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Momo PB, Mizobuchi EF, Echemendía R, Baddeley I, Grayson MN, Burtoloso ACB. Organocatalytic Enantioselective Sulfa-Michael Additions to α,β-Unsaturated Diazoketones. J Org Chem 2022; 87:3482-3490. [PMID: 35179890 DOI: 10.1021/acs.joc.1c03045] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Enantioselective sulfa-Michael additions to α,β unsaturated diazocarbonyl compounds have been developed. Quinine-derived squaramide was found to be the best catalyst to promote C-S bond formation in a highly stereoselective fashion for alkyl and aryl thiols. The easy-to-follow protocol allowed the preparation of 22 examples in enantiomeric ratios up to 97:3 and reaction yields up to 94%. The mechanism and origins of enantioselectivity were determined through density functional theory (DFT) calculations.
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Affiliation(s)
- Patricia B Momo
- Institute of Chemistry of São Carlos, University of São Paulo, São Carlos, São Paulo CEP 13560-970, Brazil
| | - Eduardo F Mizobuchi
- Institute of Chemistry of São Carlos, University of São Paulo, São Carlos, São Paulo CEP 13560-970, Brazil
| | - Radell Echemendía
- Institute of Chemistry of São Carlos, University of São Paulo, São Carlos, São Paulo CEP 13560-970, Brazil
| | - Isabel Baddeley
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K
| | - Matthew N Grayson
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K
| | - Antonio C B Burtoloso
- Institute of Chemistry of São Carlos, University of São Paulo, São Carlos, São Paulo CEP 13560-970, Brazil
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2
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Dequina HJ, Nicastri KA, Schomaker JM. Additions of N, O, and S heteroatoms to metal-supported carbenes: Mechanism and synthetic applications in modern organic chemistry. Advances in Organometallic Chemistry 2021. [DOI: 10.1016/bs.adomc.2021.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Bernardim B, Dunsmore L, Li H, Hocking B, Nuñez-Franco R, Navo CD, Jiménez-Osés G, Burtoloso ACB, Bernardes GJL. Precise Installation of Diazo-Tagged Side-Chains on Proteins to Enable In Vitro and In-Cell Site-Specific Labeling. Bioconjug Chem 2020; 31:1604-1610. [DOI: 10.1021/acs.bioconjchem.0c00232] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Barbara Bernardim
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Lavinia Dunsmore
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - He Li
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Brad Hocking
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Reyes Nuñez-Franco
- Computational Chemistry Lab, CIC bioGUNE-BRTA, Derio, Bizkaia, 48160, Spain
| | - Claudio D. Navo
- Computational Chemistry Lab, CIC bioGUNE-BRTA, Derio, Bizkaia, 48160, Spain
| | | | - Antonio C. B. Burtoloso
- Instituto de Química de São Carlos, Universidade de São Paulo, Avenida Joao Dagnone, 1100, CEP 13563-120, São Carlos, São Paolo, Brazil
| | - Gonçalo J. L. Bernardes
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, 1649-028, Lisboa, Portugal
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Santiago J, Burtoloso ACB. Synthesis of Fused Bicyclic [1,2,3]-Triazoles from γ-Amino Diazoketones. ACS Omega 2019; 4:159-168. [PMID: 31459321 PMCID: PMC6648081 DOI: 10.1021/acsomega.8b02764] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 12/18/2018] [Indexed: 06/10/2023]
Abstract
Triazoles are an important class of N-heterocycles that are well known for their broad biological activities. In this work, we would like to demonstrate a direct synthesis of the rare fused bicyclic [1,2,3]-triazoles, employing γ-N-protected amino diazoketones as useful synthetic platforms. The strategy was based on the deprotection of a trifluoroacetamide group for the intramolecular and in situ generation of an α-diazo imine intermediate, followed by a 5-endo-dig cyclization to construct the bicyclic unit. In this fashion, the synthesis of a series of fused bicyclic [1,2,3]-triazoles could be carried out in good to excellent yields (63-95%).
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Abstract
Insertion reactions of diazo carbonyls to azlactones in basic conditions have been performed. The developed method allows the preparation of a wide range of oxazole derivatives in yields ranging from 74 to 98%. Different substituents on both azlactone rings and diazo carbonyls do not compromise the methodology, even those containing stereogenic centers. Isotopic labeling experiments revealed the mechanism may proceed through a rare diazo carbonyl activation by an ammonium salt derivative.
