1
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Xie C, Wu S, Zhang R. Stereo- and Regiospecific S N2' Reaction of MBH Adducts with Isocyanoacetates: en Route to Transition-Metal-Free α-Allylation of Isocyanoacetates. ACS OMEGA 2023; 8:6854-6859. [PMID: 36844594 PMCID: PMC9948183 DOI: 10.1021/acsomega.2c07581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
Herein, we report that under mild and transition-metal-free conditions an unprecedented and practical SN2' reaction of Morita-Baylis-Hillman adducts with isocyanoacetates takes place in a stereo- and regiospecific manner. This reaction which tolerates a wide variety of functionalities delivers transformable α-allylated isocyanoacetates in high efficiencies. Preliminary studies on the asymmetric version of this reaction indicate that ZnEt2/chiral amino alcohol combinations are an asymmetric catalytic system for this transformation, giving an enantioenriched α-allylated isocyanoacetate with a chiral quaternary carbon in a high yield.
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Affiliation(s)
- Chunsong Xie
- College
of New Materials and Engineering, Key Laboratory for Preparation and
Application of Energy Saving and Emission Reduction New Materials
of Jiaxing City, Jiaxing Nanhu University, Jiaxing 314001, P. R. China
- College
of Material, Chemistry and Chemical Engineering, Key Laboratory of
Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, P. R. China
| | - Song Wu
- College
of Material, Chemistry and Chemical Engineering, Key Laboratory of
Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, P. R. China
| | - Runmei Zhang
- College
of Material, Chemistry and Chemical Engineering, Key Laboratory of
Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, P. R. China
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2
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Ji C, Xiao J, Zeng X. Recent Progress in the Stereoselective Synthesis of (−)‐α‐Kainic Acid. ChemistrySelect 2021. [DOI: 10.1002/slct.202102562] [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)
- Cong‐Bin Ji
- School of Chemistry and Environmental Sciences Shangrao Normal University Shangrao Jiangxi 334001 People's Republic of China
| | - Jie Xiao
- School of Chemistry and Environmental Sciences Shangrao Normal University Shangrao Jiangxi 334001 People's Republic of China
| | - Xing‐Ping Zeng
- Key Laboratory of Small Functional Organic Molecule Ministry of Education Jiangxi Normal University Nanchang Jiangxi 330022 People's Republic of China
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3
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Marine Excitatory Amino Acids: Structure, Properties, Biosynthesis and Recent Approaches to Their Syntheses. Molecules 2020; 25:molecules25133049. [PMID: 32635311 PMCID: PMC7412112 DOI: 10.3390/molecules25133049] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 06/30/2020] [Accepted: 07/01/2020] [Indexed: 11/26/2022] Open
Abstract
This review considers the results of recent studies on marine excitatory amino acids, including kainic acid, domoic acid, dysiherbaine, and neodysiherbaine A, known as potent agonists of one of subtypes of glutamate receptors, the so-called kainate receptors. Novel information, particularly concerning biosynthesis, environmental roles, biological action, and syntheses of these marine metabolites, obtained mainly in last 10–15 years, is summarized. The goal of the review was not only to discuss recently obtained data, but also to provide a brief introduction to the field of marine excitatory amino acid research.
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4
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Innocenti R, Lenci E, Menchi G, Trabocchi A. Combination of multicomponent KA 2 and Pauson-Khand reactions: short synthesis of spirocyclic pyrrolocyclopentenones. Beilstein J Org Chem 2020; 16:200-211. [PMID: 32117477 PMCID: PMC7034245 DOI: 10.3762/bjoc.16.23] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 01/23/2020] [Indexed: 12/23/2022] Open
Abstract
The Cu-catalyzed multicomponent ketone–amine–alkyne (KA2) reaction was combined with a Pauson–Khand cycloaddition to give access of unprecedented constrained spirocyclic pyrrolocyclopentenone derivatives following a DOS couple-pair approach. The polyfunctional molecular scaffolds were tested on the cyclopentenone reactivity to further expand the skeletal diversity, demonstrating the utility of this combined approach in generating novel spiro compounds as starting material for the generation of chemical libraries. The chemoinformatics characterization of the newly-synthesized molecules gave evidence about structural and physicochemical properties with respect to a set of blockbuster drugs, and showed that such scaffolds are drug-like but more spherical and three-dimensional in character than the drugs.
