1
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Yamada K, Cheung KPS, Gevorgyan V. General Regio- and Diastereoselective Allylic C-H Oxygenation of Internal Alkenes. J Am Chem Soc 2024; 146:18218-18223. [PMID: 38922638 DOI: 10.1021/jacs.4c06421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
Branched allylic esters and carboxylates are fundamental motifs prevalent in natural products and drug molecules. The direct allylic C-H oxygenation of internal alkenes represents one of the most straightforward approaches, bypassing the requirement for an allylic leaving group as in the classical Tsuji-Trost reaction. However, current methods suffer from limited scope─often accompanied by selectivity issues─thus hampering further development. Herein we report a photocatalytic platform as a general solution to these problems, enabling the coupling of diverse internal alkenes with carboxylic acids, alcohols, and other O-nucleophiles, typically in a highly regio- and diastereoselective manner.
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Affiliation(s)
- Kyohei Yamada
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Road, Richardson, Texas 75080-3021, United States
| | - Kelvin Pak Shing Cheung
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Road, Richardson, Texas 75080-3021, United States
| | - Vladimir Gevorgyan
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Road, Richardson, Texas 75080-3021, United States
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2
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Ohno S, Asahara H, Inoue T, Ohkubo K. One-pot chlorocarboxylation of toluenes with chlorine dioxide under photoirradiation. RSC Adv 2022; 12:31412-31414. [DOI: 10.1039/d2ra06591f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 10/21/2022] [Indexed: 11/07/2022] Open
Abstract
Chlorine dioxide radical (ClO2˙) under photoirradiation induces the chlorocarboxylation of toluene in a single step to produce 2- and 4-chlorobenzoic acids.
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Affiliation(s)
- Shohei Ohno
- Graduate School of Pharmaceutical Sciences, Osaka University, Yamada-oka 1-6, Suita, Osaka, 565-0871, Japan
| | - Haruyasu Asahara
- Graduate School of Pharmaceutical Sciences, Osaka University, Yamada-oka 1-6, Suita, Osaka, 565-0871, Japan
- Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Yamada-oka 1-6, Suita, Osaka, 565-0871, Japan
| | - Tsuyoshi Inoue
- Graduate School of Pharmaceutical Sciences, Osaka University, Yamada-oka 1-6, Suita, Osaka, 565-0871, Japan
- Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Yamada-oka 1-6, Suita, Osaka, 565-0871, Japan
| | - Kei Ohkubo
- Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Yamada-oka 1-6, Suita, Osaka, 565-0871, Japan
- Institute for Advanced Co-Creation Studies, Osaka University, Yamada-oka 1-6, Suita, Osaka, 565-0871, Japan
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3
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Velasco-Rubio Á, Varela JA, Saá C. Pd-Catalyzed allylic C-H activation to seven-membered N, O-heterocycles. Chem Commun (Camb) 2021; 57:10915-10918. [PMID: 34590628 DOI: 10.1039/d1cc04056a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Pd-catalyzed allylic C-H activation of simple olefins allows an easy entry to seven-membered N,O-heterocycles such as 1,4-benzoxazepines (1,4-BZOs), 1,4-benzodiazepinones (1,4-BZDs) and 1,4-oxazepanes in good to excellent yields. Straightforward derivatization of the olefinated 1,4-BZO shows the synthetic utility of this methodology.
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Affiliation(s)
- Álvaro Velasco-Rubio
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Jesús A Varela
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Carlos Saá
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
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4
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Dethe DH, Beeralingappa NC, Kumar V. Weakly Coordinating, Hydroxyl Directed Ruthenium Catalyzed C-H Alkylation of Ubiquitous Benzyl Alcohols with Maleimides. Org Lett 2021; 23:6267-6271. [PMID: 34355912 DOI: 10.1021/acs.orglett.1c02040] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Benzyl alcohols have been employed as effective coupling partners in Ru-catalyzed C-H functionalization reactions, and their annulation with maleimides then offers efficient synthesis of useful ortho substituted succinimide aromatic aldehydes and ketones. Detailed mechanistic studies have been demonstrated by performing preliminary reactions, deuterium studies, and competitive experiments.