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Affiliation(s)
- Amanda C de Mello
- Department of Chemistry , Federal University of Juiz de Fora , 36036-900 Juiz de Fora , MG , Brazil
| | - Patrícia B Momo
- Institute of Chemistry of São Carlos , University of São Paulo , 13560-970 São Carlos , SP , Brazil
| | - Antonio C B Burtoloso
- Institute of Chemistry of São Carlos , University of São Paulo , 13560-970 São Carlos , SP , Brazil
| | - Giovanni W Amarante
- Department of Chemistry , Federal University of Juiz de Fora , 36036-900 Juiz de Fora , MG , Brazil
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6
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Affiliation(s)
- João Victor Santiago
- Instituto de Química de São Carlos; Universidade de São Paulo; CEP 13560- 970 São Carlos, SP Brazil
| | - Antonio C. B. Burtoloso
- Instituto de Química de São Carlos; Universidade de São Paulo; CEP 13560- 970 São Carlos, SP Brazil
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Abstract
In this overview, we present our analysis of the future of organic synthesis in Brazil, a highly innovative and strategic area of research which underpins our social and economical progress. Several different topics (automation, catalysis, green chemistry, scalability, methodological studies and total syntheses) were considered to hold promise for the future advance of chemical sciences in Brazil. In order to put it in perspective, contributions from Brazilian laboratories were selected by the citations received and importance for the field and were benchmarked against some of the most important results disclosed by authors worldwide. The picture that emerged reveals a thriving area of research, with new generations of well-trained and productive chemists engaged particularly in the areas of green chemistry and catalysis. In order to fulfill the promise of delivering more efficient and sustainable processes, an integration of the academic and industrial research agendas is to be expected. On the other hand, academic research in automation of chemical processes, a well established topic of investigation in industrial settings, has just recently began in Brazil and more academic laboratories are lining up to contribute. All these areas of research are expected to enable the future development of the almost unchartered field of scalability.
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BURTOLOSO ANTONIOC, MOMO PATRÍCIAB, NOVAIS GRAZIELEL. Traditional and New methods for the Preparation of Diazocarbonyl Compounds. ACTA ACUST UNITED AC 2018; 90:859-893. [DOI: 10.1590/0001-3765201820170768] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 11/16/2017] [Indexed: 12/14/2022]
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Dias RM, Momo PB, Burtoloso AC. One-step syntheses of substituted 2-pyrrolidinones and 3-pyrrolidinones from α,β-unsaturated diazoketones and amines. Application in the synthesis of barmumycin. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.05.040] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Kawamura MY, Talero AG, Santiago JV, Garambel-Vilca E, Rosset IG, Burtoloso ACB. Six-Step Syntheses of (-)-1-Deoxyaltronojirimycin and (+)-1-Deoxymannonojirimycin from N-Z-O-TBDPS-l-serinal. J Org Chem 2016; 81:10569-10575. [PMID: 27501028 DOI: 10.1021/acs.joc.6b01575] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Highly stereoselective six-step syntheses of (-)-1-deoxyaltronojirimycin (altro-DNJ) and (+)-1-deoxymannojirimycin (manno-DNJ) from N-Cbz-O-TBDPS-l-serinal are described. Key transformations involve a two-step preparation of a functionalized dihydropyridin-3-one as a common intermediate followed by Luche reduction and dihydroxylation (for altro-DNJ). The same sequence employing an epoxidation/epoxide opening in place of dihydroxylation furnishes manno-DNJ.
