1
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Dar'in D, Kantin G, Glushakova D, Sharoyko V, Krasavin M. Diazo Tetramic Acids Provide Access to Natural-Like Spirocyclic Δ α,β-Butenolides through Rh(II)-Catalyzed O-H Insertion/Base-Promoted Cyclization. J Org Chem 2023. [PMID: 36603207 DOI: 10.1021/acs.joc.2c02600] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
3-Diazotetramic acids were found to be valid substrates for the recently discovered approach toward natural-like Δα,β-spirobutenolides via Rh(II)-catalyzed O-H insertion into propiolic acids followed by base-promoted intramolecular Michael addition. The target Δα,β-spirobutenolides were obtained in generally high yields and, in the case of chiral 5-monosubstituted 3-diazotetramic acids, high diastereoselectivity. The synthesis of Δα,β-spirobutenolides that we report here was virtually insensitive to the structure of the propiolic acids though it was somewhat sensitive to the structure of the 3-diazotetramic acids, thereby demonstrating quite a large scope. Thus, a new class of α-diazocarbonyl compounds suitable for the realization of the approach outlined above was identified.
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Affiliation(s)
- Dmitry Dar'in
- Institute of Chemistry, Saint Petersburg State University, 26 Universitetsky prospekt, Peterhof 198504 Russia
| | - Grigory Kantin
- Institute of Chemistry, Saint Petersburg State University, 26 Universitetsky prospekt, Peterhof 198504 Russia
| | - Daria Glushakova
- Institute of Chemistry, Saint Petersburg State University, 26 Universitetsky prospekt, Peterhof 198504 Russia
| | - Vladimir Sharoyko
- Institute of Chemistry, Saint Petersburg State University, 26 Universitetsky prospekt, Peterhof 198504 Russia
- The Pavlov First Medical University, 6-8 Lva Tolstogo ulitsa, Saint Petersburg 197022, Russia
| | - Mikhail Krasavin
- Institute of Chemistry, Saint Petersburg State University, 26 Universitetsky prospekt, Peterhof 198504 Russia
- Immanuel Kant Baltic Federal University, 14 Aleksandra Nevskogo ulitsa, Kaliningrad 236041, Russia
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2
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Bagherinejad A, Alizadeh A. A review of the synthetic strategies toward spirobarbiturate-fused 3- to 7-membered rings. Org Biomol Chem 2022; 20:7188-7215. [PMID: 36070341 DOI: 10.1039/d2ob01326f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Spiro-connected hexahydropyrimidine-2,4,6-trione heterocyclic rings have received increasing attention from the viewpoint of biological activity and synthetic methods due to the importance of the rigid heterocyclic system and unique orientation of the functional substituents. Since 1900, numerous studies have exploited the synthesis of various spirobarbiturate-fused carbo- and heterocycles by applying different strategies. Due to the importance of barbiturate-based olefins as activated alkenes, these substrates have been utilized in many reactions. In addition, the nucleophilic addition of 1,3-disubstituted barbituric acid to different electrophiles has been applied to prepare highly functionalized spirobarbiturate scaffolds. This short review highlights various strategies for synthesizing spirobarbiturate-fused 3- to 7-membered carbo- and heterocyclic rings and some catalytic diastereoselective and enantioselective chemical reactions to access chiral compounds. The sections are divided by the incorporation of 3- to 7-membered heterocyclic or carbocyclic rings into a spirobarbiturate scaffold, and are presented in different subsections depending on the mechanistic details.
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Affiliation(s)
- Akram Bagherinejad
- Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran.
| | - Abdolali Alizadeh
- Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran.
