O-17 NMR-STUDIES OF DIARYL A-DIKETONES - THE CASE OF 2,2',4,4',6,6'-HEXA-TERT-BUTYLBENZIL

被引:10
作者
CERIONI, G
PLUMITALLO, A
FREY, J
RAPPOPORT, Z
机构
[1] UNIV CAGLIARI,DIPARTIMENTO FARMACO CHIM TECNOL,I-09124 CAGLIARI,ITALY
[2] HEBREW UNIV JERUSALEM,DEPT ORGAN CHEM,IL-91904 JERUSALEM,ISRAEL
关键词
NMR; O-17; DIARYL ALPHA-DIKETONES; HAMMETT CORRELATION; CONFORMATIONS;
D O I
10.1002/mrc.1260331106
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Natural abundance O-17 NMR spectra of eleven diaryl alpha-diketones are reported, An excellent correlation was found between O-17 shifts and sigma(p)(+). Conformations and pi character of the intercarbonyl C-C bond are discussed.
引用
收藏
页码:874 / 878
页数:5
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