S. Jegge, J. Lehmann
1984
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Journal
Carbohydrate research
Abstract
Methyl 4-O-(4-alpha-D-glucopyranosyloxy-4-methoxybutyl)-alpha-D-glu copyranoside (9) was synthesised by transacetalation from methyl 2,3,6-tri-O-acetyl-4-O-(4,4-dimethoxybutyl)-alpha-D-glucopyranosid e and trimethylsilyl 2,3,4,6-tetra-O-acetyl-alpha-D-glucopyranoside followed by removal of the blocking groups. Compound 9, which is methyl alpha-maltotrioside modified by replacing the middle D-glucosyl residue with an acyclic spacer, competitively inhibits the hydrolysis of p-nitrophenyl alpha-maltotrioside by porcine alpha-amylase.