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3
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Ganguly S, Bhakta S, Ghosh T. Gold‐Catalyzed Synthesis of Spirocycles: Recent Advances. ChemistrySelect 2022. [DOI: 10.1002/slct.202201407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Somnath Ganguly
- Department of Applied Chemistry Maulana Abul Kalam Azad University of Technology Simhat, Haringhata 741249, Nadia West Bengal India
| | - Sayantika Bhakta
- Department of Applied Chemistry Maulana Abul Kalam Azad University of Technology Simhat, Haringhata 741249, Nadia West Bengal India
| | - Tapas Ghosh
- Department of Applied Chemistry Maulana Abul Kalam Azad University of Technology Simhat, Haringhata 741249, Nadia West Bengal India
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4
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Pinaud M, Huet E, Presset M, Le Gall E. Straightforward Synthesis of Spirocyclic Tetrahydrofurans by a Reductive MCR/Iodoetherification Sequence. J Org Chem 2022; 87:4971-4980. [PMID: 35312313 DOI: 10.1021/acs.joc.1c03034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A straightforward and modular sequence for the synthesis of substituted spirocyclic tetrahydrofurans is described. The strategy relies on a reductive cobalt-catalyzed three-component reaction between a cyclic ketone, an acrylate, and a vinylic bromide followed by an intramolecular iodoetherification of the resulting γ-hydroxyalkene. Some functional group interconversions allowed the preparation of more varied spirocyclic compounds.
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Affiliation(s)
- Marine Pinaud
- Université Paris Est Créteil, CNRS, ICMPE, UMR 7182, 2 rue Henri Dunant, 94320 Thiais, France
| | - Eric Huet
- Université Paris Est Créteil, TRePCa, 94010 Créteil, France
| | - Marc Presset
- Université Paris Est Créteil, CNRS, ICMPE, UMR 7182, 2 rue Henri Dunant, 94320 Thiais, France
| | - Erwan Le Gall
- Université Paris Est Créteil, CNRS, ICMPE, UMR 7182, 2 rue Henri Dunant, 94320 Thiais, France
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5
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Long Y, Wang Y, Chen YY, Han WY, Wan NW, Yuan WC, Chen YZ, Cui BD. Copper-Catalyzed [5 + 1] Cyclization of o-Pyrrolo Anilines and Heterocyclic N-Tosylhydrazones for Access to Spiro-dihydropyrrolo[1,2- a]quinoxaline Derivatives. J Org Chem 2022; 87:4112-4123. [PMID: 35258307 DOI: 10.1021/acs.joc.1c02909] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
An inexpensive copper-catalyzed sequential reaction process, proceeding via a nucleophilic attack of amine to Cu-carbene generated in situ from heterocyclic N-tosylhydrazone precursors followed by a 1,2-H shift/oxidative cyclization cascade of N-ylides, has been described, smoothly generating the corresponding structurally various spiro-dihydropyrrolo[1,2-a]quinoxaline derivatives. Furthermore, the significance of this protocol can be also highlighted by its diverse conversions of the synthetic compounds to the potentially bioactive molecules such as the 2-substituted pyrrolo[1,2-a]quinoxalins.
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Affiliation(s)
- Yan Long
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China.,Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Yun Wang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China.,Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Yue-You Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China.,Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Wen-Yong Han
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China.,Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Nan-Wei Wan
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China.,Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Wei-Cheng Yuan
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Yong-Zheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China.,Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Bao-Dong Cui
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China.,Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
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6
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Bain AI, Chinthapally K, Hunter AC, Sharma I. Dual Catalysis in Rhodium (II) Carbenoid Chemistry. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101419] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Anae I Bain
- University of Oklahama Norman Campus: The University of Oklahoma Chemistry and Biochemistry UNITED STATES
| | - Kiran Chinthapally
- University of Oklahama Norman Campus: The University of Oklahoma Chemistry and Biochemistry UNITED STATES
| | - Arianne C. Hunter
- University of Oklahama Norman Campus: The University of Oklahoma Chemistry and Biochemistry UNITED STATES
| | - Indrajeet Sharma
- University of Oklahoma Chemistry and Biochemistry Stephenson Life Sciences Research Center101 Stephenson Parkway 73019-5251 Norman UNITED STATES
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7
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Bhat A, Tucker N, Lin JB, Grover H. Stereoselective copper-catalyzed heteroarene C-H functionalization/Michael-type annulation cascade with α-diazocarbonyls. Chem Commun (Camb) 2021; 57:10556-10559. [PMID: 34557880 DOI: 10.1039/d1cc04590c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A stereoselective, copper-catalyzed, arene C(sp2)-H functionalization/Michael-type annulation reaction involving α-diazocarbonyl compounds has been developed. The method features low catalyst loadings, high yields, and excellent regio and stereoselectivity, in the synthesis of various heteroaromatic frameworks by employing indoles as the arene partner.
