1962 Volume 35 Issue 7 Pages 1104-1106
The dehydration reactions of benzaldoxime with such nitrogen-carbon double bond compounds having halogen and alkoxyl groups as phenylimidophosgen, ethyl N-phenyliminochlo-roformate and ethyl N-phenylformidate were studied.
One mole of phenyl imidophosgene, when reacted with 1 mol. of benzaldoxime, gave phenyl isocyanate and benzonitrile as main products. On the other hand, with 2 mol. of the aldoxime, aniline hydrochloride and benzonitrile were obtained in good yields. The aldoxime was also dehydrated effectively by ethyl N-phenyliminochloroformate to give, among other byproducts, the nitrile and ethyl N-phenylcarbamate. The nitrile and formanilide were obtained by the reaction of the aldoxime with ethyl N-phenylformidate.
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