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Liu Y, Wang Z, Li R, Yao Y, Shi Z, Sun Q, Deng G. Recent Progress in Free Radical Transformations of Allenamides. Curr Org Synth 2024; 21:889-902. [PMID: 39044703 DOI: 10.2174/0115701794269961231027054854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 09/16/2023] [Accepted: 09/28/2023] [Indexed: 07/25/2024]
Abstract
Allenamides are special allenes, and the unique reactivity, selectivity (both stereoselective and regionally selective) and stability of allenamides have been widely studied. In this review, the development of the free radical transformation of allenamides over the last few years will be summarized. This review discusses in detail in three parts: intermolecular radical addition to C- X (X = N, S, O, Se) bonds, metal salt mediated cyclization of allenamides, and photocatalytic cyclization of allenamides. In addition, reasonable details of the mechanisms are provided for the vast majority of these transformations.
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Affiliation(s)
- Yongchun Liu
- College of Energy Chemicals and Environment, Sichuan Vocational and Technical College, Suining 629200, People's Republic of China
| | - Zimin Wang
- College of Energy Chemicals and Environment, Sichuan Vocational and Technical College, Suining 629200, People's Republic of China
| | - Rui Li
- College of Energy Chemicals and Environment, Sichuan Vocational and Technical College, Suining 629200, People's Republic of China
| | - Yinhai Yao
- College of Energy Chemicals and Environment, Sichuan Vocational and Technical College, Suining 629200, People's Republic of China
| | - Zhichuan Shi
- College of Chemistry and Environment, Southwest Minzu University, Chengdu, 610041, People's Republic of China
| | - Qin Sun
- College of Chemistry and Life Science, Chengdu Normal University, Chengdu 611130, People's Republic of China
| | - Guowei Deng
- College of Chemistry and Life Science, Chengdu Normal University, Chengdu 611130, People's Republic of China
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Adler P, Perez V, Roupnel L, Fadel A, Rabasso N. Cerium(IV)‐Mediated Carbon‐Carbon Bond Formation for the Synthesis of Spirodienone Lactams. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Pauline Adler
- Méthodologie Synthèse et Molécules Thérapeutiques Université Paris-Saclay CNRS Institut de chimie moléculaire et des matériaux d'Orsay 91405 Orsay France
| | - Vincent Perez
- Méthodologie Synthèse et Molécules Thérapeutiques Université Paris-Saclay CNRS Institut de chimie moléculaire et des matériaux d'Orsay 91405 Orsay France
| | - Loïc Roupnel
- Services communs Université Paris-Saclay CNRS Institut de chimie moléculaire et des matériaux d'Orsay 91405 Orsay France
| | - Antoine Fadel
- Méthodologie Synthèse et Molécules Thérapeutiques Université Paris-Saclay CNRS Institut de chimie moléculaire et des matériaux d'Orsay 91405 Orsay France
| | - Nicolas Rabasso
- Méthodologie Synthèse et Molécules Thérapeutiques Université Paris-Saclay CNRS Institut de chimie moléculaire et des matériaux d'Orsay 91405 Orsay France
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Taming the radical cation intermediate enabled one-step access to structurally diverse lignans. Nat Commun 2022; 13:3481. [PMID: 35710543 PMCID: PMC9203495 DOI: 10.1038/s41467-022-31000-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 05/20/2022] [Indexed: 11/28/2022] Open
Abstract
Lignans, in spite of their structural diversity, are all biosynthetically derived from coniferyl alcohol. We report herein a divergent synthesis of lignans from biomass-derived monolignols in a short synthetic sequence. Blue LED irradiation of a dichloromethane solution of dicinnamyl ether derivatives in the presence of Cu(TFA)2, an alcohol (2.0 equiv) and a catalytic amount of Fukuzumi’s salt affords the C7-alkoxylated aryltetralin cyclic ethers. Increasing the amount of alcohol under otherwise identical conditions diverts the reaction course to furnish the C7,C7’-dialkoxylated dibenzyltetrahydrofurans, while replacing Cu(TFA)2 with diphenyl disulfide (PhSSPh) provides selectively the C7-monoalkoxylated dibenzyltetrahydrofurans. Aza-, thia- and carba-analogues of lignans are equally accessible by simply changing the tethering atom of the allylic alcohols. Concise total syntheses of aglacins A, E, F, brassilignan, and dehydrodimethylconidendrin are documented featuring these transformations. Lignans, in spite of their structural diversity, are all biosynthetically derived from coniferyl alcohol. Here, the authors describe a divergent and stereoselective chemical synthesis of three types of lignans from biomass-derived monolignols, exploiting the different reaction manifolds of highly reactive radical cation intermediate.