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Affiliation(s)
- Aabid Bhat
- Department of Chemistry, Memorial University of Newfoundland, St. John's, Newfoundland, A1B 3X7, Canada.
| | - Nathan Tucker
- Department of Chemistry, Memorial University of Newfoundland, St. John's, Newfoundland, A1B 3X7, Canada.
| | - Jian-Bin Lin
- C-CART, CREAIT Network, Memorial University of Newfoundland, St. John's, Newfoundland, A1B 3X7, Canada
| | - Huck Grover
- Department of Chemistry, Memorial University of Newfoundland, St. John's, Newfoundland, A1B 3X7, Canada.
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8
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Li Y, Jie J, Li H, Yang H, Fu H. Synthesis of Spirotetrahydrofuran Oxindoles via Palladium-Catalyzed [4 + 1] Cycloaddition of Diphenyl 2-Oxoindolin-3-yl Phosphates and 2-Methylidenetrimethylene Carbonate. Org Lett 2021; 23:6499-6503. [PMID: 34342464 DOI: 10.1021/acs.orglett.1c02306] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel palladium-catalyzed [4 + 1] cycloaddition to give spirotetrahydrofuran oxindoles has been developed, in which diphenyl 2-oxoindolin-3-yl phosphates were used as the both electrophilic and nucleophilic C1 synthons at C-3 of the oxindole unit and 2-methylidenetrimethylene carbonate was used as the 1,4-dipole. The cycloannulation was performed at room temperature and provided the corresponding spirotetrahydrofuran oxindoles in good to excellent yields. The present method affords a new strategy for the construction of spirooxindole derivatives with unique three-dimensional structures.
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Affiliation(s)
- Yuming Li
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Jiyang Jie
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Hongyun Li
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Haijun Yang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Hua Fu
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
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9
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Tian X, Zhang X, Hou X, Ren W, Li X, Zhao F, Tao H, Wang Y. Formal [4+1] Cyclization of
ortho
‐ or
para
‐Quinone Methides with 3‐Chlorooxindoles: Synthesis of 3,2′‐Tetrahydrofuryl Spirooxindoles. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100363] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Xiaochen Tian
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Xiaoli Zhang
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Xiaohan Hou
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Weiwu Ren
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
- Laboratory for Marine Drugs and Bioproducts Qingdao National Laboratory for Marine Science and Technology (QNLM) Qingdao 266237 P. R. China
| | - Xiaoyang Li
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Fei Zhao
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Rd, Pudong New District Shanghai 201210 P. R. China
| | - Houchao Tao
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Rd, Pudong New District Shanghai 201210 P. R. China
| | - Yang Wang
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
- Laboratory for Marine Drugs and Bioproducts Qingdao National Laboratory for Marine Science and Technology (QNLM) Qingdao 266237 P. R. China
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10
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Bobrovskaya OV, Russkih AA, Yankin AN, Dmitriev MV, Bunev AS, Gein VL. Straightforward synthesis of novel spiroether derivatives. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1903930] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | | | - Andrei N. Yankin
- Department of Physics and Engineering, ITMO University, St. Petersburg, Russia
| | - Maksim V. Dmitriev
- Department of Chemistry, Perm State National Research University, Perm, Russia
| | - Aleksandr S. Bunev
- Medicinal Chemistry Center, Togliatti State University, Togliatti, Russia
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11
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Solovyev I, Eremeyeva M, Zhukovsky D, Dar'in D, Krasavin M. Cyclic diazo compounds in the construction of spirocyclic scaffolds. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2020.152671] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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12
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Abstract
This review summaries recent synthetic developments towards spirocyclic oxindoles and applications as valuable medicinal and synthetic targets.
