(2R,3R,4S,2'R,4'S,5'R)-4',5'-Diacetoxy-3-acetylamino-4-(2,2-dimethyl-propionyloxy)-3,4,3',4',5',6'-hexahydro-2H,2'H-[2,2']bipyranyl-6-carboxylic acid methyl ester 在
Lindlar's catalyst sodium azide 、 Dowex 50W (H
+) 、
氢气 作用下,
以
乙醇 、
叔丁醇 为溶剂,
生成 (2R,3R,4R,2'R,4'S,5'R)-4',5'-Diacetoxy-3-acetylamino-4-amino-3,4,3',4',5',6'-hexahydro-2H,2'H-[2,2']bipyranyl-6-carboxylic acid methyl ester