1
|
Synthetic application of oxiranecarbonitriles (microreview). Chem Heterocycl Compd (N Y) 2021. [DOI: 10.1007/s10593-021-02974-8] [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]
|
2
|
Davies SG, Fletcher AM, Greenaway CJ, Kennedy MS, Mayer C, Roberts PM, Thomson JE. Trading N and O. Part 4: Asymmetric synthesis of syn-β-substituted-α-amino acids. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.04.071] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
3
|
Zhang B, Han F, Wang L, Li D, Yang D, Yang X, Yang J, Li X, Zhao D, Wang R. Catalytic Asymmetric Michael Reaction of 5H-Oxazol-4-Ones with α,β-Unsaturated Acyl Imidazoles. Chemistry 2015; 21:17234-8. [DOI: 10.1002/chem.201503105] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 10/02/2015] [Indexed: 12/24/2022]
|
4
|
Geng H, Huang PQ. Versatile and chemoselective transformation of aliphatic and aromatic secondary amides to nitriles. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.03.094] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
5
|
Abstract
The hydration and hydrolysis of nitriles are valuable synthetic methods used to prepare carboxamides and carboxylic acids. However, chemical hydration and hydrolysis of nitriles involve harsh reaction conditions, have low selectivity, and generate large amounts of waste. Therefore, researchers have confined the scope of these reactions to simple nitrile substrates. However, biological transformations of nitriles are highly efficient, chemoselective, and environmentally benign, which has led synthetic organic chemists and biotechologists to study these reactions in detail over the last two decades. In nature, biological systems degrade nitriles via two distinct pathways: nitrilases catalyze the direct hydrolysis of nitriles to afford carboxylic acids with release of ammonia, and nitrile hydratases catalyze the conversion of nitriles into carboxamides, which then furnish carboxylic acids via hydrolysis in the presence of amidases. Researchers have subsequently developed biocatalytic methods into useful industrial processes for the manufacture of commodity chemicals, including acrylamide. Since the late 1990s, research by my group and others has led to enormous progress in the understanding and application of enantioselective biotransformations of nitriles in organic synthesis. In this Account, I summarize the important advances in enantioselective biotransformations of nitriles and amides, with a primary focus on research from my laboratory. I describe microbial whole-cell-catalyzed kinetic resolution of various functionalized nitriles, amino- and hydroxynitriles, and nitriles that contain small rings and the desymmetrization of prochiral and meso dinitriles and diamides. I also demonstrate how we can apply the biocatalytic protocol to synthesize natural products and bioactive compounds. These nitrile biotransformations offer an attractive and unique protocol for the enantioselective synthesis of polyfunctionalized organic compounds that are not readily obtainable by other methods. Nitrile substrates are readily available, and the mild reaction conditions are specific toward cyano and amido functional groups without interfering with other reactive functional groups. I anticipate that further advances in this field will lead to new and engineered nitrile-hydrolyzing enzymes or catalytic systems with improved activity and altered selectivity. These advances will broaden the scope of these transformations and their applications in organic synthesis.
Collapse
Affiliation(s)
- Mei-Xiang Wang
- MOE Key
Laboratory of Bioorganic
Phosphorus Chemistry and Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| |
Collapse
|
6
|
Ao YF, Wang DX, Zhao L, Wang MX. Synthesis of quaternary-carbon-containing and functionalized enantiopure pentanecarboxylic acids from biocatalytic desymmetrization of meso-cyclopentane-1,3-dicarboxamides. Chem Asian J 2014; 10:938-47. [PMID: 25331062 DOI: 10.1002/asia.201402913] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2014] [Indexed: 11/11/2022]
Abstract
Catalyzed by Rhodococcus erythropolis AJ270, a nitrile hydratase-amidase containing microbial whole-cell catalyst under mild conditions, enantioselective desymmetrizations of meso-cyclopentane-1,3-dicarbonitriles and cyclopentane-1,3-dicarboxamides were studied. Although the nitrile hydratase was found to exhibit high enzymatic activity, but low 1R enantioselectivity toward dinitriles, a number of 2,2-unsymmetrically substituted meso-cyclopentane-1,3-dicarboxamide substrates were converted by the 1S enantioselective amidase into quaternary carbon-bearing enantiopure (1S,2R,3R)-3-carbamoylcyclopentanecarboxylic acids in yields up to 94 %. The application of the method was demonstrated by convenient and practical transformations of the resulting (1S,2R,3R)-2-allyl-3-carbamoylcyclopentanecarboxylic acid derivatives into functionalized cyclopentane-fused δ-lactam and δ-lactone compounds.
