O-17 NUCLEAR MAGNETIC-RESONANCE .4. O-17 NMR CHEMICAL-SHIFTS VERSUS STRUCTURE RELATIONSHIPS IN OXIRANES

被引:7
作者
IWAMURA, H
SUGAWARA, T
KAWADA, Y
TORI, K
MUNEYUKI, R
NOYORI, R
机构
[1] SHIONOGI & CO LTD, SHIONOGI RES LAB, FUKUSHIMA KU, OSAKA 553, JAPAN
[2] NAGOYA UNIV, FAC SCI, DEPT CHEM, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN
关键词
D O I
10.1016/S0040-4039(01)95432-2
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Natural-abundance 17O NMR spectra have been measured for twenty one oxiranes. Their chemical shifts covering a 100 ppm range were interpreted in terms of the paramagnetic β- and diamagnetic γ-effects. In addition, through-space orbital interaction between the ethylenic π and the Walsh orbitals of the oxirane ring was suggested by a lowfield shift in norbornadiene exo-oxide. © 1979.
引用
收藏
页码:3449 / 3452
页数:4
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