(4S,5R,6R,1'S,4''R)-5-acetylamino-4-(bis-N,N'-tert-butyloxycarbonyl)guanidino-6-[(2'''-azidoethyloxy)-(2'',2''-dimethyl-[1'',3'']dioxolan-4''-yl)]methyl-5,6-dihydro-4H-pyran-2-carboxylic acid methyl ester 在
sodium hydroxide 、
三氟乙酸 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 4.5h,
生成
(4S,5R,6R,1'R,2'R)-5-acetylamino-6-[1'-(2''-azidoethyloxy)-2',3'-dihydroxy]propyl-5,6-dihydro-4-guanidino-4H-pyran-2-carboxylic acid