Collapse
Affiliation(s)
- Yu-Fei Ao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (P.R. China)
| | | | | | | |
Collapse
|
7
|
Ao YF, Leng DH, Wang DX, Zhao L, Wang MX. Efficient synthesis of highly enantiopure β-lactam derivatives from biocatalytic transformations of amides and nitriles. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.05.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
8
|
Microbial transformation of nitriles to high-value acids or amides. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2014. [PMID: 19475377 DOI: 10.1007/10_2008_25] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register]
Abstract
Biotransformation of nitriles mediated by nitrile-amide converting enzymes has attracted considerable attention and developed tremendously in the recent years in China since it offers a valuable alternative to traditional chemical reaction which requires harsh conditions. As a result, an upsurge of these promising enzymes (including nitrile hydratase, nitrilase and amidase) has been taking place. This review aims at describing these enzymes in detail. A variety of microorganisms harboring nitrile-amide converting activities have been isolated and identified in China, some of which have already applied with moderate success. Currently, a wide range of high-value compounds such as aliphatic, alicyclic, aromatic and heterocyclic amides and their corresponding acids were provided by these nitrile-amide degrading organisms. Simultaneously, with the increasing demand of chiral substances, the enantioselectivity of the nitrilase superfamily is widely investigated and exploited in China, especially the bioconversion of optically active alpha-substituted phenylacetamides, acids and 2,2-dimethylcyclopropanecarboxamide and 2,2-dimethylcyclopropanecarboxylic acid by means of the catalysts exhibiting excellent stereoselectivity. Besides their synthetic value, the nitrile-amide converting enzymes also play an important role in environmental protection. In this context, cloning of the genes and expression of these enzymes are presented. In the near future in China, an increasing number of novel nitrile-amide converting organisms will be screened and their potential in the synthesis of useful acids and amides will be further exploited.
Collapse
|
9
|
Han Z, Yang W, Tan CH, Jiang Z. Organocatalytic Asymmetric Mannich Reactions of 5H-Oxazol-4-ones: Highly Enantio- and Diastereoselective Synthesis of Chiral α-Alkylisoserine Derivatives. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300135] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
10
|
Qiao B, An Y, Liu Q, Yang W, Liu H, Shen J, Yan L, Jiang Z. Organocatalytic asymmetric Michael addition of 5H-oxazol-4-ones to nitroolefins. Org Lett 2013; 15:2358-61. [PMID: 23642091 DOI: 10.1021/ol401062z] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The first organocatalytic asymmetric Michael addition of 5H-oxazol-4-ones to nitroolefins has been developed. In the presence of easily prepared L-tert-leucine-derived tertiary amine/thiourea catalyst, the Michael addition of 5H-oxazol-4-ones to nitroolefins proceeded in an excellent diastereo- and enantioselective manner (up to 99% ee and >19:1 dr). The Michael adducts obtained are valuable precursors for the synthesis of chiral α-alkyl-α-hydroxy carboxylic acid derivatives, which represent a series of versatile building blocks in many biologically active compounds.