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Affiliation(s)
- Riccardo Innocenti
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 13, 50019 Sesto Fiorentino, Florence, Italy
| | - Elena Lenci
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 13, 50019 Sesto Fiorentino, Florence, Italy
| | - Gloria Menchi
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 13, 50019 Sesto Fiorentino, Florence, Italy
| | - Andrea Trabocchi
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 13, 50019 Sesto Fiorentino, Florence, Italy.,Interdepartmental Center for Preclinical Development of Molecular Imaging (CISPIM), University of Florence, Viale Morgagni 85, 50134 Florence, Italy
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5
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Zhang Y, Chen C, Zhao J, Liu G. Rhodium‐Catalyzed Cascade Radical Cyclization of 1,6‐Enynes with Br−CX
3
: Access to Bromine‐Containing Trihalomethylated Pyrrolidines. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900644] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yingying Zhang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry College of ChemistryTianjin Normal University Tianjin 300387 P. R. China
| | - Chen Chen
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry College of ChemistryTianjin Normal University Tianjin 300387 P. R. China
| | - Jinghui Zhao
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry College of ChemistryTianjin Normal University Tianjin 300387 P. R. China
| | - Guiyan Liu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry College of ChemistryTianjin Normal University Tianjin 300387 P. R. China
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6
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Chogii I, Das P, Njardarson JT. Efforts Toward a Unified Kainoid Family Synthesis Approach: Unexpected Sulfinamide‐Directed Conjugate Addition Results. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201800728] [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)
- Isaac Chogii
- Department of Chemistry and BiochemistryUniversity of Arizona 1306 E. University Blvd. Tucson AZ 85721 USA
| | - Pradipta Das
- Department of Chemistry and BiochemistryUniversity of Arizona 1306 E. University Blvd. Tucson AZ 85721 USA
| | - Jon T. Njardarson
- Department of Chemistry and BiochemistryUniversity of Arizona 1306 E. University Blvd. Tucson AZ 85721 USA
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7
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Maeno Y, Terada R, Kotaki Y, Cho Y, Konoki K, Yotsu-Yamashita M. Possible Biosynthetic Products and Metabolites of Kainic Acid from the Red Alga Digenea simplex and Their Biological Activity. JOURNAL OF NATURAL PRODUCTS 2019; 82:1627-1633. [PMID: 31117523 DOI: 10.1021/acs.jnatprod.9b00128] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Four kainic acid (KA, 1)-related compounds, 4-hydroxykainic acid (2), allo-4-hydroxykainic acid (3), N-dimethylallyl-l-glutamic acid (4), and N-dimethylallyl- threo-3-hydroxyglutamic acid (5), were isolated from the red alga Digenea simplex. The structures of these compounds were elucidated using spectroscopic methods. Compounds 2 and 3 are possible oxidative metabolites of KA and allo-KA (6), respectively. Compound 4 was recently reported as the biosynthetic precursor of KA, but the absolute configuration of 4 has not been previously determined. Herein, we determined the absolute configuration of 4 as 2( S) using advanced Marfey's method. Compound 5 is similar to N-geranyl-3( R)-hydroxy-l-glutamic acid (8), which was previously identified in a domoic acid (DA)-containing red alga. Compounds 5 and 8 are predicted to be biosynthetic byproducts of the radical-mediated cyclization reaction to form the pyrrolidine rings of KA and DA, respectively. Furthermore, the toxicities of 1-5 in mice were examined by intracerebroventricular injection. The toxicity of 2 was less than that of KA; however, the mice injected with 2 showed symptoms similar to those induced by KA, while 3-5 did not induce typical symptoms of KA in mice.