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Affiliation(s)
- Alexander J. Boddy
- Department of Chemistry
- Imperial College London
- Molecular Sciences Research Hub
- London W12 0BZ
- UK
| | - James A. Bull
- Department of Chemistry
- Imperial College London
- Molecular Sciences Research Hub
- London W12 0BZ
- UK
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13
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Regioselective synthesis of spirobarbiturate-dihydrofurans and dihydrofuro[2,3-d]pyrimidines via one-pot cascade reaction of barbiturate-based olefins and ethyl acetoacetate. Tetrahedron 2021. [DOI: 10.1016/j.tet.2020.131859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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14
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Xing S, Xia H, Wang C, Wang Y, Hao L, Wang K, Zhu B. A Stepwise Synthesis of Spiroindoline Compounds via Ring Opening of Aziridines and C−H Activation/Cyclization. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202001235] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Siyang Xing
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Hanyu Xia
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Chenyu Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Yuhan Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Lu Hao
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Kui Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
| | - Bolin Zhu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of Chemistry Tianjin Normal University Tianjin 300387 People's Republic of China
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15
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Adeyemi A, Odell LR, Larhed M. Regio- and Stereoselective Synthesis of Allylic Spiroethers (Spirobenzofuranes) via an Intramolecular Mizoroki-Heck Reaction. J Org Chem 2020; 85:7648-7657. [PMID: 32083867 DOI: 10.1021/acs.joc.9b03329] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The palladium(0)-catalyzed intramolecular annulation of 12 1,3-disubstituted cyclopentenes, derived from (+)-vince lactam, resulted in 5-exo cyclizations which furnished a series of 2,5-dimethyl-1-((3R,4'S)-2H-spiro[benzofuran-3,1'-cyclopentan]-2'-en-4'-yl)-1H-pyrroles in excellent diastereoselectivities and useful isolated yields. The double bond migration process that followed the arylpalladium insertion was controlled by a fine-tuning of the reaction system, which provided regioselectivities of up to 98:2. The selective Mizoroki-Heck reaction was used as the key transformation for preparing two new spirocyclic monoprotected amino acids as single stereoisomers.
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Affiliation(s)
- Ahmed Adeyemi
- Department of Medicinal Chemistry, Uppsala Biomedical Center, Uppsala University, P.O. Box 574, SE-751 23 Uppsala, Sweden
| | - Luke R Odell
- Department of Medicinal Chemistry, Uppsala Biomedical Center, Uppsala University, P.O. Box 574, SE-751 23 Uppsala, Sweden
| | - Mats Larhed
- Science for Life Laboratory, Department of Medicinal Chemistry, Uppsala Biomedical Center, Uppsala University, P.O. Box 574, SE-751 23 Uppsala, Sweden
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16
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Guéret SM, Thavam S, Carbajo RJ, Potowski M, Larsson N, Dahl G, Dellsén A, Grossmann TN, Plowright AT, Valeur E, Lemurell M, Waldmann H. Macrocyclic Modalities Combining Peptide Epitopes and Natural Product Fragments. J Am Chem Soc 2020; 142:4904-4915. [PMID: 32058716 PMCID: PMC7307906 DOI: 10.1021/jacs.0c00269] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
![]()
“Hot
loop” protein segments have variable structure
and conformation and contribute crucially to protein–protein
interactions. We describe a new hot loop mimicking modality, termed
PepNats, in which natural product (NP)-inspired structures are incorporated
as conformation-determining and -restricting structural elements into
macrocyclic hot loop-derived peptides. Macrocyclic PepNats representing
hot loops of inducible nitric oxide synthase (iNOS) and human agouti-related
protein (AGRP) were synthesized on solid support employing macrocyclization
by imine formation and subsequent stereoselective 1,3-dipolar cycloaddition
as key steps. PepNats derived from the iNOS DINNN hot loop and the
AGRP RFF hot spot sequence yielded novel and potent ligands of the
SPRY domain-containing SOCS box protein 2 (SPSB2) that binds to iNOS,
and selective ligands for AGRP-binding melanocortin (MC) receptors.
NP-inspired fragment absolute configuration determines the conformation
of the peptide part responsible for binding. These results demonstrate
that combination of NP-inspired scaffolds with peptidic epitopes enables
identification of novel hot loop mimics with conformationally constrained
and biologically relevant structure.
