MITSCHER, LESTER A.;GOLLAPUDI, SITARAGHAV R.;GERLACH, DAVID C.;DRAKE, STE+, PHYTOCHEMISTRY, 27,(1988) N 2, 381-385
作者:MITSCHER, LESTER A.、GOLLAPUDI, SITARAGHAV R.、GERLACH, DAVID C.、DRAKE, STE+
DOI:——
日期:——
Erycristin, a new antimicrobial petrocarpan from Erythrina crista-galli
作者:Lester A. Mitscher、Sitaraghav R. Gollapudi、David C. Gerlach、Steven D. Drake、Eduardo A. Ve´liz、Jeffrey A. Ward
DOI:10.1016/0031-9422(88)83103-0
日期:1988.1
ethanolic extracts of the stern bark of Erythrinacrista-galli resulted in the isolation of a new pterocarpan, erycristin, and two previously known pterocarpans, sandwicensin and erythrabyssin-II. The structure of erycristin was determined by spectroscopic examination and by chemical transformation of sandwicensin. The absolute stereochemistry of erycristin was established by circular dichroism measurements