Collapse
Affiliation(s)
- Baokun Qiao
- Institute of Chemical Biology and Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province, Henan University , Kaifeng, Henan, P. R. China, 475004, and Waksman Institute of Microbiology, Rutgers, the State University of New Jersey , Piscataway, New Jersey 08854, United States
| | | | | | | | | | | | | | | |
Collapse
|
11
|
Zhang LB, Wang DX, Zhao L, Wang MX. Synthesis and Application of Enantioenriched Functionalized α-Tetrasubstituted α-Amino Acids from Biocatalytic Desymmetrization of Prochiral α-Aminomalonamides. J Org Chem 2012; 77:5584-91. [DOI: 10.1021/jo3007122] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Li-Bing Zhang
- Beijing National Laboratory
for Molecular Sciences, CAS Key Laboratory of Molecular Recognition
and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - De-Xian Wang
- Beijing National Laboratory
for Molecular Sciences, CAS Key Laboratory of Molecular Recognition
and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Liang Zhao
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Mei-Xiang Wang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China
| |
Collapse
|
12
|
Chen P, Gao M, Wang DX, Zhao L, Wang MX. Enantioselective Biotransformations of Racemic and Meso Pyrrolidine-2,5-dicarboxamides and Their Application in Organic Synthesis. J Org Chem 2012; 77:4063-72. [DOI: 10.1021/jo300412j] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Peng Chen
- Beijing National Laboratory for Molecular
Sciences, CAS Key Laboratory of Molecular Recognition and Function,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Ming Gao
- Beijing National Laboratory for Molecular
Sciences, CAS Key Laboratory of Molecular Recognition and Function,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - De-Xian Wang
- Beijing National Laboratory for Molecular
Sciences, CAS Key Laboratory of Molecular Recognition and Function,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Liang Zhao
- MOST Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Mei-Xiang Wang
- MOST Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China
| |
Collapse
|
13
|
Lin L, Yin W, Fu X, Zhang J, Ma X, Wang R. Asymmetric cyanation of nitroalkenes catalyzed by a salen–titanium catalyst. Org Biomol Chem 2012; 10:83-9. [DOI: 10.1039/c1ob05899a] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
14
|
Microbial whole cell-catalyzed desymmetrization of prochiral malonamides: practical synthesis of enantioenriched functionalized carbamoylacetates and their application in the preparation of unusual α-amino acids. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.05.103] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
15
|
|
16
|
Li Z, Gevorgyan V. Double duty for cyanogen bromide in a cascade synthesis of cyanoepoxides. Angew Chem Int Ed Engl 2011; 50:2808-10. [PMID: 21387493 DOI: 10.1002/anie.201006966] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2010] [Revised: 01/12/2011] [Indexed: 11/07/2022]
Affiliation(s)
- Zhou Li
- Department of Chemistry, University of Illinois at Chicago, 60607, USA
| | | |
Collapse
|
17
|
Li Z, Gevorgyan V. Double Duty for Cyanogen Bromide in a Cascade Synthesis of Cyanoepoxides. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201006966] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zhou Li
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor St., Room 4500, Chicago, IL 60607 (USA), Fax: (+1) 312‐355‐0836 http://www.chem.uic.edu/vggroup
| | - Vladimir Gevorgyan
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor St., Room 4500, Chicago, IL 60607 (USA), Fax: (+1) 312‐355‐0836 http://www.chem.uic.edu/vggroup
| |
Collapse
|
18
|
Leng DH, Wang DX, Huang ZT, Wang MX. Highly efficient and enantioselective biotransformations of β-lactam carbonitriles and carboxamides and their synthetic applications. Org Biomol Chem 2010; 8:4736-43. [PMID: 20721414 DOI: 10.1039/c0ob00198h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Catalyzed by Rhodococcus erythropolis AJ270, a nitrile hydratase and amidase containing microbial whole cell catalyst, a number of racemic 1-arylmethyl- and 1-allyl-4-oxoazetidine-2-carbonitriles and carboxamides underwent efficient transformations under very mild conditions to produce enantiopure functionalized S-amide and R-acid products in excellent yields. While the nitrile hydratase showed good enzyme activity but virtually no enantioselectivity, the amidase displayed high R-enantioselectivity against almost all amide substrates tested. The synthetic applications of the resulting functionalized chiral β-lactam derivatives were demonstrated by the facile preparation of β-lactam-fused heterocyclic compounds.
