
| | - Irlon Maciel Ferreira
- Programa de Pós-Graduação em Ciências Farmacêuticas, Departamento de Ciências Biológicas e da Saúde, Universidade Federal do Amapá, Macapá 68902-280, Brazil;
- Laboratório de Biocatálise e Síntese Orgânica Aplicada, Departamento de Ciências Exatas e Tecnológicas, Universidade Federal do Amapá, Macapá 68902-280, Brazil
| | - Edilene Oliveira da Silva
- Programa de Pós-Graduação em Neurociências e Biologia Celular, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil; (F.R.d.O.); (N.M.d.S.); (E.O.d.S.)
- Laboratorio de Biologia Estrutural, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem (INCT-INBEB), Rio de Janeiro 21941-590, Brazil
| | - Barbarella de Matos Macchi
- Laboratório de Neuroquímica Molecular e Celular, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil;
- Programa de Pós-Graduação em Farmacologia e Bioquímica, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil;
| | - José Luiz Martins do Nascimento
- Programa de Pós-Graduação em Neurociências e Biologia Celular, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil; (F.R.d.O.); (N.M.d.S.); (E.O.d.S.)
- Laboratório de Neuroquímica Molecular e Celular, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil;
- Programa de Pós-Graduação em Farmacologia e Bioquímica, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Brazil;
- Programa de Pós-Graduação em Ciências Farmacêuticas, Departamento de Ciências Biológicas e da Saúde, Universidade Federal do Amapá, Macapá 68902-280, Brazil;
- Instituto Nacional de Ciência e Tecnologia em Neuroimunomodulação (INCT-NIM), Rio de Janeiro 21040-900, Brazil
- Correspondence:
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74
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Wang X, Dong ZB. A Recent Progress for the Synthesis of Thioester Compounds. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xi Wang
- Wuhan Institute of Technology School of Chemistry and Environmental Engineering 430205 Wuhan CHINA
| | - Zhi-Bing Dong
- Wuhan Institute of Technology School of Chemistry and Environmental Engeering Liufang Campus, No. 206, Guanggu 1st Road 430205 Wuhan CHINA
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75
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Abánades Lázaro I, Forgan RS, Cirujano FG. MOF nanoparticles as heterogeneous catalysts for direct amide bond formations. Dalton Trans 2022; 51:8368-8376. [PMID: 35583628 DOI: 10.1039/d2dt00369d] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The influence of composition and textural characteristics of a family of ultra-small isoreticular UiO-type metal-organic frameworks (MOFs) with different functionalized and extended linkers on their catalytic performance is evaluated. Two direct amide bond formations across four different substrates (benzylamine + phenylacetic acid and aniline + formic acid) are employed as proof-of-concept reactions to test the activity of the Zr-MOF nanoparticles. The reaction rates of amide bond formation are evaluated against physico-chemical properties such as crystallinity, porosity, particle size or linker functionality, alongside the Lewis acid and hydrophobic properties of the MOFs, in order to gain insights into the catalytic mechanism and optimal properties for its enhancement.
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Affiliation(s)
- Isabel Abánades Lázaro
- Instituto de Ciencia Molecular (ICMol), Universitat de Valencia, Catedrático José Beltrán Martínez n° 2, 46980 Paterna, Valencia, Spain.
| | - Ross S Forgan
- WestCHEM School of Chemistry, University of Glasgow, Joseph Black Building, University Avenue, Glasgow G12 8QQ, UK
| | - Francisco G Cirujano
- Instituto de Ciencia Molecular (ICMol), Universitat de Valencia, Catedrático José Beltrán Martínez n° 2, 46980 Paterna, Valencia, Spain.
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76
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Tandem silylation—desilylation reaction in the synthesis of N-methyl carboxamides. Russ Chem Bull 2022. [DOI: 10.1007/s11172-022-3473-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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77
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Arciszewski J, Auclair K. Mechanoenzymatic Reactions Involving Polymeric Substrates or Products. CHEMSUSCHEM 2022; 15:e202102084. [PMID: 35104019 DOI: 10.1002/cssc.202102084] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 01/31/2022] [Indexed: 06/14/2023]
Abstract
Mechanoenzymology is an emerging field in which mechanical mixing is used to sustain enzymatic reactions in low-solvent or solvent-free mixtures. Many enzymes have been reported that thrive under such conditions. Considering the central role of biopolymers and synthetic polymers in our society, this minireview highlights the use of mechanoenzymology for the synthesis or depolymerization of oligomeric or polymeric materials. In contrast to traditional in-solution reactions, solvent-free mechanoenzymology has the advantages of avoiding solubility issues, proceeding in a minimal volume, and reducing solvent waste while potentially improving the reaction efficiency and accessing new reactivity. It is expected that this strategy will continue to gain popularity and find more applications.