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Affiliation(s)
- Stéphanie M Guéret
- Department of Chemical Biology, AstraZeneca-Max Planck Institute Satellite Unit, Max-Planck-Institute of Molecular Physiology, 44227 Dortmund, Germany.,Medicinal Chemistry, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, 431 50 Gothenburg, Sweden
| | - Sasikala Thavam
- Department of Chemical Biology, Max-Planck-Institute of Molecular Physiology, 44227 Dortmund, Germany
| | - Rodrigo J Carbajo
- Chemistry, Oncology R&D, AstraZeneca, Cambridge CB2 0SL, United Kingdom
| | - Marco Potowski
- Department of Chemical Biology, Max-Planck-Institute of Molecular Physiology, 44227 Dortmund, Germany.,Faculty of Chemistry and Chemical Biology, TU Dortmund University, 44227 Dortmund, Germany
| | - Niklas Larsson
- Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, 431 50 Gothenburg, Sweden
| | - Göran Dahl
- Structure, Biophysics & Fragment Based Lead Generation, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, 431 50 Gothenburg, Sweden
| | - Anita Dellsén
- Mechanistic Biology & Profiling, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, 431 50 Gothenburg, Sweden
| | - Tom N Grossmann
- Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands
| | - Alleyn T Plowright
- Medicinal Chemistry, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, 431 50 Gothenburg, Sweden
| | - Eric Valeur
- Medicinal Chemistry, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, 431 50 Gothenburg, Sweden
| | - Malin Lemurell
- Medicinal Chemistry, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, 431 50 Gothenburg, Sweden
| | - Herbert Waldmann
- Department of Chemical Biology, Max-Planck-Institute of Molecular Physiology, 44227 Dortmund, Germany.,Faculty of Chemistry and Chemical Biology, TU Dortmund University, 44227 Dortmund, Germany
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17
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Bhat AH, Alavi S, Grover HK. Tandem Carbenoid C-H Functionalization/Conia-ene Cyclization of N-Propargyl Indoles Generates Pyrroloindoles under Cooperative Rh(II)/Zn(II) Catalysis. Org Lett 2020; 22:224-229. [PMID: 31854993 DOI: 10.1021/acs.orglett.9b04210] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The decomposition of diazodicarbonyl compounds in the presence of various metal catalysts has become a reliable method for the functionalization of indoles via carbenoid intermediates. Exploiting the nucleophilic reactivity of the in situ generated malonic ester product formed, we herein report a tandem C-H functionalization/Conia-ene cyclization of N-alkyne tethered indoles. This double functionalization of diazodicarbonyls generates a range of pyrrolo[1,2-a]-, pyrido[1,2-a]-, and azepino[1,2-a]indole products with good synthetic efficiency.
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Affiliation(s)
- Aabid H Bhat
- Department of Chemistry , Memorial University of Newfoundland , St. John's , Newfoundland A1B 3X7 , Canada
| | - Sima Alavi
- Department of Chemistry , Memorial University of Newfoundland , St. John's , Newfoundland A1B 3X7 , Canada
| | - Huck K Grover
- Department of Chemistry , Memorial University of Newfoundland , St. John's , Newfoundland A1B 3X7 , Canada
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18
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Herndon JW. The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2018. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.213051] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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19
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Facile catalyst-free synthesis of perfluoroalkylated cis-spiropyrimidine-5,1′-quinolizines and pyrano[2,3-d]pyrimidines. J Fluor Chem 2019. [DOI: 10.1016/j.jfluchem.2019.109411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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20
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A novel approach to biologically relevant oxazolo[5,4-d]pyrimidine-5,7-diones via readily available diazobarbituric acid derivatives. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151120] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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21