Collapse
Affiliation(s)
- Dong-Hui Leng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | | | | | | |
Collapse
|
19
|
Zhang ZJ, Xu JH, He YC, Ouyang LM, Liu YY, Imanaka T. Efficient production of (R)-(−)-mandelic acid with highly substrate/product tolerant and enantioselective nitrilase of recombinant Alcaligenes sp. Process Biochem 2010. [DOI: 10.1016/j.procbio.2010.02.011] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
20
|
Li Q, Yang SB, Zhang Z, Li L, Xu PF. Diastereo- and Enantioselective Synthesis of β-Hydroxy-α-Amino Acids: Application to the Synthesis of a Key Intermediate for Lactacystin. J Org Chem 2009; 74:1627-31. [DOI: 10.1021/jo8023973] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qiong Li
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PRC
| | - Shao-Bo Yang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PRC
| | - Zhihui Zhang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PRC
| | - Lei Li
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PRC
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PRC
| |
Collapse
|
21
|
Yang L, Wang DX, Zheng QY, Pan J, Huang ZT, Wang MX. Highly efficient and concise synthesis of both antipodes of SB204900, clausenamide, neoclausenamide, homoclausenamide and ζ-clausenamide. Implication of biosynthetic pathways of clausena alkaloids. Org Biomol Chem 2009; 7:2628-34. [DOI: 10.1039/b901965k] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
22
|
Feng YS, Chen PC, Wen FS, Hsiao WY, Lee CM. Nitrile hydratase from Mesorhizobium sp. F28 and its potential for nitrile biotransformation. Process Biochem 2008. [DOI: 10.1016/j.procbio.2008.08.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
23
|
Zagozda M, Plenkiewicz J. Biotransformations of 2,3-epoxy-3-arylpropanenitriles by Debaryomyces hansenii and Mortierella isabellina cells. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.tetasy.2008.06.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
24
|
Ma DY, Wang DX, Pan J, Huang ZT, Wang MX. Nitrile Biotransformations for the Synthesis of Highly Enantioenriched β-Hydroxy and β-Amino Acid and Amide Derivatives: A General and Simple but Powerful and Efficient Benzyl Protection Strategy To Increase Enantioselectivity of the Amidase. J Org Chem 2008; 73:4087-91. [DOI: 10.1021/jo800074k] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Da-You Ma
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | - Jie Pan
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | - Zhi-Tang Huang
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | - Mei-Xiang Wang
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| |
Collapse
|
25
|
Solyanikova IP, Travkin VM, Rybkina DO, Plotnikova EG, Golovleva LA. Variability of enzyme system of Nocardioform bacteria as a basis of their metabolic activity. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2008; 43:241-252. [PMID: 18368545 DOI: 10.1080/03601230701771180] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The present review describes some aspects of organization of biodegradative pathways of Nocardioform microorganisms, first of all, with respect to their ability to degrade aromatic compounds, mostly methylbenzoate, chlorosubstituted phenols, and chlorinated biphenyls and the intermediates of their transformation: 4-chlorobenzoate and para-hydroxybenzoate. Various enzyme systems induced during degradation processes are defined. The ability of microorganisms to induce a few key enzymes under the influence of xenobiotics is described. This ability may increase the biodegradative potential of strains allowing them to survive in the changing environment or demonstrate to some extent the unspecific response of microorganisms to the effect of toxicants. Nocardioform microorganisms responsible for degradation of such persistent compounds as polychlorinated biphenyls, polyaromatic hydrocarbons, chlorinated benzoates and phenols and other xenobiotics are characterized. The possibility of using Nocardioform microorganisms in some aspects of biotechnology due to their ability to produce some compounds important for industry is also estimated.
