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
来源：
TETRAHEDRON LETTERS | 1979年 / 20卷 / 36期
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.
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页码：3449 / 3452
页数：4
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