1,2:5,6-di-O-isopropylidene-α-D-ribo-hexofuranose-3-spiro-3'-(4'-amino-2'-N-methyl-5'H-2',3'-dihydroisothiazole-1',1'-dioxide) 在
水 、
溶剂黄146 作用下,
反应 2.25h,
以90%的产率得到(1S,3R,7R,8R,12S,14R)-12-amino-14-hydroxymethyl-5,5-dimethyl-9-N-methyl-10-thia-10,10-dioxide-9-aza-2,4,6,13-tetraoxatetracyclo[6.6.0.03,7.08,12]tetradecane