| Catalytic Enantioselective Synthesis of Chiral γ-Butyrolactones. | |
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MedLine Citation:
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PMID: 21348475 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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A tandem catalytic asymmetric aldol reaction/cyclization of β,γ-didehydro-γ-lactones with aldehydes was achieved using chiral tin dibromide as a chiral precatalyst and sodium alkoxide as a base precatalyst. Optically active trans-β,γ-disubstituted γ-butyrolactones were selectively obtained in moderate to high yields with up to 99% ee from γ-aryl-substituted β,γ-didehydro-γ-butyrolactones and bulky aliphatic aldehydes. |
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Authors:
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Akira Yanagisawa; Naoyuki Kushihara; Kazuhiro Yoshida |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-2-24 |
Journal Detail:
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Title: Organic letters Volume: - ISSN: 1523-7052 ISO Abbreviation: - Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-2-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100890393 Medline TA: Org Lett Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Chemistry, Graduate School of Science, Chiba University, Chiba 263-8522, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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