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Chiral Ligands Derived from Carbohydrates. 21. Crystal Structure of Methyl-4,6-O-benzylidene-3- deoxy-3-（salicylideneamino）-α-D-altropyranoside

Liu、Pei Pei、Jia Jia、Li、Tong、Qingsong、Meng Meng、Xiang-hua

2008结构化学Chemistry被引 1

摘要

A new chiral Schiff base derived from carbohydrate,methyl-4,6-O-benzylidene-3-deoxy-3-(salicylideneamino)-α-D-altropyranoside,has been synthesized by reacting methyl 3-ami-no-4,6-O-benzylidene-3-deoxy-α-D-altropyranoside with salicylaldehyde in methanol and charac-terized by IR,1H NMR,13C NMR,MS,elemental analysis,and X-ray crystal structure analysis.The crystal belongs to orthorhombic,space group P212121 with a = 8.0856(16),b = 10.786(2),c = 22.690(5),V = 1978.8(7) 3,Z = 4,Mr = 385.40,Dc = 1.294 g/cm3,μ = 0.095 mm-1,F(000) = 816,the final R = 0.0379 and wR = 0.0811 for 2597 independent reflections.In the title compound,the pyrano-ring adopts a twisted 1C4 chair conformation.

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