期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 75, 期 12, 页码 4212-4217出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo1006575
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资金
- City University of Hong Kong [7002353]
The enhanced reactivity exhibited by six pseudo-a-bases, RC=CZ(-) (R = H and Cl; Z = O, S, and Se) in gas-phase E2 reactions with ethyl chloride was examined at the G2(+) level. It is found that anomalous reactivity is observed despite the fact that these chalcogen bases do not possess adjacent lone-pair electrons. The influence of the halide leaving groups on the alpha-effect and the origin of the alpha-effect in the E2 reactions of ethyl halides are investigated and discussed.
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