13C NMR spectroscopic studies of the behaviors of carbonyl compounds in various solutions

被引：7
|
作者：
Hiraga, Yoshikazu [1 ]
Chaki, Saori [1 ]
Niwayama, Satomi [2 ]
机构：
[1] Hiroshima Inst Technol, Fac Life Sci, Saeki Ku, 2-1-1 Miyake, Hiroshima, Hiroshima 7315193, Japan
[2] Muroran Inst Technol, Grad Sch Engn, 27-1 Mizumoto Cho, Muroran, Hokkaido 0508585, Japan
来源：
TETRAHEDRON LETTERS | 2017年 / 58卷 / 50期
关键词：
C-13 NMR spectroscopy; Carbonyl compounds; Solvent polarity; Hydrogen bonding; Dipole interaction; CHEMICAL-SHIFT; SOLVENT; ACETONE; POLAR;
D O I：
10.1016/j.tetlet.2017.10.071
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
C-13 NMR spectroscopic studies were performed for carbonyl compounds having a hydroxyl group, a carboalkoxy group, an acetoxy group, or a carboxyl group in various solvents with different polarities for observation of their behaviors of C-13 NMR chemical shifts of carbonyl carbons in solutions. It was found that the chemical shifts of the carbonyl carbons in C-13 NMR have good correlation with the empirical parameter for solvent polarities, al, depending on the structures. Inter-or intramolecular hydrogen bonding and dipolar-dipolar interactions appear to play a key role in this observation. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4677 / 4681
页数：5
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