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A novel ent-kaurane diterpenoid from the Croton tonkinensis GAGNEP
Pham Thi Hong Minh1, Pham Hoang Ngoc, Dang Ngoc Quang
1Institute of Chemistry, National Centre of Natural Sciences and Technology of Vietnam, Hanoi.
Chemical & Pharmaceutical Bulletin
|May 9, 2003
Abstract:
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.