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Affiliation(s)
- Jane Arciszewski
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec, H3A 0B8, Canada
| | - Karine Auclair
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec, H3A 0B8, Canada
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78
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79
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Xu RR, Wen D, Qi X, Wu XF. Palladium-catalyzed cascade Heck-type cyclization and reductive aminocarbonylation for the synthesis of functionalized amides. Org Biomol Chem 2022; 20:2605-2608. [PMID: 35293928 DOI: 10.1039/d2ob00299j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A palladium-catalyzed Heck/carbonylative cyclization process has been explored for the synthesis of functionalized amides. By using nitroarenes as readily accessible nitrogen sources, a variety of amide products were obtained in moderate to excellent yields with good functional group compatibility. Furthermore, a late-stage modification of a natural molecule is also achieved by this protocol.
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Affiliation(s)
- Ren-Rui Xu
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, People's Republic of China.
| | - Dan Wen
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, People's Republic of China.
| | - Xinxin Qi
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, People's Republic of China.
| | - Xiao-Feng Wu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, Liaoning, China. .,Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, Rostock 18059, Germany.
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80
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Zhao Y, Du Z, Guo B, Shen X, Li S, Wang T, Liang C. Vanadium-catalyzed Oxidative Conversion of Primary Aromatic Alcohols into Amides and Nitriles with Molecular Oxygen. Chem Asian J 2022; 17:e202200224. [PMID: 35338755 DOI: 10.1002/asia.202200224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/24/2022] [Indexed: 11/10/2022]
Abstract
Amides or nitriles are important building blocks because of the widespread occurrence in chemistry and biology. The development of green and efficient catalytic approaches to introduce nitrogen functionality is highly desired. Herein a vanadium-based material V-N-C-700 was prepared via a simple and convenient method, and employed for liquid-phase catalytic ammoxidation of alcohols with molecular oxygen. By using V-N-C-700/2-picolinic acid, primary aromatic alcohols was smoothly converted into the amides and nitriles in the presence of urea. The corresponding aldehydes are the key intermediates, and 2-picolinic acid could significantly enhance oxidation of alcohols into aldehydes. The amides were formed simultaneously along with nitriles, rather than only from nitriles via successive hydration. This work further expands non-noble metal catalysts for the preparation of amides and nitriles.
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Affiliation(s)
- Yanbin Zhao
- Dalian University of Technology, School of Chemical Engineering, CHINA
| | - Zhongtian Du
- Dalian University of Technology, School of Chemical Engineering, 2 Dagong Road, Liaodongwan New District, 124221, Panjin, CHINA
| | - Bairui Guo
- Dalian University of Technology, School of Chemical Engineering, CHINA
| | - Xiaoyu Shen
- Dalian University of Technology, School of Chemical Engineering, CHINA
| | - Shaojie Li
- Dalian University of Technology, School of Chemical Engineering, CHINA
| | - Taoyu Wang
- Dalian University of Technology, School of Chemical Engineering, CHINA
| | - Changhai Liang
- Dalian University of Technology, School of Chemical Engineering, CHINA
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81
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Alfano AI, Lange H, Brindisi M. Amide Bonds Meet Flow Chemistry: A Journey into Methodologies and Sustainable Evolution. CHEMSUSCHEM 2022; 15:e202102708. [PMID: 35015338 PMCID: PMC9304223 DOI: 10.1002/cssc.202102708] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/11/2022] [Indexed: 06/03/2023]
Abstract
Formation of amide bonds is of immanent importance in organic and synthetic medicinal chemistry. Its presence in "traditional" small-molecule active pharmaceutical ingredients, in linear or cyclic oligo- and polypeptidic actives, including pseudopeptides, has led to the development of dedicated synthetic approaches for the formation of amide bonds starting from, if necessary, suitably protected amino acids. While the use of solid supported reagents is common in traditional peptide synthesis, similar approaches targeting amide bond formation in continuous-flow mode took off more significantly, after a first publication in 2006, only a couple of years ago. Most efforts rely upon the transition of traditional approaches in flow mode, or the combination of solid-phase peptide synthesis principles with flow chemistry, and advantages are mainly seen in improving space-time yields. This Review summarizes and compares the various approaches in terms of basic amide formation, peptide synthesis, and pseudopeptide generation, describing the technological approaches and the advantages that were generated by the specific flow approaches. A final discussion highlights potential future needs and perspectives in terms of greener and more sustainable syntheses.