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Affiliation(s)
- Meire Y Kawamura
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
| | - Alexánder G Talero
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
| | - João V Santiago
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
| | - Edson Garambel-Vilca
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
| | - Isac G Rosset
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
| | - Antonio C B Burtoloso
- Instituto de Química de São Carlos, Universidade de São Paulo , CEP 13560-970, São Carlos, SP, Brazil
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Zhu Y, Lü S, Ma X, Zhang L, Luo L, Jia X. Carbonylation of Csp 3
−H Bonds through Oxidative Wittig-Type Reaction: An Unprecedented Version of Wittig Reaction. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600055] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yingzu Zhu
- College of Chemistry and Chemical Engineering; Northwest Normal University; Anning East Road 967 Lanzhou Gansu 730070 China
| | - Shiwei Lü
- College of Chemistry and Chemical Engineering; Northwest Normal University; Anning East Road 967 Lanzhou Gansu 730070 China
| | - Xingge Ma
- College of Chemistry and Chemical Engineering; Northwest Normal University; Anning East Road 967 Lanzhou Gansu 730070 China
| | - Liang Zhang
- College of Chemistry and Chemical Engineering; Northwest Normal University; Anning East Road 967 Lanzhou Gansu 730070 China
| | - Liangliang Luo
- College of Chemistry and Chemical Engineering; Northwest Normal University; Anning East Road 967 Lanzhou Gansu 730070 China
| | - Xiaodong Jia
- College of Chemistry and Chemical Engineering; Northwest Normal University; Anning East Road 967 Lanzhou Gansu 730070 China
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Affiliation(s)
| | - Hugues Miel
- Almac Discovery Ltd. , David Keir Building, Stranmillis Road, Belfast BT9 5AG, United Kingdom
| | | | | | | | - M Anthony McKervey
- Almac Sciences Ltd. , Almac House, 20 Seagoe Industrial Estate, Craigavon BT63 5QD, United Kingdom
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Abstract
Among the different types of diazocarbonyl substrates found in the literature to date, α,β-unsaturated diazoketones have proven to be very promising as multifunctional intermediates. Possessing a diazo group, a ketone function and a double bond all together in a single molecule, these compounds constitute versatile building blocks for synthesis. For example, double bond functionalization, followed by intramolecular insertion reactions, can be a short alternative to prepare several rings or heterocyclic compounds. Although there are many efficient methods to prepare diazoketones, very few can be extended to the synthesis of the a,β-unsaturated diazoketones; this is likely responsible for their limited application in synthesis. Unfortunately, the classical methods to prepare saturated- or aryl-diazoketones (acylation of diazomethane with acyl chlorides or mixed anhydrides) are not suitable for preparing a,β-unsaturated diazoketones, since pyrazolines (dipolar cycloaddition products from the reaction between diazomethane and the double bond) are formed. Although Danheiser's two-step detrifluoroacetylative procedure (starting from a,β-unsaturated methyl ketones) is considered the best general method, it cannot be applied to the synthesis of all types of a,β-unsaturated diazoketones. For example, the synthesis of more complex unsaturated diazoketones, as well as those with epimerizable stereocenters in the γ position, was never described before. Another point is related to the geometry of the double bond, since practically all examples described thus far refer to unsaturated diazoketones with E geometry. In recent years, our research group developed two new Horner-Wadsworth-Emmons reagents (containing a diazocarbonyl function) that could be easily applied in the one-step preparation of α,β-unsaturated diazoketones from aldehydes. Not only were we able to selectively synthesize E- and Z-unsaturated diazoketones, but also to employ these useful platforms in the short synthesis of several nitrogen heterocycles such as indolizidines, quinolizidines, piperidines, and pyrrolidines. Our purpose in this Account is to introduce this class of diazoketone and provide a brief historical overview, culminating in how we developed a general methodology to prepare them. In continuation, we wish to call of the reader's attention to these important building blocks, showing how we could apply them to the synthesis of several nitrogen heterocycles, including the very short preparation of some popular alkaloids. The reader will also notice that the combination of these three important functions in the same molecule makes these compounds special as well as provides powerful platforms to access many important molecules in a direct fashion.
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Affiliation(s)
- Antonio C. B. Burtoloso
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970 São Carlos, SP, Brazil
| | - Rafael M. P. Dias
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970 São Carlos, SP, Brazil
| | - Barbara Bernardim
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970 São Carlos, SP, Brazil
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Medvedev JJ, Galkina OS, Klinkova AA, Giera DS, Hennig L, Schneider C, Nikolaev VA. Domino [4 + 1]-annulation of α,β-unsaturated δ-amino esters with Rh(II)-carbenoids – a new approach towards multi-functionalized N-aryl pyrrolidines. Org Biomol Chem 2015; 13:2640-51. [PMID: 25582707 DOI: 10.1039/c4ob02454k] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Catalytic decomposition of diazomalonates and other diazoesters using Rh(II)- and Cu(II)-complexes in the presence of α,β-unsaturated δ-(N-aryl)amino esters gives rise to the formation of multi-functionalized pyrrolidines with yields of up to 82%. The reaction apparently occurs as a domino process involving the initial N-ylide formation followed by intramolecular Michael addition to the conjugated system of amino esters to afford the pyrrolidine heterocycle. The whole process can also be classified as a [4 + 1]-annulation of the δ-amino α,β-unsaturated ester with the carbenoid intermediate.