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Golubev AA, Smetanin IA, Agafonova AV, Rostovskii NV, Khlebnikov AF, Starova GL, Novikov MS. [2 + 1 + 1] Assembly of spiro β-lactams by Rh(ii)-catalyzed reaction of diazocarbonyl compounds with azirines/isoxazoles. Org Biomol Chem 2019; 17:6821-6830. [PMID: 31250875 DOI: 10.1039/c9ob01301f] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A domino synthesis of dispiro-fused N-vinyl β-lactams from diazo-Meldrum's acid and 2H-azirines or 5-alkoxyisoxazoles via the "2-azabuta-1,3-diene formation/Staudinger ketene-imine cycloaddition" sequence is described. The Rh2(Piv)4-catalyzed formation of the 2-azabuta-1,3-diene intermediates in the first stage of the reaction sequence proceeds via addition of the rhodium carbenoid to the azirines/isoxazoles and provides the first example of the generation of iminium-type ylides from diazo-Meldrum's acid. This methodology was extended to monospiro-β-lactams, which were synthesized in two steps using acyclic α-diazocarbonyl compounds in the stage of the formation of 2-azabuta-1,3-dienes. The method allows for the rapid assemblage of the carbon part of the azetidin-2-one system from diazo compounds only and affords spiro- and dispiro-β-lactams in moderate yields. A bromine atom in the 2-bromoalkenyl moiety of the synthesized β-lactams can be easily substituted by hydrogen under catalytic hydrogenation conditions or by 2-pyridyl-substituent via the Stille cross-coupling reaction.
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Affiliation(s)
- Artem A Golubev
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034 Russia.
| | - Ilia A Smetanin
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034 Russia.
| | - Anastasiya V Agafonova
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034 Russia.
| | - Nikolai V Rostovskii
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034 Russia.
| | - Alexander F Khlebnikov
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034 Russia.
| | - Galina L Starova
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034 Russia.
| | - Mikhail S Novikov
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg, 199034 Russia.
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22
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Gao M, Zhao Y, Zhong C, Liu S, Liu P, Yin Q, Hu L. General [4 + 1] Cyclization Approach To Access 2,2-Disubstituted Tetrahydrofurans Enabled by Electrophilic Bifunctional Peroxides. Org Lett 2019; 21:5679-5684. [DOI: 10.1021/acs.orglett.9b02012] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Min Gao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Yukun Zhao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Chen Zhong
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Shengshu Liu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Pengkang Liu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Qi Yin
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Lin Hu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
- Guangdong Provincial Key Lab of Nano-Micro Material Research, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
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23
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Hunter AC, Chinthapally K, Bain AI, Stevens JC, Sharma I. Rhodium/Gold Dual Catalysis in Carbene
sp
2
C−H Functionalization/Conia‐ene Cascade for the Stereoselective Synthesis of Diverse Spirocarbocycles. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900079] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Arianne C. Hunter
- Department of Chemistry and Biochemistry, and Institute of Natural Products Applications and Research Technologies University of Oklahoma 101 Stephenson Parkway Norman OK-73019 USA
| | - Kiran Chinthapally
- Department of Chemistry and Biochemistry, and Institute of Natural Products Applications and Research Technologies University of Oklahoma 101 Stephenson Parkway Norman OK-73019 USA
| | - Anae I. Bain
- Department of Chemistry and Biochemistry, and Institute of Natural Products Applications and Research Technologies University of Oklahoma 101 Stephenson Parkway Norman OK-73019 USA
| | - Joseph C. Stevens
- Department of Chemistry and Biochemistry, and Institute of Natural Products Applications and Research Technologies University of Oklahoma 101 Stephenson Parkway Norman OK-73019 USA
| | - Indrajeet Sharma
- Department of Chemistry and Biochemistry, and Institute of Natural Products Applications and Research Technologies University of Oklahoma 101 Stephenson Parkway Norman OK-73019 USA
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24
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Devi L, Shukla R, Rastogi N. Intramolecular trapping of ammonium ylides with N-benzoylbenzotriazoles in aqueous medium: direct access to the pseudoindoxyl scaffold. Org Biomol Chem 2019; 17:135-139. [PMID: 30525156 DOI: 10.1039/c8ob02683a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The present work documents an operationally simple, clean and practical method for accessing the 2,2-disubstituted indolin-3-one (pseudoindoxyl) scaffold. The rhodium carbenoid mediated reaction between N-o-alkylamino benzoylbenzotriazoles and aryl diazoacetates occurs smoothly in water and exploits the leaving group ability of the benzotriazole moiety to install the carbonyl function in the product. Other highlights of the methodology are a wide substrate scope and experimental practicality given the re-use of the benzotriazole byproduct for starting material preparation.