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Affiliation(s)
- Antonella Ilenia Alfano
- SPOTS-Lab – Sustainable Pharmaceutical and Organic Technology and Synthesis LaboratoryUniversity of Naples ‘Federico II', Department of PharmacyVia Domenico Montesano 4980131NaplesItaly
| | - Heiko Lange
- University of Milano-Bicocca Department of Earth and Environmental SciencesPiazza della Scienza 120126MilanItaly
| | - Margherita Brindisi
- SPOTS-Lab – Sustainable Pharmaceutical and Organic Technology and Synthesis LaboratoryUniversity of Naples ‘Federico II', Department of PharmacyVia Domenico Montesano 4980131NaplesItaly
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82
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White AM, Palombi IR, Malins LR. Umpolung strategies for the functionalization of peptides and proteins. Chem Sci 2022; 13:2809-2823. [PMID: 35382479 PMCID: PMC8905898 DOI: 10.1039/d1sc06133j] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 01/04/2022] [Indexed: 01/02/2023] Open
Abstract
Umpolung strategies, defined as synthetic approaches which reverse commonly accepted reactivity patterns, are broadly recognized as enabling tools for small molecule synthesis and catalysis. However, methods which exploit this logic for peptide and protein functionalizations are comparatively rare, with the overwhelming majority of existing bioconjugation approaches relying on the well-established reactivity profiles of a handful of amino acids. This perspective serves to highlight a small but growing body of recent work that masterfully capitalizes on the concept of polarity reversal for the selective modification of proteinogenic functionalities. Current applications of umpolung chemistry in organic synthesis and chemical biology as well as the vast potential for further innovations in peptide and protein modification will be discussed.
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Affiliation(s)
- Andrew M White
- Research School of Chemistry, Australian National University Canberra ACT 2601 Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, Australian National University Canberra ACT 2601 Australia
| | - Isabella R Palombi
- Research School of Chemistry, Australian National University Canberra ACT 2601 Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, Australian National University Canberra ACT 2601 Australia
| | - Lara R Malins
- Research School of Chemistry, Australian National University Canberra ACT 2601 Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, Australian National University Canberra ACT 2601 Australia
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83
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Ramarao J, Yadav S, Satyam K, Suresh S. N-Heterocyclic carbene (NHC)-catalyzed oxidation of unactivated aldimines to amides via imine umpolung under aerobic conditions. RSC Adv 2022; 12:7621-7625. [PMID: 35424774 PMCID: PMC8982222 DOI: 10.1039/d2ra00897a] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 02/25/2022] [Indexed: 01/16/2023] Open
Abstract
Herein, we disclose an NHC-catalyzed aerobic oxidation of unactivated aldimines for the synthesis of amides via umpolung of imines proceeding through an aza-Breslow intermediate. We have developed an eco-friendly method for the conversion of imines to amides by using molecular oxygen in air as the sole oxidant and dimethyl carbonate (DMC) as a green solvent under mild reaction conditions. Broad substrate scope, high yields and gram scale syntheses expand the practicality of the developed method. A general NHC-catalyzed conversion of imines to amides proceeding through umpolung–oxidation under aerobic conditions in green solvent is reported.![]()
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Affiliation(s)
- Jakkula Ramarao
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500 007 India .,Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
| | - Sanjay Yadav
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500 007 India .,Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
| | - Killari Satyam
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500 007 India .,Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
| | - Surisetti Suresh
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500 007 India .,Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
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84
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Li Y, Li J, Bao G, Yu C, Liu Y, He Z, Wang P, Ma W, Xie J, Sun W, Wang R. NDTP Mediated Direct Rapid Amide and Peptide Synthesis without Epimerization. Org Lett 2022; 24:1169-1174. [PMID: 34994572 DOI: 10.1021/acs.orglett.1c04258] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Herein, we explored an unprecedented mild, nonirritating, conveniently available, and recyclable coupling reagent NDTP, which could activate the carboxylic acids via acyl thiocyanide and enable the rapid amide and peptide synthesis at very mild conditions. In addition, the methodology was compatible with Fmoc-SPPS, which may provide an alternative to peptide manufacturing.
