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Methylation of methyl 6 o trityl alpha d manno pyranoside a new way to synthesize some d mannose methyl ethers/



Methylation of methyl 6 o trityl alpha d manno pyranoside a new way to synthesize some d mannose methyl ethers/



Khimiya Prirodnykh Soedinenii (4): 432-435



The partial methylation of methyl-6-0-trityl-.alpha.-mannopyranoside (I) in dimethylformamide and dimethylsulfoxide was performed using Coon's method (BaO, Ba(OH)2.cntdot.8H2O, CH3I). Simple methods were proposed for the preparation of 3-, 4-0-, 2,3-, 2,4-, 3,4-di-0- and 2,3,4-tri-0-methyl ethers of I. Polarimetry, refractometry and TLC were used to determine properties of the synthesized compounds.

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