phenol 4-((S)-2-tert-butoxycarbonyl-1-carbamoyl-ethylsulfamoyl)-3-hydroxy-benzoic acid methyl ester 、
2-(喹啉-5-基)乙醇 、
三苯基膦 、
偶氮二甲酸二乙酯 在
crude product 作用下,
以
四氢呋喃 为溶剂,
反应 12.0h,
以4-((S)-2-tert-Butoxycarbonyl-1-carbamoyl-ethylsulfamoyl)-3-(2-quinolin-5-yl-ethoxy)-benzoic acid methyl ester was obtained (1.40 g, 33%) as an off white foam的产率得到4-((S)-2-tert-butoxycarbonyl-1-carbamoyl-ethylsulfamoyl)-3-(2-quinolin-5-yl-ethoxy)-benzoic acid methyl ester