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Affiliation(s)
- Dattatraya H Dethe
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | | | - Vimlesh Kumar
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
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5
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Transition metal Schiff base complexes supported on layered double hydroxide: synthesis, characterization and catalytic activity for the oxidation of toluene. REACTION KINETICS MECHANISMS AND CATALYSIS 2021. [DOI: 10.1007/s11144-021-01940-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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6
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Strategic evolution in transition metal-catalyzed directed C–H bond activation and future directions. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213683] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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7
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Deak N, Thillaye du Boullay O, Mallet‐Ladeira S, Moraru I, Madec D, Nemes G. Synthesis and Characterization of a Novel Bis‐Sulfoxide and Its Evaluation as a Ligand in p‐Block Chemistry. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Noémi Deak
- Laboratoire Hétérochimie Fondamentale et Appliquée (UMR 5069) Université de Toulouse, CNRS 118 Route de Narbonne 31062 Toulouse France
- Facultatea de Chimie si Inginerie Chimica Universitatea Babes‐Bolyai str. Arany Janos, nr. 11 400028 Cluj‐Napoca Romania
| | - Olivier Thillaye du Boullay
- Laboratoire Hétérochimie Fondamentale et Appliquée (UMR 5069) Université de Toulouse, CNRS 118 Route de Narbonne 31062 Toulouse France
| | - Sonia Mallet‐Ladeira
- Institut de Chimie de Toulouse, FR2599 Université Paul Sabatier, UPS 118 Route de Narbonne 31062 Toulouse France
| | - Ionuţ‐Tudor Moraru
- Facultatea de Chimie si Inginerie Chimica Universitatea Babes‐Bolyai str. Arany Janos, nr. 11 400028 Cluj‐Napoca Romania
| | - David Madec
- Laboratoire Hétérochimie Fondamentale et Appliquée (UMR 5069) Université de Toulouse, CNRS 118 Route de Narbonne 31062 Toulouse France
| | - Gabriela Nemes
- Facultatea de Chimie si Inginerie Chimica Universitatea Babes‐Bolyai str. Arany Janos, nr. 11 400028 Cluj‐Napoca Romania
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8
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Li C, Pei XQ, Yi D, Li TB, Wu ZL. Bioreductive dynamic kinetic resolution of ethyl 2-methoxy-3-oxo-3-phenylpropanoate. CATAL COMMUN 2020. [DOI: 10.1016/j.catcom.2019.105865] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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9
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Fernandes RA. The Potential of β-Hydroxy-γ-vinyl-γ-lactone in the Synthesis of Natural Products and Beyond. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901665] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Rodney A. Fernandes
- Department of Chemistry; Indian Institute of Technology Bombay; Powai 400076 Mumbai Maharashtra India
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10
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Ren W, Jin M, Zuo QM, Yang SD. Allylation of β-amino phosphonic acid precursor via palladium-NHC catalyzed allylic C–H activation. Org Chem Front 2020. [DOI: 10.1039/c9qo01089k] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A Pd(ii)/N-heterocyclic carbene (NHC) catalyzed allylic C–H alkylation of allylbenzene with α-cyano-phosphate ester has been achieved under mild reaction conditions with the highest regioselectivity and stereoselectivity.
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Affiliation(s)
- Wei Ren
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Ming Jin
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Qian-Ming Zuo
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Shang-Dong Yang
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
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11
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Luo G, Liu Y, Ding N, Li X, Zhao Z. Metal-Free C-H Functionalization of Allenamides: An Access to Branched Allylic Esters. ACS OMEGA 2019; 4:15312-15322. [PMID: 31552378 PMCID: PMC6751998 DOI: 10.1021/acsomega.9b02712] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 08/29/2019] [Indexed: 06/10/2023]
Abstract
A regioselective acyloxylation with carboxylic acids at the proximal carbon of allenamides by an N-iodosuccinimide-mediated C-H functionalization is reported. The reaction proceeds rapidly, is scalable to a gram scale, and displays a broad substrate scope, providing an efficient and practical protocol for the synthesis of branched allylic esters. Notably, protected amino acids were tolerated under the reaction conditions and afforded allylic amino acid esters in moderate yields.
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12
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Szpera R, Moseley DFJ, Smith LB, Sterling AJ, Gouverneur V. Fluorierung von C‐H‐Bindungen: Entwicklungen und Perspektiven. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814457] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Robert Szpera
- Chemistry Research Laboratory Oxford University 12 Mansfield Road Oxford OX1 3TA Großbritannien
| | - Daniel F. J. Moseley
- Chemistry Research Laboratory Oxford University 12 Mansfield Road Oxford OX1 3TA Großbritannien
| | - Lewis B. Smith
- Chemistry Research Laboratory Oxford University 12 Mansfield Road Oxford OX1 3TA Großbritannien
| | - Alistair J. Sterling
- Chemistry Research Laboratory Oxford University 12 Mansfield Road Oxford OX1 3TA Großbritannien
| | - Véronique Gouverneur
- Chemistry Research Laboratory Oxford University 12 Mansfield Road Oxford OX1 3TA Großbritannien
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13
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Szpera R, Moseley DFJ, Smith LB, Sterling AJ, Gouverneur V. The Fluorination of C-H Bonds: Developments and Perspectives. Angew Chem Int Ed Engl 2019; 58:14824-14848. [PMID: 30759327 DOI: 10.1002/anie.201814457] [Citation(s) in RCA: 246] [Impact Index Per Article: 49.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Indexed: 12/16/2022]
Abstract
This Review summarizes advances in fluorination by C(sp2 )-H and C(sp3 )-H activation. Transition-metal-catalyzed approaches championed by palladium have allowed the installation of a fluorine substituent at C(sp2 ) and C(sp3 ) sites, exploiting the reactivity of high-oxidation-state transition-metal fluoride complexes combined with the use of directing groups (some transient) to control site and stereoselectivity. The large majority of known methods employ electrophilic fluorination reagents, but methods combining a nucleophilic fluoride source with an oxidant have appeared. External ligands have proven to be effective for C(sp3 )-H fluorination directed by weakly coordinating auxiliaries, thereby enabling control over reactivity. Methods relying on the formation of radical intermediates are complementary to transition-metal-catalyzed processes as they allow for undirected C(sp3 )-H fluorination. To date, radical C-H fluorinations mainly employ electrophilic N-F fluorination reagents but a unique MnIII -catalyzed oxidative C-H fluorination using fluoride has been developed. Overall, the field of late-stage nucleophilic C-H fluorination has progressed much more slowly, a state of play explaining why C-H 18 F-fluorination is still in its infancy.