Collapse
Affiliation(s)
- Inna P Solyanikova
- Skryabin' Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Moscow, Russia
| | | | | | | | | |
Collapse
|
26
|
Ma DY, Wang DX, Pan J, Huang ZT, Wang MX. Nitrile biotransformations for the synthesis of enantiomerically enriched β2-, and β3-hydroxy and -alkoxy acids and amides, a dramatic O-substituent effect of the substrates on enantioselectivity. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.tetasy.2008.01.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
27
|
Wang JY, Wang DX, Pan J, Huang ZT, Wang MX. Nitrile and Amide Biotransformations for the Synthesis of Enantiomerically Pure 3-Arylaziridine-2-carboxamide Derivatives and Their Stereospecific Ring-Opening Reactions. J Org Chem 2007; 72:9391-4. [DOI: 10.1021/jo701732h] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jin-Yuan Wang
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | - Jie Pan
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | - Zhi-Tang Huang
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | - Mei-Xiang Wang
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| |
Collapse
|
28
|
Song L, Wang M, Yang X, Qian S. Purification and characterization of the enantioselective nitrile hydratase from Rhodococcus sp. AJ270. Biotechnol J 2007; 2:717-24. [PMID: 17330219 DOI: 10.1002/biot.200600215] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Nitrile hydratase (NHase, EC 4.2.1.84) from Rhodococcus sp. AJ270 was purified with 23.96% yield after sonication, ammonium sulfate fractionation, ion exchange, hydrophobic and gel-filtration column chromatography. The enzyme showed intriguing characteristics: it hydrated not only aliphatic and heterocyclic nitriles but also aromatic ones. Some substrates were also hydrated enantioselectively to the corresponding amides. The enantiomeric excess (ee) value of the enzyme hydrating trans-2,2-dimethyl-3-phenylcyclopropanecarbonitrile was 84.7. The enzyme is composed of two subunits: an alpha subunit and beta subunit of 22 975 Da and 23 493 Da, respectively. The optimal temperature and pH for the catalytic reaction of the enzyme was 25 degrees C and pH 7.6. The enzyme activity of the purified NHase was strongly inhibited by some oxidizing agents and heavy metals.
Collapse
Affiliation(s)
- Liya Song
- State Key Laboratories of Transducer Technology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | | | | | | |
Collapse
|
29
|
Gao M, Wang DX, Zheng QY, Huang ZT, Wang MX. Remarkable Electronic and Steric Effects in the Nitrile Biotransformations for the Preparation of Enantiopure Functionalized Carboxylic Acids and Amides: Implication for an Unsaturated Carbon−Carbon Bond Binding Domain of the Amidase. J Org Chem 2007; 72:6060-6. [PMID: 17604398 DOI: 10.1021/jo070581b] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Biotransformations of various functionalized racemic nitriles catalyzed by Rhodococcus erythropolis AJ270, a nitrile hydratase/amidase-containing microbial whole-cell catalyst, were studied. While the nitrile hydratase exhibits high catalytic efficiency but very low enantioselectivity against almost all nitrile substrates examined, the amidase is very sensitive toward the structure of the amides. The release of the steric crowdedness around the stereocenter of the substrates and the introduction of an unsaturated carbon-carbon bond into the substrates led to the significant acceleration of the reaction rate and the dramatic enhancement of the enantioselectivity. Nitrile biotransformations provide a unique and high-yielding synthetic route to highly enantiopure carboxylic acids and amides functionalized with an allyl, propargyl, allenyl, or vinyl group. The synthetic applications have been demonstrated by the synthesis of enantiopure heterocyclic compounds including iodoenol gamma-lactone, gamma-lactam, and 3-allyl-1-phenyl-3,4-dihydro-1H-quinolin-2-one derivatives.
