摘要
A new compound, subglain B, was isolated from the stems of Uvaria tonkinensis var. subglabra and its structure was identified as 1S, 2R, 3S, 6R-1-benzoyloxymethylene-1,2- dihydroxy-3-benzoyloxy-6-chlorocyclohex-4-ene (1), by spectral evidences.
A new compound, subglain B, was isolated from the stems of Uvaria tonkinensis var. subglabra and its structure was identified as 1S, 2R, 3S, 6R-1-benzoyloxymethylene-1,2- dihydroxy-3-benzoyloxy-6-chlorocyclohex-4-ene (1), by spectral evidences.
基金
the National Natural Science Foundation of China(No.39970084)
the Chinese Doctoral Grants of the Ministry of Science and Technology of China(No.96-901-96-54)for financial support