二 - O - 三苯甲基 -（三苯甲基 -）环麦芽六糖和 - 环麦芽七糖的制备以及通过“己 - 5 - 烯糖降解”对每种糖的三种位置异构体的表征

Preparation of di-O-triphenylmethyl-(trityl-) cyclomaltohexaoses and -cyclomaltoheptaoses and characterization of three positional isomers of each by the "hex-5-enose degradation".

作者信息

Tanimoto T, Tanaka M, Yuno T, Koizumi K

机构信息

Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Nishinomiya, Japan.

出版信息

Carbohydr Res. 1992 Jan;223:1-10. doi: 10.1016/0008-6215(92)80001-h.

DOI:10.1016/0008-6215(92)80001-h

PMID:1596911

Abstract

Regioisomeric 6(1),6n-di-O-trityl-cyclomaltohexaoses (cG6s) or -cyclomaltoheptaoses (cG7s) were prepared by the reaction of cyclomaltohexaose (1, cG6) or cylomaltoheptaose (5, cG7) with chlorotriphenyl-methane in pyridine and isolation by h.p.l.c. The regiochemical determination of each three ditrityl-substituted derivatives has been accomplished by the "hex-5-enose degradation", followed by measurement of their f.a.b.-mass spectra.

摘要

通过环麦芽六糖（1，cG6）或环麦芽七糖（5，cG7）与三苯基氯甲烷在吡啶中反应，并通过高效液相色谱法分离，制备了区域异构体6(1),6n - 二 - O - 三苯甲基 - 环麦芽六糖（cG6s）或 - 环麦芽七糖（cG7s）。每种三个三苯甲基取代衍生物的区域化学测定是通过“己 - 5 - 烯糖降解”完成的，随后测量它们的快原子轰击质谱。