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Affiliation(s)
- Robert Szpera
- Chemistry Research Laboratory, Oxford University, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Daniel F J Moseley
- Chemistry Research Laboratory, Oxford University, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Lewis B Smith
- Chemistry Research Laboratory, Oxford University, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Alistair J Sterling
- Chemistry Research Laboratory, Oxford University, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Véronique Gouverneur
- Chemistry Research Laboratory, Oxford University, 12 Mansfield Road, Oxford, OX1 3TA, UK
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14
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Jaworski JN, Kozack CV, Tereniak SJ, Knapp SMM, Landis CR, Miller JT, Stahl SS. Operando Spectroscopic and Kinetic Characterization of Aerobic Allylic C-H Acetoxylation Catalyzed by Pd(OAc) 2/4,5-Diazafluoren-9-one. J Am Chem Soc 2019; 141:10462-10474. [PMID: 31184479 DOI: 10.1021/jacs.9b04699] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Allylic C-H acetoxylations are among the most widely studied palladium(II)-catalyzed C-H oxidation reactions. While the principal reaction steps are well established, key features of the catalytic mechanisms are poorly characterized, including the identity of the turnover-limiting step and the catalyst resting state. Here, we report a mechanistic study of aerobic allylic acetoxylation of allylbenzene with a catalyst system composed of Pd(OAc)2 and 4,5-diazafluoren-9-one (DAF). The DAF ligand is unique in its ability to support aerobic catalytic turnover, even in the absence of benzoquinone or other co-catalysts. Herein, we describe operando spectroscopic analysis of the catalytic reaction using X-ray absorption and NMR spectroscopic methods that allow direct observation of the formation and decay of a palladium(I) species during the reaction. Kinetic studies reveal the presence of two distinct kinetic phases: (1) a burst phase, involving rapid formation of the allylic acetoxylation product and formation of the dimeric PdI complex [PdI(DAF)(OAc)]2, followed by (2) a post-burst phase that coincides with evolution of the catalyst resting state from the PdI dimer into a π-allyl-PdII species. The data provide unprecedented insights into the role of ancillary ligands in supporting catalytic turnover with O2 as the stoichiometric oxidant and establish an important foundation for the development of improved catalysts for allylic oxidation reactions.
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Affiliation(s)
- Jonathan N Jaworski
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , Wisconsin 53706 , United States
| | - Caitlin V Kozack
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , Wisconsin 53706 , United States
| | - Stephen J Tereniak
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , Wisconsin 53706 , United States
| | - Spring Melody M Knapp
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , Wisconsin 53706 , United States
| | - Clark R Landis
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , Wisconsin 53706 , United States
| | - Jeffrey T Miller
- David School of Chemical Engineering , Purdue University , 480 Stadium Mall Drive , West Lafayette , Indiana 47907 , United States
| | - Shannon S Stahl
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , Wisconsin 53706 , United States
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15
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Wang R, Luan Y, Ye M. Transition Metal–Catalyzed Allylic C(sp
3
)–H Functionalization
via η
3
‐Allylmetal Intermediate. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900140] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ronghua Wang
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Yuxin Luan
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Mengchun Ye
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
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16
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Ohkubo K, Asahara H, Inoue T. Photochemical C-H oxygenation of side-chain methyl groups in polypropylene with chlorine dioxide. Chem Commun (Camb) 2019; 55:4723-4726. [PMID: 30942239 DOI: 10.1039/c9cc01037h] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The chlorine dioxide radical (ClO2˙) was found to act as an efficient oxidizing agent for the aerobic C-H oxygenation of the side-chain methyl groups in polypropylene under photoirradiation and ambient conditions (298 K and 1 atm). The oxygenated side-chain methyl groups were selectively converted to carboxylic acid and hydroxy groups.
