Biodegradable poly(epsilon-caprolactone-co-p-dioxanone)(PCDO) random copolymers have been synthesized by ring-opening polymerization of epsilon-caprolactone(CL)
<正>In order to investigate the effect of different C4 linkage moieties on the cytotoxicity of podophyllotoxin derivatives,novel 4-Nand 4-C-substituted 4'-O
<正>The convenient one-pot method for phosphoryloxylactonization of alkenoic acids was reported:when(diacetoxyiodo)benzene, various 4-pentenoic acids and phosph
Two new homoisoflavanones were isolated from the rhizomes of Polygonatum odoratum (Mill.) Druce and their structures were elucidated as (3R)-5,7-dihydroxy-8-met
<正>Several bisabolane sesquiterpenes,(±)-curcumene,(±)-curcuphenol,(±)-curcudiol and(±)-curcuhydroquinone,have been synthesized in racemic