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Affiliation(s)
- Yukari Maeno
- Graduate School of Agricultural Science , Tohoku University , 468-1 Aramaki-Aza-Aoba , Aoba-ku, Sendai 980-8275 , Japan
| | - Ryuta Terada
- United Graduate School of Agricultural Sciences , Kagoshima University , 1-21-24 Korimoto , Kagoshima 890-0065 , Japan
| | - Yuichi Kotaki
- Fukushima College , 1-1 Chigoike Miyashiro , Fukushima 960-0181 , Japan
| | - Yuko Cho
- Graduate School of Agricultural Science , Tohoku University , 468-1 Aramaki-Aza-Aoba , Aoba-ku, Sendai 980-8275 , Japan
| | - Keiichi Konoki
- Graduate School of Agricultural Science , Tohoku University , 468-1 Aramaki-Aza-Aoba , Aoba-ku, Sendai 980-8275 , Japan
| | - Mari Yotsu-Yamashita
- Graduate School of Agricultural Science , Tohoku University , 468-1 Aramaki-Aza-Aoba , Aoba-ku, Sendai 980-8275 , Japan
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8
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Affiliation(s)
- Mathew L. Piotrowski
- Department of Chemistry; The University of; London, Ontario Western Ontario Canada N6A 5B7
| | - Michael A. Kerr
- Department of Chemistry; The University of; London, Ontario Western Ontario Canada N6A 5B7
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9
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Xu B, Zhang ZM, Zhou L, Zhang J. Direct Asymmetric Formal [3 + 2] Cycloaddition Reaction of Isocyanoesters with β-Trifluoromethyl β,β-Disubstituted Enones Leading to Optically Active Dihydropyrroles. Org Lett 2018; 20:2716-2719. [DOI: 10.1021/acs.orglett.8b00925] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bing Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
| | - Zhan-Ming Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
| | - Lujia Zhou
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
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10
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Lee J, Wang S, Callahan M, Nagorny P. Copper(II)-Catalyzed Tandem Decarboxylative Michael/Aldol Reactions Leading to the Formation of Functionalized Cyclohexenones. Org Lett 2018; 20:2067-2070. [PMID: 29560721 DOI: 10.1021/acs.orglett.8b00607] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This work describes the development of a new single-pot copper(II)-catalyzed decarboxylative Michael reaction between β-keto acids and enones, followed by in situ aldolization, which results in highly functionalized chiral and achiral cyclohexenones. The achiral version of this Robinson annulation features a hitherto unprecedented Michael reaction of β-keto acids with sterically hindered β,β'-substituted enones and provides access to all carbon quaternary stereocenter-containing cyclohexenones (11 examples, 43-83% yield). In addition, an asymmetric chiral bis(oxazoline) copper(II)-catalyzed single-pot Robinson annulation has been devised for preparing chiral cyclohexenones, including some products that contain vicinal stereocenters (5 examples, 65-85% yield, 84-94% ee). This latter protocol has been successfully applied to the enantioselective formation of the oxygenated 10-nor-steroid core from readily available starting materials.
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Affiliation(s)
- Jeonghyo Lee
- Department of Chemistry , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Sibin Wang
- Department of Chemistry , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Miranda Callahan
- Department of Chemistry , Sewanee: The University of the South , Sewanee , Tennessee 37383 , United States
| | - Pavel Nagorny
- Department of Chemistry , University of Michigan , Ann Arbor , Michigan 48109 , United States
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11
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Lei H, Xin S, Qiu Y, Zhang X. Enantioselective total synthesis of (-)-kainic acid and (+)-acromelic acid C via Rh(i)-catalyzed asymmetric enyne cycloisomerization. Chem Commun (Camb) 2018; 54:727-730. [PMID: 29214245 DOI: 10.1039/c7cc07967b] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A diversity-oriented synthetic strategy was developed for the total synthesis of kainoid amino acids, which led to the enantioselective synthesis of (-)-kainic acid and the first total synthesis of (+)-acromelic acid C. Rh(i)-catalyzed asymmetric enyne cycloisomerization served as the key reaction in this strategy for the rapid construction of highly functionalized lactam, and the resulting vinyl acetate moiety was further utilized as a versatile building block for the installation of both isopropylidene and 2-pyridone units existing in natural kainoids.
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Affiliation(s)
- Honghui Lei
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China.
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12
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Li J, Ye Y, Zhang Y. Cycloaddition/annulation strategies for the construction of multisubstituted pyrrolidines and their applications in natural product synthesis. Org Chem Front 2018. [DOI: 10.1039/c7qo01077j] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Pyrrolidines are privileged substructures of numerous bioactive natural products and drugs.