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Affiliation(s)
- Yiping Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China
| | - Jingyue Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China
| | - Guangjun Bao
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China
| | - Changjun Yu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China
| | - Yuyang Liu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China
| | - Zeyuan He
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China
| | - Peng Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China
| | - Wen Ma
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China
| | - Junqiu Xie
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China
| | - Wangsheng Sun
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou 730000, Gansu, P. R. China.,Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing 100050, P. R. China
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85
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Kloprogge JT(T, Hartman H. Clays and the Origin of Life: The Experiments. Life (Basel) 2022; 12:259. [PMID: 35207546 PMCID: PMC8880559 DOI: 10.3390/life12020259] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/08/2022] [Accepted: 02/01/2022] [Indexed: 12/15/2022] Open
Abstract
There are three groups of scientists dominating the search for the origin of life: the organic chemists (the Soup), the molecular biologists (RNA world), and the inorganic chemists (metabolism and transient-state metal ions), all of which have experimental adjuncts. It is time for Clays and the Origin of Life to have its experimental adjunct. The clay data coming from Mars and carbonaceous chondrites have necessitated a review of the role that clays played in the origin of life on Earth. The data from Mars have suggested that Fe-clays such as nontronite, ferrous saponites, and several other clays were formed on early Mars when it had sufficient water. This raised the question of the possible role that these clays may have played in the origin of life on Mars. This has put clays front and center in the studies on the origin of life not only on Mars but also here on Earth. One of the major questions is: What was the catalytic role of Fe-clays in the origin and development of metabolism here on Earth? First, there is the recent finding of a chiral amino acid (isovaline) that formed on the surface of a clay mineral on several carbonaceous chondrites. This points to the formation of amino acids on the surface of clay minerals on carbonaceous chondrites from simpler molecules, e.g., CO2, NH3, and HCN. Additionally, there is the catalytic role of small organic molecules, such as dicarboxylic acids and amino acids found on carbonaceous chondrites, in the formation of Fe-clays themselves. Amino acids and nucleotides adsorb on clay surfaces on Earth and subsequently polymerize. All of these observations and more must be subjected to strict experimental analysis. This review provides an overview of what has happened and is now happening in the experimental clay world related to the origin of life. The emphasis is on smectite-group clay minerals, such as montmorillonite and nontronite.
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Affiliation(s)
- Jacob Teunis (Theo) Kloprogge
- School of Earth and Environmental Sciences, The University of Queensland, Brisbane, QLD 4072, Australia
- Department of Chemistry, College of Arts and Sciences, University of the Philippines Visayas, Miagao 5023, Philippines
| | - Hyman Hartman
- Department of Earth Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
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86
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Murtaza A, Qamar MA, Saleem K, Hardwick T, Zia Ul Haq, Shirinfar B, Ahmed N. Renewable Electricity Enables Green Routes to Fine Chemicals and Pharmaceuticals. CHEM REC 2022; 22:e202100296. [PMID: 35103382 DOI: 10.1002/tcr.202100296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 01/05/2022] [Accepted: 01/07/2022] [Indexed: 12/29/2022]
Abstract
Syntheses of chemicals using renewable electricity and when generating high atom economies are considered green and sustainable processes. In the present state of affairs, electrochemical manufacturing of fine chemicals and pharmaceuticals is not as common place as it could be and therefore, merits more attention. There is also a need to turn attention toward the electrochemical synthesis of valuable chemicals from recyclable greenhouse gases that can accelerate the process of circular economy. CO2 emissions are the major contributor to human-induced global warming. CO2 conversion into chemicals is a valuable application of its utilisation and will contribute to circular economy while maintaining environmental sustainability. Herein, we present an overview of electro-carboxylation, including mechanistic aspects, which forms carboxylic acids using molecular carbon dioxide. We also discuss atom economies of electrochemical fluorination, methoxylation and amide formation reactions.