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Affiliation(s)
- Kei Ohkubo
- Institute for Advanced Co-Creation Studies, Osaka University, 2-8 Yamada-oka, Suita, Osaka 565-0871, Japan.
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17
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Jarosz S, Tiara K, Potopnyk MA. Stereoselective synthesis of sugar mimetics from simple monosaccharides. PURE APPL CHEM 2019. [DOI: 10.1515/pac-2019-0116] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Abstract
A number of bicyclic imino- and carba-sugars (examples are presented in the Scheme) can be obtained from simple monosaccharides (hexoses or pentoses) by various methods.
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Affiliation(s)
- Sławomir Jarosz
- Institute of Organic Chemistry, Polish Academy of Sciences , Kasprzaka 44/52 , 01-224 Warsaw , Poland
| | - Karolina Tiara
- Institute of Organic Chemistry, Polish Academy of Sciences , Kasprzaka 44/52 , 01-224 Warsaw , Poland
| | - Mykhaylo A. Potopnyk
- Institute of Organic Chemistry, Polish Academy of Sciences , Kasprzaka 44/52 , 01-224 Warsaw , Poland
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18
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Fernandes RA, Nallasivam JL. Catalytic allylic functionalization via π-allyl palladium chemistry. Org Biomol Chem 2019; 17:8647-8672. [DOI: 10.1039/c9ob01725a] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
This review highlights the palladium-catalyzed allylic C–H functionalizations via π-allyl palladium reported from early 2014 to present date.
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Affiliation(s)
- Rodney A. Fernandes
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400076
- India
| | - Jothi L. Nallasivam
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400076
- India
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19
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Wang BX, Mao YJ, Hao HY, Wu QZ, Zhou K, Lou SJ, Xu DQ. Pd-catalysed selective C(sp 3)-H arylation and acetoxylation of alcohols. Chem Commun (Camb) 2019; 55:7049-7052. [PMID: 31143893 DOI: 10.1039/c9cc02911g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A palladium catalyzed selective C(sp3)-H arylation and acetoxylation of alcohols using a practical bidentate auxiliary were developed. Masked alcohols were selectively arylated at the β-position with diverse aryl iodides for the first time. Moreover, an efficient and site-selective acetoxylation of various primary methyl, methylene, and benzylic C(sp3)-H bonds was performed by using cheap K2S2O8 as the external oxidant.
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Affiliation(s)
- Bing-Xin Wang
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
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20
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21
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Dong Y, Chen J, Xu H. Rhodium(iii)-catalyzed directed amidation of unactivated C(sp3)–H bonds to afford 1,2-amino alcohol derivatives. Chem Commun (Camb) 2018; 54:11096-11099. [PMID: 30123898 DOI: 10.1039/c8cc05637d] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A rhodium-catalyzed directed C(sp3)–H amidation to afford 1,2-amino alcohol oxime derivatives has been developed.
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Affiliation(s)
- Yi Dong
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing 100050
- China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation
| | - Jiajing Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing 100050
- China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation
| | - Heng Xu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing 100050
- China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation
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22
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Yang Y, Zhong W, Nie B, Chen J, Wei Z, Liu X. Synergetic oxidation of ethylbenzene to acetophenone catalyzed by manganese(II) complexes bearing pendant iodophenyl groups. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2017.10.034] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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23
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Hu RB, Wang CH, Ren W, Liu Z, Yang SD. Direct Allylic C–H Bond Activation To Synthesize [Pd(η3-cin)(IPr)Cl] Complex: Application in the Allylation of Oxindoles. ACS Catal 2017. [DOI: 10.1021/acscatal.7b02965] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Rong-Bin Hu
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou
Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, People’s Republic of China
| | - Chun-Hai Wang
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Wei Ren
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Zhong Liu
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Shang-Dong Yang
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou
Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, People’s Republic of China
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24
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Yue Q, Yang T, Yang Y, Zhang C, Zhang Q, Li D. Divergent Reactivity of (Diacyloxyiodo)arenes under Palladium Catalysis: Controlled Allylic C−H Acyloxylation and Vinylic Arylation. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700163] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Qiang Yue
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
| | - Tingting Yang
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
| | - Yaocheng Yang
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
| | - Chuancheng Zhang
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
| | - Qian Zhang
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
- Hubei Key Laboratory of Drug Synthesis and Optimization; Jingchu University of Technology; Jingmen 448000 China
| | - Dong Li
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
- Hubei Key Laboratory of Drug Synthesis and Optimization; Jingchu University of Technology; Jingmen 448000 China
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25
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Lu B, Zhu F, Wang D, Sun H, Shen Q. Iron-catalyzed esterification of allylic sp 3 C–H bonds with carboxylic acids: Facile access to allylic esters. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.05.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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26
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Dong Y, Liu G. Auxiliary-Assisted Palladium-Catalyzed Direct C(sp3)–H Sulfonamidation To Afford 1,2-Amino Alcohol Derivatives. J Org Chem 2017; 82:3864-3872. [DOI: 10.1021/acs.joc.6b02975] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yi Dong
- School of Pharmaceutical Sciences, Tsinghua University, Haidian District, Beijing 100084, PR China
| | - Gang Liu
- School of Pharmaceutical Sciences, Tsinghua University, Haidian District, Beijing 100084, PR China
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27
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Litman ZC, Sharma A, Hartwig JF. Oxidation of Hindered Allylic C-H Bonds with Applications to the Functionalization of Complex Molecules. ACS Catal 2017; 7:1998-2001. [PMID: 29910970 DOI: 10.1021/acscatal.6b03648] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We report the palladium-catalyzed oxidation of hindered alkenes to form linear allylic esters. The combination of palladium(II) benzoate, 4,5-diazafluoren-9-one, and benzoquinone catalyzes the mild oxidation of terminal alkenes with tert-butyl benzoyl peroxide as an oxidant in the presence of diverse functional groups. Selective oxidation of terminal alkenes in the presence of trisubstituted and disubstituted alkenes has been achieved, and the ability to conduct the reaction on a gram scale has been demonstrated. The mild conditions and high tolerance for auxiliary functionality make this method suitable for the synthesis and derivatization of complex molecules.
