(3R)-8-cyclopropyl-7-tetrahydroisoquinolin-1-ylmethyl-5-oxo-2,3-dihydro-5-H-thiazolo[3,2-a]pyridine-3-carboxylic acid methyl ester 在
lithium hydroxide 作用下,
以
四氢呋喃 、
水 为溶剂,
以92%的产率得到lithium (3R)-8-cyclopropyl-7-(tetrahydroisoquinolin-1-yl)methyl-5-oxo-2,3-dihydro-5-H-thiazolo[3,2-a]pyridine-3-carboxylate