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Affiliation(s)
- Ayesha Murtaza
- Department of Chemistry, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, 64200, Pakistan
| | - Muhammad Awais Qamar
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, Gansu, China
| | - Kaynat Saleem
- Department of Chemistry, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, 64200, Pakistan
| | - Tomas Hardwick
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, UK.,National Graphene Institute, University of Manchester, Oxford Road, Manchester, M13 9PL, UK.,Department of Materials, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Zia Ul Haq
- Chemical Engineering department, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, 64200, Pakistan
| | | | - Nisar Ahmed
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, UK
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87
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Huang Z, Tang J, Jiang X, Xie T, Zhang M, Lan D, Pi S, Tan Z, Yi B, Li Y. Iron-catalyzed hydroaminocarbonylation of alkynes: Selective and efficient synthesis of primary α,β-unsaturated amides. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.01.080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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88
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Kumar D, Maury SK, Kumari S, Kamal A, Singh HK, Singh S, Srivastava V. TBAI-catalyzed C–N bond formation through oxidative coupling of benzyl bromides with amines: a new avenue to the synthesis of amides. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2029897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Dhirendra Kumar
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, India
| | - Suresh Kumar Maury
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, India
| | - Savita Kumari
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, India
| | - Arsala Kamal
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, India
| | | | - Sundaram Singh
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, India
| | - Vandana Srivastava
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, India
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89
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Wang A, Xie Y, Wang J, Shi D, Yu H. Atom-economic amide synthesis by using an iron-substituted polyoxometalate catalyst. Chem Commun (Camb) 2022; 58:1127-1130. [PMID: 34981100 DOI: 10.1039/d1cc05417a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We report an efficient and economical amidation strategy by using a polyoxometalate-based iron catalyst that affords the corresponding amide products in good yields. All of the aliphatic, aromatic and heterocyclic substrates are produced in high yields without additional base or organic ligands. Most importantly, the first example of heterogeneous iron(III)-catalyzed formation of the diamides is developed.
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Affiliation(s)
- Aiping Wang
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, P. R. China.
| | - Ya Xie
- School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, P. R. China
| | - Jingjing Wang
- Laboratoire d' Electrochimie et de Chimie Physique du Corps Solide, Institut de Chimie, UMR CNRS 7177, Université de Strasbourg, 67081 Strasbourg cedex, France
| | - Da Shi
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, P. R. China.
| | - Han Yu
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, P. R. China. .,Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
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90
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Bilska‐Markowska M, Patyk‐Kaźmierczak E, Lusina A. Synthesis of Fluorinated Amides Starting from Carbohydrates Based on the Claisen Rearrangement. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Monika Bilska‐Markowska
- Faculty of Chemistry Adam Mickiewicz University in Poznań Uniwersytetu Poznańskiego 8 61-614 Poznań Poland
| | - Ewa Patyk‐Kaźmierczak
- Faculty of Chemistry Adam Mickiewicz University in Poznań Uniwersytetu Poznańskiego 8 61-614 Poznań Poland
| | - Aleksandra Lusina
- Faculty of Chemistry Adam Mickiewicz University in Poznań Uniwersytetu Poznańskiego 8 61-614 Poznań Poland
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91
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Lu B, Xiao WJ, Chen JR. Recent Advances in Visible-Light-Mediated Amide Synthesis. Molecules 2022; 27:517. [PMID: 35056829 PMCID: PMC8781888 DOI: 10.3390/molecules27020517] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 12/10/2022] Open
Abstract
Visible-light photoredox catalysis has attracted tremendous interest within the synthetic community. As such, the activation mode potentially provides a more sustainable and efficient platform for the activation of organic molecules, enabling the invention of many controlled radical-involved reactions under mild conditions. In this context, amide synthesis via the strategy of photoredox catalysis has received growing interest due to the ubiquitous presence of this structural motif in numerous natural products, pharmaceuticals and functionalized materials. Employing this strategy, a wide variety of amides can be prepared effectively from halides, arenes and even alkanes under irradiation of visible light. These methods provide a robust alternative to well-established strategies for amide synthesis that involve condensation between a carboxylic acid and amine mediated by a stoichiometric activating agent. In this review, the representative progresses made on the synthesis of amides through visible light-mediated radical reactions are summarized.
