Abstract
All possible methyl ethers of methyl β- d-arabinofuranoside and methyl β- d-arabinopyranoside were prepared by partial methylation using Kuhn's method (Ag 2O and MeI in N,N-dimethylformamide) and Haworth's method (Me 2SO 4 and 40% NaOH in water). The ratios of the methyl ethers obtained from the furanoside were found to be considerably more dependent on the method of methylation than those from the pyranoside. All of the methyl ethers of d-arabinofuranose and d-arabinopyranose are separable by thin-layer chromatography on silica gel and paper electrophoresis in borate buffer.
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