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■ Structures of Withaperuvin B and C, Withanolides of Physalis peruviana Roots

Mahendra Sahai, Partha Neogi, Anil B. Ray, Yoshiteru Oshima, and Hiroshi Hikino

*Department of Medical Chemistry, Institute of Medical Chemistry, Banaras Hindu University, Varanasi-221 005, India

Abstract

Two minor withanolides, withaperuvin B and C, have been isolated from the roots of Physalis peruviana. Their structures have been elucidated as those represented by formulae 1 and 2, respectively, based on chemical and spectral evidence.