Free accessResearch articleFirst published online 1999-2
Polycyclic N- Heterocyclic Compounds. Part 54. † Ring-cleavages and Ring-closures of N -(Benzo[ h ]quinazolin-4-yl)amidine and its Amide Oxime Derivatives with Hydroxylamine
The synthesis of abnormal cyclization products, 2-(3-alkyl(or aryl)[1,2,4]oxadiazol-5-yl)-3,4-dihydro-1-naphthylaminoformaldehyde oximes and their homologues, by the reaction of N-(benzo[h]quinazolin-4-yl)amidine or its amide oxime derivatives with excess NH2OH · HCI are described.
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