摘要
Two new polyoxygenated steroids, reticulatic acid （1） and reticulatin （2）, together with a known compound 3,22,25-trihydroxy-16-24,20-24-bisepoxy-3β,16β,20S,22R,24S-cholest-5-ene （3）, were isolated from the CH2Cl2/ EtOH extract of the South China Sea gorgonian coral Subergorgia reticulata. Their structures were established on the basis of extensive spectroscopic analysis. The absolute stereochemistry of compounds 2 and 3 was determined by the X-ray crystallographic analysis and the Mosher ester determination.
Two new polyoxygenated steroids, reticulatic acid （1） and reticulatin （2）, together with a known compound 3,22,25-trihydroxy-16-24,20-24-bisepoxy-3β,16β,20S,22R,24S-cholest-5-ene （3）, were isolated from the CH2Cl2/ EtOH extract of the South China Sea gorgonian coral Subergorgia reticulata. Their structures were established on the basis of extensive spectroscopic analysis. The absolute stereochemistry of compounds 2 and 3 was determined by the X-ray crystallographic analysis and the Mosher ester determination.
基金
Project supported by the Knowledge Innovation Program of Chinese Academy of Sciences （No. KZCX3-SW-216）, Natural Science Foundation （No. 2003-11） of Guangdong Province and Research Program of Croucher Foundation.