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Affiliation(s)
- Zachary C. Litman
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Ankit Sharma
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - John F. Hartwig
- Department of Chemistry, University of California, Berkeley, California 94720, United States
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28
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Giralt E, Lo Re D. The Therapeutic Potential of Migrastatin-Core Analogs for the Treatment of Metastatic Cancer. Molecules 2017; 22:molecules22020198. [PMID: 28208778 PMCID: PMC6155687 DOI: 10.3390/molecules22020198] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 01/25/2017] [Accepted: 02/02/2017] [Indexed: 01/30/2023] Open
Abstract
Tumor metastasis is a complex process in which cells detach from the primary tumor and colonize a distant organ. Metastasis is also the main process responsible for cancer-related death. Despite the enormous efforts made to unravel the metastatic process, there is no effective therapy, and patients with metastatic tumors have poor prognosis. In this regard, there is an urgent need for new therapeutic tools for the treatment of this disease. Small molecules with the capacity to reduce cell migration could be used to treat metastasis. Migrastatin-core analogs are naturally inspired macrocycles that inhibit pathological cell migration and are able to reduce metastasis in animal models. Migrastatin analogs can be synthesized from a common advanced intermediate. Herein we present a review of the synthetic approaches that can be used to prepare this key intermediate, together with a review of the biological activity of migrastatin-core analogs and current hypotheses concerning their mechanism of action.
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Affiliation(s)
- Ernest Giralt
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, C/Baldiri Reixac 10, Barcelona E-08028, Spain.
- Department of Organic Chemistry, University of Barcelona, Marti i Franques 1-11, Barcelona E-08028, Spain.
| | - Daniele Lo Re
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, C/Baldiri Reixac 10, Barcelona E-08028, Spain.
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29
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Zang ZL, Zhao S, Karnakanti S, Liu CL, Shao PL, He Y. Catalytic Multisite-Selective Acetoxylation Reactions at sp 2 vs sp 3 C-H Bonds in Cyclic Olefins. Org Lett 2016; 18:5014-5017. [PMID: 27650477 DOI: 10.1021/acs.orglett.6b02458] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The first Pd-catalyzed multisite-selective acetoxylation reactions are disclosed at an unactivated alkene sp2 C-H bond versus secondary allylic sp3 C-H bond in cyclic olefins via the modulation of directing groups. The different directing groups overcome the key challenge in differentiating C-H bonds and provide a new controlling approach for site-specific C-H activation. A wide variety of substrates are readily acetoxylated under operationally simple conditions. Mechanistic studies suggest that different Pd (IV) intermediates were involved in the multisite-selective acetoxylation reactions.
