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Catalyst-Controlled Regio- and Stereoselective Bromolactonization with Chiral Bifunctional Sulfides

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Title: Catalyst-Controlled Regio- and Stereoselective Bromolactonization with Chiral Bifunctional Sulfides
Authors: Tsuchihashi, Ayano / Shirakawa, Seiji
Issue Date: 20-May-2019
Publisher: Georg Thieme Verlag
Citation: Synlett, 30(14), art.no.st-2019-w0187-c, pp.1662-1666; 2019
Abstract: Highly regioselective 5- exo bromolactonizations of stilbene-type carboxylic acids bearing electron-withdrawing substituents are achieved for the first time via the use of chiral bifunctional sulfide catalysts possessing a urea moiety. The chiral phthalide products are obtained in moderate to good enantioselectivities as the result of 5- exo cyclizations.
Keywords: asymmetric synthesis / lactonization / organocatalysis / regioselectivity / sulfides
URI: http://hdl.handle.net/10069/39430
ISSN: 09365214
DOI: 10.1055/s-0037-1610716
Rights: © Georg Thieme Verlag Stuttgart New York
Type: Journal Article
Text Version: author
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/39430

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