N-Benzyl-6-de-oxy-3,6-imino-methyl-ene-1,2,3,5-O-tetra-acetyl-α-d-1(S)-epiallo-furan-ose.

The mol-ecule of the title compound, C(22)H(27)NO(9), an azasugar derivative, consists of one benzene ring and two fused rings, which have the cis arrangement at the ring junctions, and gives a V-shaped geometry. The inter-planar angle between the five- and six-membered rings is 65.69 (11)°. The crystal structure is stablized by weak inter-molecular C-H⋯O hydrogen bonds.