(6S,11bR)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-9,10-dimethoxy-1,6,7,11b-tetrahydro-pyrido[2,1-a]isoquinolin-4-one 、
1,3-二硫烷-2-甲酸乙酯 在
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
反应 24.0h,
生成 2-[(6S,11bR)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-9,10-dimethoxy-4-oxo-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-yl]-[1,3]dithiolane-2-carboxylic acid ethyl ester