Determinations of the Configuration of C-20 in Derivatives of Adynerin Using DFT/HF Methods

• 作 者: HUA Yan REN Jie CHEN Chang-xia
• 机 构: OrganicSynthesisandNaturalProductLaboratory,SouthwestForestyUniversity
• 出 处: 高等学校化学研究：英文版
• 发表日期: 2007年5期
• 关键词: 结构测定 无效苷衍生物 B3LYP GIAO NMR计算 Configuration determination Adynerin derivative B3L
• 基金项目: Supported by the Hundred Talents Program of Chinese Academic of Sciences and the Science and Technology Committee of Yurman Province, China. The authors thanks the Super Computation Centers of CAS in

The configurations of C-20 in derivatives of novel 5α-adynerin type,co-existing glycoside in pair,were identified with the calculated chemical shifts of carbon at the B3LYP/6-311+G(2d,p)level.These glycosides are unusual cardic aglycones without the commo