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Affiliation(s)
- Zhong-Lin Zang
- School of Pharmaceutical Sciences and Innovative Drug Research Centre, Chongqing University , 55 Daxuecheng South Road, Shapingba, Chongqing 401331, P.R. China
| | - Sheng Zhao
- School of Pharmaceutical Sciences and Innovative Drug Research Centre, Chongqing University , 55 Daxuecheng South Road, Shapingba, Chongqing 401331, P.R. China
| | - Shuklachary Karnakanti
- School of Pharmaceutical Sciences and Innovative Drug Research Centre, Chongqing University , 55 Daxuecheng South Road, Shapingba, Chongqing 401331, P.R. China
| | - Cheng-Lin Liu
- School of Pharmaceutical Sciences and Innovative Drug Research Centre, Chongqing University , 55 Daxuecheng South Road, Shapingba, Chongqing 401331, P.R. China
| | - Pan-Lin Shao
- School of Pharmaceutical Sciences and Innovative Drug Research Centre, Chongqing University , 55 Daxuecheng South Road, Shapingba, Chongqing 401331, P.R. China
| | - Yun He
- School of Pharmaceutical Sciences and Innovative Drug Research Centre, Chongqing University , 55 Daxuecheng South Road, Shapingba, Chongqing 401331, P.R. China
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30
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Grisin A, Oliver S, Ganton MD, Bacsa J, Evans PA. Diastereoselective construction of anti-4,5-disubstituted-1,3-dioxolanes via a bismuth-mediated two-component hemiacetal oxa-conjugate addition of γ-hydroxy-α,β-unsaturated ketones with paraformaldehyde. Chem Commun (Camb) 2016; 51:15681-4. [PMID: 26365112 DOI: 10.1039/c5cc01949d] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The bismuth-mediated two-component hemiacetal oxa-conjugate addition of γ-hydroxy-α,β-unsaturated ketones with paraformaldehyde affords anti-4,5-disubstituted-1,3-dioxolanes in an efficient and stereoselective manner. The reaction provides a practical, inexpensive and atom-economical approach to these types of heterocycles, which represent useful intermediates for target-directed synthesis and precursors to syn-1,2-diols.
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Affiliation(s)
- Aleksandr Grisin
- Department of Chemistry, Queen's University, 90 Bader Lane, Kingston, ON K7L 3N6, Canada.
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31
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Vemula SR, Kumar D, Cook GR. Palladium-Catalyzed Allylic Amidation with N-Heterocycles via sp3 C–H Oxidation. ACS Catal 2016. [DOI: 10.1021/acscatal.6b01818] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Sandeep R. Vemula
- Department of Chemistry and
Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
| | - Dinesh Kumar
- Department of Chemistry and
Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
| | - Gregory R. Cook
- Department of Chemistry and
Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
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32
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Haydl AM, Berthold D, Spreider PA, Breit B. Stereodivergent and Protecting-Group-Free Synthesis of the Helicascolide Family: A Rhodium-Catalyzed Atom-Economical Lactonization Strategy. Angew Chem Int Ed Engl 2016; 55:5765-9. [DOI: 10.1002/anie.201600632] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Indexed: 11/12/2022]
Affiliation(s)
- Alexander M. Haydl
- Institut für Organische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstrasse 21 79104 Freiburg im Breisgau Germany
| | - Dino Berthold
- Institut für Organische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstrasse 21 79104 Freiburg im Breisgau Germany
| | - Pierre A. Spreider
- Institut für Organische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstrasse 21 79104 Freiburg im Breisgau Germany
| | - Bernhard Breit
- Institut für Organische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstrasse 21 79104 Freiburg im Breisgau Germany
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33
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Haydl AM, Berthold D, Spreider PA, Breit B. Stereodivergent and Protecting-Group-Free Synthesis of the Helicascolide Family: A Rhodium-Catalyzed Atom-Economical Lactonization Strategy. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201600632] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Alexander M. Haydl
- Institut für Organische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstrasse 21 79104 Freiburg im Breisgau Germany
| | - Dino Berthold
- Institut für Organische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstrasse 21 79104 Freiburg im Breisgau Germany
| | - Pierre A. Spreider
- Institut für Organische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstrasse 21 79104 Freiburg im Breisgau Germany
| | - Bernhard Breit
- Institut für Organische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstrasse 21 79104 Freiburg im Breisgau Germany
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34
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Knight BJ, Rothbaum JO, Ferreira EM. The design of a readily attachable and cleavable molecular scaffold for ortho-selective C-H alkenylation of arene alcohols. Chem Sci 2016; 7:1982-1987. [PMID: 29899921 PMCID: PMC5966905 DOI: 10.1039/c5sc03948g] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Accepted: 12/12/2015] [Indexed: 01/10/2023] Open
Abstract
We describe herein the design of a novel molecular scaffold that can induce facile oxidative olefinations when attached to alcohols. Benzylic, homo-, and bishomobenzylic alcohols are utilized. The scaffold can act as a protecting group for the alcohol in other transformations, and it is recoverable in excellent yield. The overall sequence can also be telescoped without purifications of intermediates, representing a net alcohol-based directed ortho-alkenylation.
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Affiliation(s)
- Brian J Knight
- Department of Chemistry , University of Georgia , Athens , GA 30602 , USA .
| | - Jacob O Rothbaum
- Department of Chemistry , University of Georgia , Athens , GA 30602 , USA .
| | - Eric M Ferreira
- Department of Chemistry , University of Georgia , Athens , GA 30602 , USA .
