O-[(4aR,6S,7R,8S,8aS)-6-[[(1R,3R,4S,6R,7S,8S,12R,19R)-10,10-dimethyl-4,6-bis[(4-methylphenyl)sulfonylamino]-16-oxo-2,9,11,15,20-pentaoxa-17-azatetracyclo[10.8.0.03,8.014,19]icosan-7-yl]oxy]-8-[(4-methylphenyl)sulfonylamino]spiro[4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxine-2,1'-cyclohexane]-7-yl] imidazole-1-carbothioate 、
ammonium hydroxide 生成
6'-N,4'-O-carbonyl-4'',6''-O-cyclohexylidene-3'-deoxy-5,2'-O-isopropylidene-1,3,3''-tri-N-tosylkanamycin A