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Affiliation(s)
- Jundong Li
- Department of Chemistry and Key Laboratory of Chemical Biology of Fujian Province
- iChEM
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen
| | - Yilin Ye
- Department of Chemistry and Key Laboratory of Chemical Biology of Fujian Province
- iChEM
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen
| | - Yandong Zhang
- Department of Chemistry and Key Laboratory of Chemical Biology of Fujian Province
- iChEM
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen
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13
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Takahashi K, Ito T, Yamada W, Tsubuki M, Honda T. A Formal Synthesis of (–)-Kainic Acid by Means of SmI2-Mediated Radical Cyclization. HETEROCYCLES 2018. [DOI: 10.3987/com-18-13898] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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He T, Gao P, Fang S, Chi Y, Chen Y. Palladium-catalyzed cycloisomerisation reaction of 1,6-enyne acetic esters to form five-membered nitrogenated heterocyclic conjugated trienes. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.11.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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15
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Suzuki J, Miyano N, Yashiro S, Umezawa T, Matsuda F. Total synthesis of (-)-kainic acid and (+)-allo-kainic acid through SmI 2-mediated intramolecular coupling between allyl chloride and an α,β-unsaturated ester. Org Biomol Chem 2017; 15:6557-6566. [PMID: 28748237 DOI: 10.1039/c7ob01427a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A 3,4-disubstituted pyrrolidine ring was effectively cyclized through SmI2-mediated reductive coupling between allyl chloride and an α,β-unsaturated ester, although little has been reported about SmI2-promoted C-C bond formation of an allyl chloride with an α,β-unsaturated ester. Selection of either the 3,4-cis- or 3,4-trans-selective cyclization can be accomplished simply by changing the additives from NiI2 to HMPA during reductive cyclization conducted in H2O-THF. Total synthesis of (-)-kainic acid and (+)-allo-kainic acid, which are pyrrolidine alkaloids used in neuroscience and neuropharmacology as useful molecular probes, was successfully achieved by using the stereo-complementary ring closure reactions promoted by SmI2 for the construction of the 2,3,4-trisubsituted pyrrolidine scaffold of kainoids.
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Affiliation(s)
- Junya Suzuki
- Graduate School of Environmental Science, Hokkaido University, N10 W5, Sapporo 060-0810, Japan.
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16
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Shi H, Li J, Liu Y, Du Z, Huang Z, Zhao N, Li N, Yang J. Formal total synthesis of (−)-kainic acid. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.07.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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17
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Inai M, Ouchi H, Asahina A, Asakawa T, Hamashima Y, Kan T. Practical Total Syntheses of Acromelic Acids A and B. Chem Pharm Bull (Tokyo) 2016; 64:723-32. [DOI: 10.1248/cpb.c16-00009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Makoto Inai
- School of Pharmaceutical Sciences, University of Shizuoka
| | - Hitoshi Ouchi
- School of Pharmaceutical Sciences, University of Shizuoka
| | - Aya Asahina
- School of Pharmaceutical Sciences, University of Shizuoka
| | | | | | - Toshiyuki Kan
- School of Pharmaceutical Sciences, University of Shizuoka
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18
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Cichowicz NR, Kaplan W, Khomutnyk Y, Bhattarai B, Sun Z, Nagorny P. Concise Enantioselective Synthesis of Oxygenated Steroids via Sequential Copper(II)-Catalyzed Michael Addition/Intramolecular Aldol Cyclization Reactions. J Am Chem Soc 2015; 137:14341-8. [PMID: 26491886 PMCID: PMC4651737 DOI: 10.1021/jacs.5b08528] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A new scalable enantioselective approach to functionalized oxygenated steroids is described. This strategy is based on chiral bis(oxazoline) copper(II) complex-catalyzed enantioselective and diastereoselective Michael reactions of cyclic ketoesters and enones to install vicinal quaternary and tertiary stereocenters. In addition, the utility of copper(II) salts as highly active catalysts for the Michael reactions of traditionally unreactive β,β'-enones and substituted β,β'-ketoesters that results in unprecedented Michael adducts containing vicinal all-carbon quaternary centers is also demonstrated. The Michael adducts subsequently undergo base-promoted diastereoselective aldol cascade reactions resulting in the natural or unnatural steroid skeletons. The experimental and computational studies suggest that the torsional strain effects arising from the presence of the Δ(5)-unsaturation are key controlling elements for the formation of the natural cardenolide scaffold. The described method enables expedient generation of polycyclic molecules including modified steroidal scaffolds as well as challenging-to-synthesize Hajos-Parrish and Wieland-Miescher ketones.
