Conformationally restricted 2-substituted wyosine derivatives.: 1H, 13C, and 15N NMR study

被引：2
|
作者：
Baranowski, D
Golankiewicz, B
Plavec, J
机构：
[1] Polish Acad Sci, Inst Bioorgan Chem, PL-61704 Poznan, Poland
[2] NMR Ctr, Natl Inst Chem, Ljubljana, Slovenia
来源：
NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS | 2003年 / 22卷 / 5-8期
关键词：
wyosine derivatives; restricted conformation H-1; C-13; N-15 NMR study; North conformation preference;
D O I：
10.1081/NCN-120023109
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：
It was found by H-1, C-13 and N-15 NMR study that substitution of 4,9-dihydro-4, 6-dimethyl-9-oxo-3-(2',3',5'-tri-O-acetyl-beta-D-ribofuranosyl) imidazo [1,2-a]purine (wyosine triacetate, 1) at C2 position with electronegative groups CH3O and C6H5CH2O results in a noticeable electron distribution disturbance in the "left-hand" imidazole ring and a significant increase in the North conformer population of the sugar moiety.
引用
收藏
页码：1669 / 1672
页数：4
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