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Affiliation(s)
- Bin Lu
- Key Laboratory of Pesticides and Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China; (B.L.); (W.-J.X.)
| | - Wen-Jing Xiao
- Key Laboratory of Pesticides and Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China; (B.L.); (W.-J.X.)
| | - Jia-Rong Chen
- Key Laboratory of Pesticides and Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China; (B.L.); (W.-J.X.)
- School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang 453007, China
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92
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Lian P, Li R, Wan X, Xiang Z, Liu H, Cao Z, Wan X. Acetylation of alcohols and amines under visible light irradiation: diacetyl as an acylation reagent and photosensitizer. Org Chem Front 2022. [DOI: 10.1039/d1qo01613j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
An unprecedented strategy for the acetylation of alcohols and amines using diacetyl as both an acylation reagent and a photosensitizer was well developed.
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Affiliation(s)
- Pengcheng Lian
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Ruyi Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiao Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zixin Xiang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Hang Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zhiyu Cao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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93
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Opačak S, Perić B, Gojšić T, Čikoš A, Vikić-Topić D, Kirin SI. Tandem amide coupling and hydroamination: unexpected benzotriazole oxide addition to the propiolic acid triple bond. NEW J CHEM 2022. [DOI: 10.1039/d2nj02587f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An unexpected tandem reaction consisting of amide coupling and hydroamination occurring with common triazole coupling reagents.
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Affiliation(s)
- Saša Opačak
- Ruđer Bošković Institute, Bijenička cesta 54, HR-10000 Zagreb, Croatia
| | - Berislav Perić
- Ruđer Bošković Institute, Bijenička cesta 54, HR-10000 Zagreb, Croatia
| | - Tomislav Gojšić
- Ruđer Bošković Institute, Bijenička cesta 54, HR-10000 Zagreb, Croatia
| | - Ana Čikoš
- Ruđer Bošković Institute, Bijenička cesta 54, HR-10000 Zagreb, Croatia
| | - Dražen Vikić-Topić
- Ruđer Bošković Institute, Bijenička cesta 54, HR-10000 Zagreb, Croatia
- Department of Natural and Health Studies, Juraj Dobrila University of Pula, Zagrebačka 30, HR-52100 Pula, Croatia
| | - Srećko I. Kirin
- Ruđer Bošković Institute, Bijenička cesta 54, HR-10000 Zagreb, Croatia
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94
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Goncharova IK, Ulianova EA, Novikov RA, Volodin AD, Korlyukov AA, Arzumanyan AV. Siloxane-containing derivatives of benzoic acid: chemical transformation of the carboxyl group. NEW J CHEM 2022. [DOI: 10.1039/d2nj03872b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This research presents a scalable method for chemical transformation of Si-containing derivatives of benzoic acid to a wide range of corresponding esters, thioesters, amides, etc. Some of them form HOF-like structures in the crystalline state.
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Affiliation(s)
- Irina K. Goncharova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St., Moscow 119991, Russian Federation
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
| | - Eva A. Ulianova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St., Moscow 119991, Russian Federation
- HZ University of Applied Sciences, 4382 NW Middelburg, The Netherlands
| | - Roman A. Novikov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russian Federation
| | - Alexander D. Volodin
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St., Moscow 119991, Russian Federation
| | - Alexander A. Korlyukov
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St., Moscow 119991, Russian Federation
| | - Ashot V. Arzumanyan
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St., Moscow 119991, Russian Federation
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
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95
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Yan Z, Liu F, Wang X, Qiang Q, Li Y, Zhang Y, Rong Z. Redox-Neutral Dehydrogenative Cross-Coupling of Alcohols and Amines Enabled by Nickel Catalysis. Org Chem Front 2022. [DOI: 10.1039/d2qo00004k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Presented herein is a facile and straightforward synthetic method for the construction of amides via Ni/NHC-catalyzed amidation of alcohols with amines. The strategy exhibits various advantages over existing methods, including...
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96
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Zhang Y, de Azambuja F, Parac-Vogt TN. Zirconium oxo clusters as discrete molecular catalysts for the direct amide bond formation. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00421f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A discrete dodecanuclear Zr oxo cluster catalyzed the direct formation of amide bonds without the need of water scavenging or dry reactions conditions showcasing the potential of these molecular clusters to become a new class of efficient catalysts.
