National Natural Science Fund for Distinguished Young Scholars (Grant No.30325044,30825001);the 863 Program of China (Grant No.20060102Z1083)
Four natural epothilone analogues, including two 14-membered epothilones L (1), L1 (2) and two epoxide opened epothilones A (3) and B (4), were isolated from the extract of fermentation adsorber resin of Soran...