Collapse
Affiliation(s)
- Ming Gao
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | | | | | | | | |
Collapse
|
30
|
Yang L, Deng G, Wang DX, Huang ZT, Zhu JP, Wang MX. Highly efficient and stereoselective N-vinylation of oxiranecarboxamides and unprecedented 8-endo-epoxy-arene cyclization: expedient and biomimetic synthesis of some Clausena alkaloids. Org Lett 2007; 9:1387-90. [PMID: 17335229 DOI: 10.1021/ol070292+] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
[structure: see text]. Catalyzed by CuI/N,N-dimethylglycine, oxiranecarboxamides underwent a highly efficient and stereoselective N-vinylation reaction with (Z)-1-aryl-2-bromoethenes to afford the corresponding enamides. The method has been applied to a straightforward synthesis of (-)-(2R,3S)-SB204900, the enantiomer of the natural product. Following a hypothetic biomimetic pathway, both (+)-(5R,6S)-xi-Clausenamide and (-)-(5R,6S)-balasubramide have been efficiently synthesized for the first time through the unprecedented intramolecular 8-endo-epoxy-arene cyclization of (Z)-N-(phenylvinyl)oxiranecarboxamides.
Collapse
Affiliation(s)
- Luo Yang
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
| | | | | | | | | | | |
Collapse
|
31
|
Cativiela C, Díaz-de-Villegas MD. Recent progress on the stereoselective synthesis of acyclic quaternary α-amino acids. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.tetasy.2007.02.003] [Citation(s) in RCA: 290] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
32
|
Peplowski L, Kubiak K, Nowak W. Insights into catalytic activity of industrial enzyme Co-nitrile hydratase. Docking studies of nitriles and amides. J Mol Model 2007; 13:725-30. [PMID: 17333306 DOI: 10.1007/s00894-007-0181-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2006] [Accepted: 01/29/2007] [Indexed: 12/01/2022]
Abstract
Nitrile hydratase (NHase) is an enzyme containing non-corrin Co3+ in the non-standard active site. NHases from Pseudonocardia thermophila JCM 3095 catalyse hydration of nitriles to corresponding amides. The efficiency of the enzyme is 100 times higher for aliphatic nitriles then aromatic ones. In order to understand better this selectivity dockings of a series of aliphatic and aromatic nitriles and related amides into a model protein based on an X-ray structure were performed. Substantial differences in binding modes were observed, showing better conformational freedom of aliphatic compounds. Distinct interactions with postranslationally modified cysteines present in the active site of the enzyme were observed. Modeling shows that water molecule activated by a metal ion may easily directly attack the docked acrylonitrile to transform this molecule into acryloamide. Thus docking studies provide support for one of the reaction mechanisms discussed in the literature.
Collapse
Affiliation(s)
- Lukasz Peplowski
- Theoretical Molecular Biophysics Group, Institute of Physics, N. Copernicus University, Grudziadzka 5, 87-100, Torun, Poland
| | | | | |
Collapse
|
33
|
Wang JY, Wang DX, Zheng QY, Huang ZT, Wang MX. Nitrile Biotransformations for the Efficient Synthesis of Highly Enantiopure 1-Arylaziridine-2-carboxylic Acid Derivatives and Their Stereoselective Ring-Opening Reactions. J Org Chem 2007; 72:2040-5. [PMID: 17286438 DOI: 10.1021/jo062339v] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Catalyzed by the Rhodococcus erythropolis AJ270 whole cell catalyst under very mild conditions, biotransformations of racemic 1-arylaziridine-2-carbonitriles proceeded efficiently and enantioselectively to produce highly enantiopure S-1-arylaziridine-2-carboxamides and R-1-arylaziridine-2-carboxylic acids in excellent yields. Although the nitrile hydratase exhibits no selectivity against all nitrile substrates, the amidase is highly R-enantioselective towards 1-arylaziridine-2-carboxamides. When treated with benzyl bromide, 1-phenylaziridine-2S-carboxamide underwent a highly regioselective and enantiospecific ring-opening reaction to afford an almost quantitative yield of R-beta-[(benzyl)phenylamino]-alpha-bromopropanamide (C-2 attack) and R-alpha-[(benzyl)phenylamino]-beta-bromopropanamide (C-3 attack) in a 10.5:1 ratio. Further treatment of the resulting ring-opening products with an N-nucleophilic reagent such as amine and azide led to, through most probably the aziridinium intermediate, the formation of S-alpha-substituted-beta-[(benzyl)phenylamino]propanamides in good chemical yields with high enantiomeric purity.