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Affiliation(s)
- Lalita Devi
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India.
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25
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Massaro NP, Stevens JC, Chatterji A, Sharma I. Stereoselective Synthesis of Diverse Lactones through a Cascade Reaction of Rhodium Carbenoids with Ketoacids. Org Lett 2018; 20:7585-7589. [PMID: 30485110 DOI: 10.1021/acs.orglett.8b03327] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A convergent cascade approach for the stereoselective synthesis of diverse lactones is described. The Rh2(TFA)4-catalyzed cascade reaction proceeds via a carboxylic acid O-H insertion/aldol cyclization with high chemo-, regio-, and diastereoselectivity. The cascade reaction provides quick access to highly functionalized γ-butyro- and δ-valerolactones from readily accessible ketoacid and diazo synthons. To demonstrate the utility of this approach, a thermally induced oxy-Cope ring-expansion strategy has been incorporated in the cascade sequence to access medium-sized lactones, which can undergo a serendipitous rearrangement to form spiro-lactones through an intramolecular aldol/trans-lactonization sequence. The reaction has proven to be general, with a range of ketoacids and diazo carbonyls to provide functionalized lactones of varying ring sizes.
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Affiliation(s)
- Nicholas P Massaro
- Department of Chemistry and Biochemistry, and Institute of Natural Products Applications and Research Technologies , University of Oklahoma , 101 Stephenson Parkway , Norman , Oklahoma 73071 , United States
| | - Joseph C Stevens
- Department of Chemistry and Biochemistry, and Institute of Natural Products Applications and Research Technologies , University of Oklahoma , 101 Stephenson Parkway , Norman , Oklahoma 73071 , United States
| | - Aayushi Chatterji
- Department of Chemistry and Biochemistry, and Institute of Natural Products Applications and Research Technologies , University of Oklahoma , 101 Stephenson Parkway , Norman , Oklahoma 73071 , United States
| | - Indrajeet Sharma
- Department of Chemistry and Biochemistry, and Institute of Natural Products Applications and Research Technologies , University of Oklahoma , 101 Stephenson Parkway , Norman , Oklahoma 73071 , United States
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26
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First diastereoselective synthesis of perfluoroalkylated cis-spiropyrido[2,1-a]isoquinoline-1,5’-pyrimidines. J Fluor Chem 2018. [DOI: 10.1016/j.jfluchem.2018.09.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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27
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Hashimoto Y, Kono M, Harada S, Nemoto T. Urea Insertion Reaction of Rhodium-Carbenoid. Chem Pharm Bull (Tokyo) 2018; 66:1041-1047. [DOI: 10.1248/cpb.c18-00511] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
| | - Masato Kono
- Graduate School of Pharmaceutical Sciences, Chiba University
| | - Shingo Harada
- Graduate School of Pharmaceutical Sciences, Chiba University
| | - Tetsuhiro Nemoto
- Graduate School of Pharmaceutical Sciences, Chiba University
- Molecular Chirality Research Center, Chiba University
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28
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Hunter AC, Almutwalli B, Bain AI, Sharma I. Trapping rhodium carbenoids with aminoalkynes for the synthesis of diverse N-heterocycles. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.06.042] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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29
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Kantin G, Dar'in D, Krasavin M. RhII
-Catalyzed Cycloaddition of α-Diazo Homophthalimides and Nitriles Delivers Oxazolo[5,4-c
]isoquinolin-5(4H
)-one Scaffold. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800955] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Grigory Kantin
- Saint Petersburg State University; 199034 Saint Petersburg Russian Federation
| | - Dmitry Dar'in
- Saint Petersburg State University; 199034 Saint Petersburg Russian Federation
| | - Mikhail Krasavin
- Saint Petersburg State University; 199034 Saint Petersburg Russian Federation
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