O-17 NMR-STUDY OF ISOMERIC MONOCHLORO-BENZALDEHYDES AND MONOHYDROXY-BENZALDEHYDES AND CHLORINATED SALICYLALDEHYDES

被引：8
作者：
KOLEHMAINEN, E
KNUUTINEN, J
机构：
[1] Department of Chemistry, University of Jyväskylä, Jyväskylä, SF-40351
来源：
MAGNETIC RESONANCE IN CHEMISTRY | 1991年 / 29卷 / 05期
关键词：
O-17; NMR; CHEMICAL; SHIFTS; MONOHYDROXYBENZALDEHYDES; MONOCHLOROBENZALDEHYDES; CHLORINATED SALICYLALDEHYDES;
D O I：
10.1002/mrc.1260290520
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The O-17 NMR chemical shifts of isomeric monochloro- and monohydroxybenzaldehydes and chlorinated salicylaldehydes were measured at 40-degrees-C for 0.25 M CDCl3 solutions. The O-17 NMR chemical shift of the carbonyl oxygen of the compounds studied varies from 506 to 573 ppm measured from external D2O. The observed variation is probably mainly due to the intramolecular hydrogen bonding between the adjacent carbonyl and hydroxyl groups. The O-17 NMR chemical shift range of the hydroxyl oxygen is from 80 to 98 ppm.
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页码：520 / 521
页数：2
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