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Wang B, Gandamana DA, León Rayo DF, Gagosz F, Chiba S. Diastereoselective Intramolecular Hydride Transfer Triggered by Electrophilic Halogenation of Aryl Alkenes. Org Lett 2019; 21:9179-9182. [PMID: 31674788 DOI: 10.1021/acs.orglett.9b03548] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Diastereoselective hydride transfer could be triggered by electrophilic halogenation (bromination or fluorination) of homoallylic alcohol O-Bn ethers. The resulting diastereomerically enriched haloalkyl alcohols underwent subsequent intramolecular nucleophilic substitution to afford the corresponding tetrahydrofurans.
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Affiliation(s)
- Bin Wang
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore
| | - Dhika Aditya Gandamana
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore
| | - David Fabian León Rayo
- Department of Chemistry and Biomolecular Sciences , University of Ottawa , K1N 6N5 , Ottawa , Canada
| | - Fabien Gagosz
- Department of Chemistry and Biomolecular Sciences , University of Ottawa , K1N 6N5 , Ottawa , Canada
| | - Shunsuke Chiba
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore
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Mothe SR, Kothandaraman P, Rao W, Chan PWH. Rapid Access to Halohydrofurans via Brønsted Acid-Catalyzed Hydroxylation/Halocyclization of Cyclopropyl Methanols with Water and Electrophilic Halides. J Org Chem 2011; 76:2521-31. [DOI: 10.1021/jo102374z] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Srinivasa Reddy Mothe
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Prasath Kothandaraman
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Weidong Rao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Philip Wai Hong Chan
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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Lü B, Jiang X, Fu C, Ma S. Highly Regio- and Stereoselective Cyclic Iodoetherification of 4,5-Alkadienols. An Efficient Preparation of 2-(1′(Z)-Iodoalkenyl)tetrahydrofurans. J Org Chem 2008; 74:438-41. [DOI: 10.1021/jo802079b] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bo Lü
- Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, People’s Republic of China
| | - Xinpeng Jiang
- Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, People’s Republic of China
| | - Chunling Fu
- Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, People’s Republic of China
| | - Shengming Ma
- Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, People’s Republic of China
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Nair V, Deepthi A. Cerium(IV) ammonium nitrate--a versatile single-electron oxidant. Chem Rev 2007; 107:1862-91. [PMID: 17432919 DOI: 10.1021/cr068408n] [Citation(s) in RCA: 332] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vijay Nair
- Organic Chemistry Section, Regional Research Laboratory (CSIR), Trivandrum, India.
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Affiliation(s)
- John P. Wolfe
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, MI, 48109-1055
| | - Michael B. Hay
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, MI, 48109-1055
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Han B, Jia XD, Jin XL, Zhou YL, Yang L, Liu ZL, Yu W. A CAN-initiated aza-Diels–Alder reaction for a facile synthesis of 4-amido-N-yl tetrahydroquinolines. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2006.03.083] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Nair V, Mohanan K, Suja T, Suresh E. Stereoselective synthesis of 3,4-trans-disubstituted pyrrolidines and cyclopentanes via intramolecular radical cyclizations mediated by CAN. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2006.02.051] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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CAN-mediated stereoselective cyclization of epoxypropyl cinnamyl amines to 3,4,5-trisubstituted piperidines and supramolecular assembly of the latter aided by ethyl acetate. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2005.11.115] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Nair V, Balagopal L, Rajan R, Deepthi A, Mohanan K, Rath NP. CAN mediated cyclization of epoxypropyl cinnamyl ethers: a facile stereoselective synthesis of tetrahydropyran derivatives. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.01.075] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Tsoungas PG, Diplas AI. Oxidative cyclization in the synthesis of 5- and 6-memberedN,O-heterocycles. HETEROATOM CHEMISTRY 2004. [DOI: 10.1002/hc.10200] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Nair V, Rajan R, Mohanan K, Sheeba V. Cerium(IV) ammonium nitrate-mediated oxidative rearrangement of cyclobutanes and oxetanes. Tetrahedron Lett 2003. [DOI: 10.1016/s0040-4039(03)00978-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Nair V, Rajan R, Balagopal L, Thomas S, Narasimlu K. A novel CAN-mediated oxidative rearrangement of monoterpenes. Tetrahedron Lett 2002. [DOI: 10.1016/s0040-4039(02)02103-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Chapter 5.3 Five-membered ring systems: Furans and benzofurans. ACTA ACUST UNITED AC 2002. [DOI: 10.1016/s0959-6380(02)80009-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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