A concise synthetic route leading to highly functional erythrina alkaloid skeletons has been developed.The key process is an oxidative carbon-carbon coupling followed by a conjugated addition.Based on this new strateg...A concise synthetic route leading to highly functional erythrina alkaloid skeletons has been developed.The key process is an oxidative carbon-carbon coupling followed by a conjugated addition.Based on this new strategy,a formal synthesis of demethoxyerythratidinone was completed in only 6 steps from 4-aminophenol.展开更多
Erythrinarbine 2, a novel alkaloid was isolated from the stem of Erythrina arborescens Roxb. Its structure and stereochemistry were elucidated on the basis of the spectral analysis (C-13 - H-1 COSY, H-1-H-1 COSY, NOES...Erythrinarbine 2, a novel alkaloid was isolated from the stem of Erythrina arborescens Roxb. Its structure and stereochemistry were elucidated on the basis of the spectral analysis (C-13 - H-1 COSY, H-1-H-1 COSY, NOESY and HMBC).展开更多
基金This work was supported by grants(20925205,21062026,2010GA014 and 2009CB522300) from National Natural Science Foundation of China,Yunnan Province and National Basic Research Program of China(973 Program).
文摘A concise synthetic route leading to highly functional erythrina alkaloid skeletons has been developed.The key process is an oxidative carbon-carbon coupling followed by a conjugated addition.Based on this new strategy,a formal synthesis of demethoxyerythratidinone was completed in only 6 steps from 4-aminophenol.
文摘Erythrinarbine 2, a novel alkaloid was isolated from the stem of Erythrina arborescens Roxb. Its structure and stereochemistry were elucidated on the basis of the spectral analysis (C-13 - H-1 COSY, H-1-H-1 COSY, NOESY and HMBC).