1L-O5-(O5-acetyl-O2,O3-cyclohexane-1,1-diyl-β-D-ribofuranosyl)-N1-benzyloxycarbonyl-O6-[2,6-bis-benzyloxycarbonylamino-O3-(2-nitro-benzenesulfonyl)-α-D-2,6-dideoxy-glucopyranosyl]-N3,O4-carbonyl-2-deoxy-streptamine 生成 [(3aR,4S,6R,6aR)-4-[[(3aR,5S,6R,7S,7aS)-6-[(2R,3S,4R,5R,6R)-4-chloro-5-hydroxy-3-(phenylmethoxycarbonylamino)-6-(phenylmethoxycarbonylaminomethyl)oxan-2-yl]oxy-2-oxo-5-(phenylmethoxycarbonylamino)-3a,4,5,6,7,7a-hexahydro-3H-1,3-benzoxazol-7-yl]oxy]spiro[3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxole-2,1'-cyclohexane]-6-yl]methyl acetate