Collapse
Affiliation(s)
- Jin-Yuan Wang
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | | | | | | | | |
Collapse
|
34
|
Gao M, Wang DX, Zheng QY, Wang MX. An Unusual β-Vinyl Effect Leading to High Efficiency and Enantioselectivity of the Amidase, Nitrile Biotransformations for the Preparation of Enantiopure 3-Arylpent-4-enoic Acids and Amides and Their Applications in Synthesis. J Org Chem 2006; 71:9532-5. [PMID: 17137391 DOI: 10.1021/jo061664f] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Biotransformations of 3-arylpent-4-enenitriles catalyzed by Rhodococcus erythropolis AJ270, a nitrile hydratase/amidase-containing microbial whole-cell catalyst were studied, and an unusual beta-vinyl effect of the substrate on the biocatalytic efficiency and enantioselectivity of the amidase was observed. While 3-arylpent-4-enenitriles and 3-phenylpentanenitrile were efficiently hydrated by the action of the less R-enantioselective nitrile hydratase, the amidase showed greater activity and higher enantioselectivity against 3-arylpent-4-enoic acid amides than 3-arylpentanoic acid amides. Under very mild conditions, nitrile biotransformations provided an efficient synthesis of highly enantiopure (R)-3-arylpent-4-enoic acids and (S)-3-arylpent-4-enoic acid amides, and their applications were demonstrated by the synthesis of chiral gamma-amino acid, 2-pyrrolidinone, and 2-azepinone derivatives.
Collapse
Affiliation(s)
- Ming Gao
- Beijing National Laboratory for Molecular Sciences, Laboratory of Chemical Biology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | | | | | | |
Collapse
|
35
|
Liu J, Wang DX, Zheng QY, Wang MX. Biocatalytic Synthesis of Highly Enantiopure 1,4-Benzodioxane-2-carboxylic Acid and Amide. CHINESE J CHEM 2006. [DOI: 10.1002/cjoc.200690312] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
36
|
Chemoenzymatic synthesis of enantiopure geminally dimethylated cyclopropane-based C2- and pseudo-C2-symmetric diamines. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/j.tetasy.2006.10.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
37
|
Nitrile biotransformations for the practical synthesis of highly enantiopure azido carboxylic acids and amides, ‘click’ to functionalized chiral triazoles and chiral β-amino acids. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/j.tetasy.2006.08.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
38
|
Ma DY, Zheng QY, Wang DX, Wang MX. Dramatic Enhancement of Enantioselectivity of Biotransformations of β-Hydroxy Nitriles Using a Simple O-Benzyl Protection/Docking Group. Org Lett 2006; 8:3231-4. [PMID: 16836373 DOI: 10.1021/ol0610688] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
[Structure: see text] Catalyzed by the Rhodococcus erythropolis AJ270 whole cell catalyst, the O-benzylated beta-hydroxy alkanenitriles underwent remarkably high enantioselective biotransformations, whereas the biotransformations of free beta-hydroxy alkanenitriles gave very low enantioselectivity. The easy manipulations of O-protection and O-deprotection, excellent chemical and enantiomeric yields of biotransformations, along with the scalability render this enzymatic transformation attractive and practical for the synthesis of highly enantiopure beta-hydroxy alkanoic acids and their amide derivatives.
Collapse
Affiliation(s)
- Da-You Ma
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | | | | | | |
Collapse
|
39
|
Immobilization of Rhodococcus sp. AJ270 in alginate capsules and its application in enantioselective biotransformation of trans-2-methyl-3-phenyl-oxiranecarbonitrile and amide. Enzyme Microb Technol 2006. [DOI: 10.1016/j.enzmictec.2005.01.044] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|