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Rearrangement of Alkynyl Sulfoxides Catalyzed by Gold(I) Complexes

✍ Scribed by Shapiro, Nathan D.; Toste, F. Dean

Book ID
120402507
Publisher
American Chemical Society
Year
2007
Tongue
English
Weight
70 KB
Volume
129
Category
Article
ISSN
0002-7863

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Rearrangement of Alkynyl Sulfoxides Cata
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## Multi-membered O,S-heterocycles R 0691 Rearrangement of Alkynyl Sulfoxides Catalyzed by Gold(I) Complexes. -Under gold(I) catalysis, differently substituted homopropargylic arylsulfoxides undergo a rearrangement to give benzothiepinones or benzothiopyrans, depending on the substitution pattern

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Gold(I)-catalyzed cyclization of o-alkynyl benzaldehyde chromium complexes gave stereoselectively 1-anti-and syn-functionalized 1H-isochromene chromium complexes, respectively, depending on the nature of nucleophiles. Enantiomerically pure trans-and cis-1,3-dimethylisochromans were stereoselectively