Canadian Journal of Chemistry

DIRECT CARBONYLATION OF THE BENZOPHENONE SEMICARBAZONES AND BENZOPHENONE AZINE USING DICOBALT OCTACARBONYL

A Rosenthal, S Millward

Index: Rosenthal,A.; Millward,S. Canadian Journal of Chemistry, 1963 , vol. 41, p. 2504 - 2509

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Citation Number: 14

Abstract

Benzophenone semicarbazone (I) reacted with carbon monoxide at about 4000 psi and at 235-245° in the presence of preformed dicobalt octacarbonyl as catalyst to yield 3-phenyl- phthalimidine (II), 3-phenyl-2-(N benzhydrylcarboxamido) phthalimidine (V), N, N'- dibenzhydrylurea (VI), and N-benzhydrylurea (VII). At 200-220° substance I gave compound VII, benzophenone azine (VIII), and benzophenone 4-benzhydrylsemicarbazone (IX). ...

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