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Affiliation(s)
- Nathan R. Cichowicz
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, MI 48109
| | - Will Kaplan
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, MI 48109
| | - Yaroslav Khomutnyk
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, MI 48109
| | - Bijay Bhattarai
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, MI 48109
| | - Zhankui Sun
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, MI 48109
| | - Pavel Nagorny
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, MI 48109
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19
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Maury J, Clayden J. α-Quaternary Proline Derivatives by Intramolecular Diastereoselective Arylation of N-Carboxamido Proline Ester Enolates. J Org Chem 2015; 80:10757-68. [DOI: 10.1021/acs.joc.5b01912] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Julien Maury
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Jonathan Clayden
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
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20
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Zhang M, Watanabe K, Tsukamoto M, Shibuya R, Morimoto H, Ohshima T. A Short Scalable Route to (−)-α-Kainic Acid Using Pt-Catalyzed Direct Allylic Amination. Chemistry 2015; 21:3937-41. [DOI: 10.1002/chem.201406557] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Indexed: 01/11/2023]
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21
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Yu YF, Shu C, Zhou B, Li JQ, Zhou JM, Ye LW. Efficient and practical synthesis of enantioenriched 2,3-dihydropyrroles through gold-catalyzed anti-Markovnikov hydroamination of chiral homopropargyl sulfonamides. Chem Commun (Camb) 2015; 51:2126-9. [DOI: 10.1039/c4cc09245g] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A direct gold-catalyzed anti-Markovnikov hydroamination of chiral homopropargyl sulfonamides has been developed. A range of enantioenriched 2,3-dihydropyrroles are readily accessed by utilizing this approach.
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Affiliation(s)
- Yong-Fei Yu
- State Key Laboratory for Physical Chemistry of Solid Surfaces & The Key Laboratory for Chemical Biology of Fujian Province
- Department of Chemistry
- Xiamen University
- Xiamen
- P. R. China
| | - Chao Shu
- State Key Laboratory for Physical Chemistry of Solid Surfaces & The Key Laboratory for Chemical Biology of Fujian Province
- Department of Chemistry
- Xiamen University
- Xiamen
- P. R. China
| | - Bo Zhou
- State Key Laboratory for Physical Chemistry of Solid Surfaces & The Key Laboratory for Chemical Biology of Fujian Province
- Department of Chemistry
- Xiamen University
- Xiamen
- P. R. China
| | - Jian-Qiao Li
- State Key Laboratory for Physical Chemistry of Solid Surfaces & The Key Laboratory for Chemical Biology of Fujian Province
- Department of Chemistry
- Xiamen University
- Xiamen
- P. R. China
| | - Jin-Mei Zhou
- State Key Laboratory for Physical Chemistry of Solid Surfaces & The Key Laboratory for Chemical Biology of Fujian Province
- Department of Chemistry
- Xiamen University
- Xiamen
- P. R. China
| | - Long-Wu Ye
- State Key Laboratory for Physical Chemistry of Solid Surfaces & The Key Laboratory for Chemical Biology of Fujian Province
- Department of Chemistry
- Xiamen University
- Xiamen
- P. R. China
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22
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Xia Y, Liu X, Zheng H, Lin L, Feng X. Asymmetric Synthesis of 2,3‐Dihydropyrroles by Ring‐Opening/Cyclization of Cyclopropyl Ketones Using Primary Amines. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201407880] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yong Xia
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Haifeng Zheng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin (China)
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23
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Xia Y, Liu X, Zheng H, Lin L, Feng X. Asymmetric Synthesis of 2,3‐Dihydropyrroles by Ring‐Opening/Cyclization of Cyclopropyl Ketones Using Primary Amines. Angew Chem Int Ed Engl 2014; 54:227-30. [DOI: 10.1002/anie.201407880] [Citation(s) in RCA: 119] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2014] [Revised: 09/08/2014] [Indexed: 12/16/2022]
Affiliation(s)
- Yong Xia
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Haifeng Zheng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064 (China)
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin (China)
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