| Tuning efficiency of the 4-exo-trig cyclization by the electronic effect: ring closure of 3,3-difluoro-4-pentenyl carbon radicals and synthesis of a gem-difluorocyclobutane nucleoside. | |
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MedLine Citation:
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PMID: 23038212 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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4-exo-trig Cyclization reaction of a 4-pentenyl carbon radical containing the gem-difluoromethylene moiety adjacent to a radical accepting α,β-unsaturated ester was found to proceed efficiently to furnish a novel gem-difluorocyclobutane derivative. The cyclized product could be transformed into a gem-difluoromethylene analogue of oxetanocin T. |
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Authors:
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Hiroki Kumamoto; Sachiko Kawahigashi; Hiromi Wakabayashi; Tomohiko Nakano; Tomoko Miyaike; Yasuyuki Kitagawa; Hiroshi Abe; Mika Ito; Kazuhiro Haraguchi; Jan Balzarini; Masanori Baba; Hiromichi Tanaka |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-4 |
Journal Detail:
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Title: Chemical communications (Cambridge, England) Volume: - ISSN: 1364-548X ISO Abbreviation: Chem. Commun. (Camb.) Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-5 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9610838 Medline TA: Chem Commun (Camb) Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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School of Pharmacy, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan. kumamoto@pharm.showa-u.ac.jp. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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