Minh Pham Thi Hong, Ngoc Pham Hoang, Quang Dang Ngoc, Hashimoto Toshihiro, Takaoka Shigeru, Asakawa Yoshinori
Institute of Chemistry, National Centre of Natural Sciences and Technology of Vietnam, Hanoi.
Chem Pharm Bull (Tokyo). 2003 May;51(5):590-1. doi: 10.1248/cpb.51.590.
A novel ent-kaurane diterpenoid, ent-1alpha-acetoxy-7beta,14alpha-dihydroxy-kaur-16-en-15-on has been isolated from leaves of Croton tonkinensis GAGNEP. Its structure was determined by a combination of spectroscopy, X-ray crystallographic analysis and the chemical reaction acetylation.
从东京巴豆(Croton tonkinensis GAGNEP)的叶子中分离出一种新型对映-贝壳杉烷二萜,即对映-1α-乙酰氧基-7β,14α-二羟基-贝壳杉-16-烯-15-酮。其结构通过光谱学、X射线晶体学分析以及乙酰化化学反应相结合的方法得以确定。