ethyl 2-(2-((1R,2R,3R,5S)-5-(methylsulfonyloxy)-2-octyl-3-(tetrahydro-2H-pyran-2-yloxy)cyclopentyl)ethylthio)thiazole-4-carboxylate 在
四丁基氯化铵 作用下,
以
甲苯 为溶剂,
以65%的产率得到ethyl 2-(2-((1R,2R,3R,5R)-5-chloro-2-octyl-3-(tetrahydro-2H-pyran-2-yloxy)cyclopentyl)ethylthio)thiazole-4-carboxylate