3-甲硫基丙酰氯 、
(S)-N-(2-Dimethylamino-ethyl)-2-(12-ethyl-3-fluoro-8-hydroxymethyl-9-oxo-9,11-dihydro-indolizino[1,2-b]quinolin-7-yl)-2-hydroxy-butyramide 在
4-二甲氨基吡啶 作用下,
以
二氯甲烷 为溶剂,
生成 3-Methylsulfanyl-propionic acid 7-[(S)-1-(2-dimethylamino-ethylcarbamoyl)-1-hydroxy-propyl]-12-ethyl-3-fluoro-9-oxo-9,11-dihydro-indolizino[1,2-b]quinolin-8-ylmethyl ester