STUDIES WITH RADIOACTIVE SUGARS .I. ASPECTS OF ALCOHOLYSIS OF D-XYLOSE AND D-GLUCOSE - ROLE OF ACYCLIC ACETALS

被引:29
作者
FERRIER, RJ
HATTON, LR
机构
关键词
D O I
10.1016/S0008-6215(00)80060-9
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Examination of the early stages of the acid-catalysed methanolysis of d-xylose and d-glucose, using radioactive sugars, has shown that the hitherto undetected dimethyl acetals are formed, but that they are not primary products, and their concentrations do not exceed 2.5% at any stage. The possible mechanisms of the first step in glycosidation are discussed, and the suggested retention of anomeric configuration occurring during the ring expansion of furanosides is reconsidered. © 1968.
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