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Affiliation(s)
- J J Medvedev
- Saint-Petersburg State University, University Prosp. 26, St.-Petersburg 198504, Russia.
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Affiliation(s)
- Isac G. Rosset
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP Brazil
| | - Rafael M. P. Dias
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP Brazil
| | - Vagner D. Pinho
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP Brazil
| | - Antonio C. B. Burtoloso
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP Brazil
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Shu C, Li L, Yu YF, Jiang S, Ye LW. Gold-catalyzed intermolecular oxidation of chiral homopropargyl sulfonamides: a reliable access to enantioenriched pyrrolidin-3-ones. Chem Commun (Camb) 2014; 50:2522-5. [DOI: 10.1039/c3cc49238a] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A gold-catalyzed intermolecular oxidation of chiral homopropargyl sulfonamides has been developed, which provides a reliable access to synthetically useful chiral pyrrolidin-3-ones with excellent ee by combining the chiral tert-butylsulfinimine chemistry and gold catalysis.
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Affiliation(s)
- Chao Shu
- State Key Laboratory for Physical Chemistry of Solid Surfaces
- The Key Laboratory for Chemical Biology of Fujian Province and Department of Chemistry
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen, PR China
| | - Long Li
- State Key Laboratory for Physical Chemistry of Solid Surfaces
- The Key Laboratory for Chemical Biology of Fujian Province and Department of Chemistry
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen, PR China
| | - Yong-Fei Yu
- State Key Laboratory for Physical Chemistry of Solid Surfaces
- The Key Laboratory for Chemical Biology of Fujian Province and Department of Chemistry
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen, PR China
| | - Shuang Jiang
- State Key Laboratory for Physical Chemistry of Solid Surfaces
- The Key Laboratory for Chemical Biology of Fujian Province and Department of Chemistry
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen, PR China
| | - Long-Wu Ye
- State Key Laboratory for Physical Chemistry of Solid Surfaces
- The Key Laboratory for Chemical Biology of Fujian Province and Department of Chemistry
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen, PR China
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Rosset IG, Burtoloso ACB. Preparation of Z-α,β-Unsaturated Diazoketones from Aldehydes. Application in the Construction of Substituted Dihydropyridin-3-ones. J Org Chem 2013; 78:9464-70. [DOI: 10.1021/jo401191s] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Isac G. Rosset
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP, Brazil
| | - Antonio C. B. Burtoloso
- Instituto de Química
de São Carlos, Universidade de São Paulo, CEP 13560-970, São Carlos, SP, Brazil
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Bernardim B, Pinho VD, Burtoloso ACB. α,β-Unsaturated Diazoketones as Platforms in the Asymmetric Synthesis of Hydroxylated Alkaloids. Total Synthesis of 1-Deoxy-8,8a-diepicastanospermine and 1,6-Dideoxyepicastanospermine and Formal Synthesis of Pumiliotoxin 251D. J Org Chem 2012; 77:9926-31. [DOI: 10.1021/jo301967w] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Barbara Bernardim
- Instituto de Química de São Carlos, Universidade de São Paulo, CEP 13560-970, São
Carlos, SP, Brazil
| | - Vagner D. Pinho
- Instituto de Química de São Carlos, Universidade de São Paulo, CEP 13560-970, São
Carlos, SP, Brazil
| | - Antonio C. B. Burtoloso
- Instituto de Química de São Carlos, Universidade de São Paulo, CEP 13560-970, São
Carlos, SP, Brazil
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Pinho VD, Burtoloso AC. Total synthesis of (−)-indolizidine 167B via an unusual Wolff rearrangement from an α,β-unsaturated diazoketone. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2011.12.029] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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