A. Kato, Y. Hashimoto, M. Kidokoro
1979
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Journal
Lloydia
Abstract
A new lignan, (+)-nortrachelogenin (I), and a known compound, daphnoretin were isolated from Wikstroemia indica C.A. Meyer (Thymelaeaceae). The structure of (+)-nortrachelogenin was established as 8(R)8'-4,4',8'-trihydroxy-3,3'-dimethoxylignan-olid, (9,9') on the basis of spectroscopic evidence and comparison with its enantiomer, (-)-nortrachelogenin. +-nortrachelogenin(I) showed effects on the central nervous system producing depression in rabbits.