A new diterpenoid, 18-hydroxy-14,15-dihydroxy-7-oxo-ent-atis-16-ene, and another kown diterpenoid, ent-atis-16(17)- ene-3,14-dione, were isolated from the roots of Euphorbia fischeriana. The structures of those compounds were elucidated by spectroscopic methods and literatura data.
Fig. 1 The key HMBC (H→C) and COSY (H—H) correlations of 1.
Fig. 2 Key ROESY (H↔H) correlations of 1.
Additional Information:1. Author Information:Libin Yang, Shaojing Liu, Bo Zhang and Yourui Suo
Correspondence: E-mail:suo_yourui@163.com
2. Published : JOURNAL OF CHEMICAL RESEARCH 2011, DECEMBER, 692–693