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35
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Xie J, Zhu C. Recent Advances in Non-directed C(sp3)–H Bond Functionalization. SPRINGERBRIEFS IN MOLECULAR SCIENCE 2016. [DOI: 10.1007/978-3-662-49496-7_2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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36
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Zhang H, Hu RB, Liu N, Li SX, Yang SD. Dearomatization of Indoles via Palladium-Catalyzed Allylic C-H Activation. Org Lett 2015; 18:28-31. [PMID: 26673685 DOI: 10.1021/acs.orglett.5b03053] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The first Pd-catalyzed allylic dearomatization of substituted indoles triggered by C-H bond activation is reported. The presence of a catalytic amount of 2,5-DMBQ is proven to be a key factor for the high yield. This one-pot tandem allylic C-H activation/dearomatization sequence provides a straightforward access to 3,3-disubstituted indolines.
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Affiliation(s)
- Heng Zhang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University , Lanzhou 730000, P. R. China
| | - Rong-Bin Hu
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University , Lanzhou 730000, P. R. China
| | - Na Liu
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University , Lanzhou 730000, P. R. China
| | - Shi-Xia Li
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University , Lanzhou 730000, P. R. China
| | - Shang-Dong Yang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University , Lanzhou 730000, P. R. China.,State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics , Lanzhou 730000, P. R. China
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37
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Sun J, Wang Y, Pan Y. Metal-Free Catalytic Approach for Allylic C–H Amination Using N-Heterocycles via sp3 C–H Bond Activation. J Org Chem 2015; 80:8945-50. [DOI: 10.1021/acs.joc.5b01383] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jinwei Sun
- School of Chemistry & Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Yi Wang
- School of Chemistry & Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Yi Pan
- School of Chemistry & Chemical Engineering, Nanjing University, Nanjing 210093, China
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38
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Sipos G, Drinkel EE, Dorta R. The emergence of sulfoxides as efficient ligands in transition metal catalysis. Chem Soc Rev 2015; 44:3834-60. [PMID: 25954773 DOI: 10.1039/c4cs00524d] [Citation(s) in RCA: 179] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Sulfoxides are capable of forming stable complexes with transition metals and there have been many comprehensive studies into their binding properties. However, the use of sulfoxides, particularly chiral sulfoxides, as ligands in transition metal catalysis is rather less well developed. This review aims to describe these catalytic studies and covers new developments that are showing very promising results and that have led to a renewed interest in this field.
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Affiliation(s)
- Gellért Sipos
- School of Chemistry and Biochemistry, University of Western Australia, 35 Stirling Highway, 6009, Crawley, Australia.
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39
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Cheng C, Liu S, Zhu G. Divergent Synthesis of 2-Aminofurans via Palladium-Catalyzed Acetoxylative, Alkoxylative, and Hydroxylative Cycloisomerization of Homoallenyl Amides. J Org Chem 2015; 80:7604-12. [PMID: 26147649 DOI: 10.1021/acs.joc.5b01182] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A fine-tunable transformation, including Pd-catalyzed acetoxylative, alkoxylative, and hydroxylative cycloisomerization of homoallenyl amides, has been realized with hypervalent iodine organic compounds as the oxidants, giving polysubstituted 2-aminofurans in promising yields at room temperature. The selective formation of three different types of products from the same starting materials makes this reaction particularly attractive and useful for organic synthesis.
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Affiliation(s)
- Cungui Cheng
- Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, China
| | - Shuiyou Liu
- Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, China
| | - Gangguo Zhu
- Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, China
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40
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Nishikawa Y, Kimura S, Kato Y, Yamazaki N, Hara O. Pd(II)-Catalyzed Allylic C–H Amination for the Preparation of 1,2- and 1,3-Cyclic Ureas. Org Lett 2015; 17:888-91. [DOI: 10.1021/ol5037453] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yasuhiro Nishikawa
- Faculty
of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
| | - Seikou Kimura
- Faculty
of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
| | - Yuri Kato
- Faculty
of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
| | - Natsuka Yamazaki
- Faculty
of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
| | - Osamu Hara
- Faculty
of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
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41
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Yang W, Chen H, Li J, Li C, Wu W, Jiang H. Palladium-catalyzed aerobic oxidative double allylic C–H oxygenation of alkenes: a novel and straightforward route to α,β-unsaturated esters. Chem Commun (Camb) 2015; 51:9575-8. [DOI: 10.1039/c5cc02277k] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We reported a strategically distinct approach to synthesize α,β-unsaturated esters through palladium-catalyzed aerobic oxidative double allylic C–H oxygenation of alkenes.
