Synthesis of Two New Chromogenic Glycosides of 4-nitrocatechol - α-D-N-acetylmannopyranosaminide and α-L-rhamnopyranoside, as Substrates for Exoglycosidases

被引：0

作者：

Duica, Florentina ^{[1
]}

Gitman, Silvia Stefania ^{[1
]}

Hotoleanu, Corina Loredana ^{[1
]}

Nicolescu, Alina ^{[2
]}

Iga, Dumitru Petru ^{[1
]}

机构：

[1] Univ Bucharest, Fac Biol, Bucharest 050095, Romania

[2] Petru Poni Inst Macromol Chem, Grp Biospect, Iasi 700487, Romania

来源：

REVISTA DE CHIMIE | 2015年 / 66卷 / 11期

关键词：

N-acetyl-D-mannosamine; L-rhamnose; 4-nitrocatechol; glycoside; BETA-D-GALACTOSIDE; RAT-LIVER; EXO-GALACTOFURANOSIDASES; GLUCOSIDASE; GLUCURONIDATION; DEGRADATION; INHIBITORS; SULFATE; ASSAY; YOPH;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The peracetates of N-acetyl-D-mannosamine and L-rhamnose were reacted with 4-nitrocatechol in a Helferich glycosylation, by using BF3 center dot OBu2 as chemical promotor. The synthesized glycosides were purified by column chromatography on silica gel or by crystallization from ethanol and then characterized chemically, chromatographically and by H-1 and C-13 NMR spectroscopy. Both synthetic glycosides were hydrolyzed by an enzymatic extract of snail, Helix pomatia.

引用

页码：1747 / 1750

页数：4

共 23 条

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