Journal of the Chemical Society. Chemical communications p. 1173 - 1174 (1991)
Update date:2022-09-26
Topics:
Kosugi, Hiroshi
Hoshino, Kunihide
Uda, Hisashi
Optically active polyenic β-keto sulphoxides 4 and 5 undergo a cyclisation mediated by SnCl4 to give easily separable diastereoisomeric dihydropyran derivatives 6a,b and 10a,b respectively; the crystalline stereoisomers of which can be converted into (+)-
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(1991)
