期刊
RUSSIAN CHEMICAL BULLETIN
卷 52, 期 2, 页码 427-436出版社
CONSULTANTS BUREAU
DOI: 10.1023/A:1023427403905
关键词
C -> N migration of the ethoxycarbonyl group; aryl isocyanates; ortho effect; phosphorus-containing zwitterions
The reactions of meta-para-substituted aryl isocyanates with phosphorus-containing 1,3-zwitterions, which proceed with the C-->N migration of the CO2Et group to form the corresponding carbamates, were extended to ortho-substituted aryl isocyanates. The influence of the steric and electronic effects of the ortho substituents in the aromatic rings of aryl isocyanates on the ease of this rearrangement is qualitatively considered.
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