In continuation of our studies on Aconitum hemsleyanum Pritz. var. pengzhouense, two new norditerpenoid alkaloids, pengshenines A (1) and B (2), have been isola
A new lupane-type triterpene was isolated from the resin of Boswellia carterii Birdw.Based on the Spectral methods,its structure was elucidated as lup-20(29)-en
The α, β vicinal dibromo carboxylic acid and its derivatives were debrominated with Sm/HOAc system to afford the corresponding cinnamic acid and its derivativ