Abstract

AbstractFormal syntheses of teadenols A and B are achieved via a key Pd-catalyzed 6-endo cyclization of a phenol possessing a vinyl ­epoxide moiety. Although 5-exo and 6-endo cyclizations compete during cyclizations of epoxides with a nucleophilic moiety at the 5-position, 6-endo cyclization is realized by using a palladium catalyst.

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