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Affiliation(s)
- Yujie Zhang
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
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97
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Camargo-Ayala L, Prent-Peñaloza L, Polo-Cuadrado E, Brito I, Cisterna J, Osorio E, González W, Gutiérrez M. Synthesis, characterization, crystal and molecular structure and theoretical study of N-(naphthalen-1-yl)-2-(piperidin-1-yl) acetamide, a selective butyrylcholinesterase inhibitor. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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98
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Enantioselective Enzymatic Synthesis of (
R
)‐Phenyl Alkyl Esters and Their Analogue Amides using Fatty Acids as Green Acyl Donors. ChemistrySelect 2021. [DOI: 10.1002/slct.202103831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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99
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Chitosan-based hydrogel crosslinked through an aza-Michael addition catalyzed by boric acid. Int J Biol Macromol 2021; 193:1032-1042. [PMID: 34800516 DOI: 10.1016/j.ijbiomac.2021.11.075] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/13/2021] [Accepted: 11/12/2021] [Indexed: 02/05/2023]
Abstract
Polysaccharide-based hydrogels are particularly attractive materials for biomedical applications. However, their use is restricted due to their brittleness and poor mechanical properties. Here, to overcome such limitations, we report an original, green, simple, and efficient strategy to synthesize a polysaccharide-based hydrogel of chitosan (Cht) and a vinyl-functionalized PVA (PVA-MA), a non-toxic synthetic polymer that is widely known to improve the mechanical properties and stability of materials containing polysaccharides. The hydrogel was crosslinked through an aza-Michael addition among the amino groups of Cht with the vinyl moieties of PVA-MA catalyzed by boric acid (B(OH)3), an eco-friendly inorganic compound. Characterization analyses revealed that the prepared hydrogel has a porous-like morphology, an outstanding liquid uptake capacity (>665%), and improved stability in a physiological fluid for long periods. In summary, this original and simple strategy showed to be efficient in the synthesis of hydrogels with attractive properties for the biomedical field application.
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100
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Kar S, Sanderson H, Roy K, Benfenati E, Leszczynski J. Green Chemistry in the Synthesis of Pharmaceuticals. Chem Rev 2021; 122:3637-3710. [PMID: 34910451 DOI: 10.1021/acs.chemrev.1c00631] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The principles of green chemistry (GC) can be comprehensively implemented in green synthesis of pharmaceuticals by choosing no solvents or green solvents (preferably water), alternative reaction media, and consideration of one-pot synthesis, multicomponent reactions (MCRs), continuous processing, and process intensification approaches for atom economy and final waste reduction. The GC's execution in green synthesis can be performed using a holistic design of the active pharmaceutical ingredient's (API) life cycle, minimizing hazards and pollution, and capitalizing the resource efficiency in the synthesis technique. Thus, the presented review accounts for the comprehensive exploration of GC's principles and metrics, an appropriate implication of those ideas in each step of the reaction schemes, from raw material to an intermediate to the final product's synthesis, and the final execution of the synthesis into scalable industry-based production. For real-life examples, we have discussed the synthesis of a series of established generic pharmaceuticals, starting with the raw materials, and the intermediates of the corresponding pharmaceuticals. Researchers and industries have thoughtfully instigated a green synthesis process to control the atom economy and waste reduction to protect the environment. We have extensively discussed significant reactions relevant for green synthesis, one-pot cascade synthesis, MCRs, continuous processing, and process intensification, which may contribute to the future of green and sustainable synthesis of APIs.
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Affiliation(s)
- Supratik Kar
- Interdisciplinary Center for Nanotoxicity, Department of Chemistry, Physics and Atmospheric Sciences, Jackson State University, Jackson, Mississippi 39217, United States
| | - Hans Sanderson
- Department of Environmental Science, Section for Toxicology and Chemistry, Aarhus University, Frederiksborgvej 399, DK-4000 Roskilde, Denmark
| | - Kunal Roy
- Drug Theoretics and Cheminformatics Laboratory, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India.,Department of Environmental Health Sciences, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 19, 20156 Milano, Italy
| | - Emilio Benfenati
- Department of Environmental Health Sciences, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 19, 20156 Milano, Italy
| | - Jerzy Leszczynski
- Interdisciplinary Center for Nanotoxicity, Department of Chemistry, Physics and Atmospheric Sciences, Jackson State University, Jackson, Mississippi 39217, United States
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