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Affiliation(s)
- Wanfei Yang
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Huoji Chen
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Jianxiao Li
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Chunsheng Li
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Wanqing Wu
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Huanfeng Jiang
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
- State Key Laboratory of Applied Organic Chemistry
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42
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Gade NR, Iqbal J. A Common Synthetic Protocol for the Cyclic and Acyclic Core of Migrastatin, Isomigrastatin, and Dorrigocin via a Chiral β-Hydroxy-γ-butyrolactone Intermediate. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402830] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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43
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Ammann SE, Rice GT, White MC. Terminal olefins to chromans, isochromans, and pyrans via allylic C-H oxidation. J Am Chem Soc 2014; 136:10834-7. [PMID: 24983326 PMCID: PMC4132955 DOI: 10.1021/ja503322e] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Indexed: 01/15/2023]
Abstract
The synthesis of chroman, isochroman, and pyran motifs has been accomplished via a combination of Pd(II)/bis-sulfoxide C-H activation and Lewis acid co-catalysis. A wide range of alcohols are found to be competent nucleophiles for the transformation under uniform conditions (catalyst, solvent, temperature). Mechanistic studies suggest that the reaction proceeds via initial C-H activation followed by a novel inner-sphere functionalization pathway. Consistent with this, the reaction shows reactivity trends orthogonal to those of traditional Pd(0)-catalyzed allylic substitutions.
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Affiliation(s)
- Stephen E. Ammann
- Roger Adams Laboratory, Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | | | - M. Christina White
- Roger Adams Laboratory, Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
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44
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Wang Y, Kang Q. Palladium-Catalyzed Allylic Esterification via C–C Bond Cleavage of a Secondary Homoallyl Alcohol. Org Lett 2014; 16:4190-3. [PMID: 25075757 DOI: 10.1021/ol501887a] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Yong Wang
- State Key
Laboratory of Structural
Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, 350002, China
| | - Qiang Kang
- State Key
Laboratory of Structural
Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, 350002, China
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45
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Kondo H, Yu F, Yamaguchi J, Liu G, Itami K. Branch-Selective Allylic C–H Carboxylation of Terminal Alkenes by Pd/sox Catalyst. Org Lett 2014; 16:4212-5. [DOI: 10.1021/ol5019135] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hiroki Kondo
- Department
of Chemistry, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
| | - Feng Yu
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Junichiro Yamaguchi
- Department
of Chemistry, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
| | - Guosheng Liu
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Kenichiro Itami
- Department
of Chemistry, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
- Institute
of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya 464-8602, Japan
- JST
ERATO, Itami Molecular Nanocarbon Project, Nagoya University, Chikusa, Nagoya 464-8602, Japan
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46
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Osberger TJ, White MC. N-Boc amines to oxazolidinones via Pd(II)/bis-sulfoxide/Brønsted acid co-catalyzed allylic C-H oxidation. J Am Chem Soc 2014; 136:11176-81. [PMID: 24999765 PMCID: PMC4132963 DOI: 10.1021/ja506036q] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
![]()
A Pd(II)/bis-sulfoxide/Brønsted
acid catalyzed allylic C–H
oxidation reaction for the synthesis of oxazolidinones from simple N-Boc amines is reported. A range of oxazolidinones are
furnished in good yields (avg 63%) and excellent diastereoselectivities
(avg 15:1) to furnish products regioisomeric from those previously
obtained using allylic C–H amination reactions. Mechanistic
studies suggest the role of the phosphoric acid is to furnish a Pd(II)bis-sulfoxide
phosphate catalyst that promotes allylic C–H cleavage and π-allylPd
functionalization with a weak, aprotic oxygen nucleophile and to assist
in catalyst regeneration.
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Affiliation(s)
- Thomas J Osberger
- Roger Adams Laboratory, University of Illinois Urbana-Champaign , Champaign, Illinois 61801, United States
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47
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Malik M, Witkowski G, Jarosz S. Carboxybenzyl Group as an O-Nucleophile in the C–H Allylic Oxidation: Total Synthesis of (−)-Castanospermine. Org Lett 2014; 16:3816-9. [DOI: 10.1021/ol501730p] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Michał Malik
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Grzegorz Witkowski
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Sławomir Jarosz
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
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48
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Wang PS, Lin HC, Zhou XL, Gong LZ. Palladium(II)/Lewis acid synergistically catalyzed allylic C-H olefination. Org Lett 2014; 16:3332-5. [PMID: 24922318 DOI: 10.1021/ol501356z] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The first allylic C-H olefination with α-diazo esters synergistically catalyzed by a palladium(II) complex and (salen)CrCl has been established to directly generate conjugated polyene derivatives in moderate to high yields and with excellent stereoselectivities.
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Affiliation(s)
- Pu-Sheng Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China , Hefei 230026, China
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49
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Wang GW, Zhou AX, Li SX, Yang SD. Regio- and Stereoselective Allylic C–H Arylation with Electron-Deficient Arenes by 1,1′-Bi-2-naphthol–Palladium Cooperation. Org Lett 2014; 16:3118-21. [DOI: 10.1021/ol501247b] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Gang-Wei Wang
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
| | - An-Xi Zhou
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
| | - Shi-Xia Li
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
| | - Shang-Dong Yang
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
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50
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Liron F, Oble J, Lorion MM, Poli G. Direct Allylic Functionalization Through Pd-Catalyzed C-H Activation. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402049] [Citation(s) in RCA: 114] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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