2-(3-Aryl-2-pyrazoline-5-yl)-4H-benzoxazin-4-ones I react easily with amines in ethanol or glacial acetic acid to furnish the corresponding anilide or quinazolone derivatives. Acetylation, benzoylation and nitrosation of led to the formation of N-acetyl, N-benzoyl and N-nitroso derivatives. Other transformations of I were also investigated.
M A I SALEM ,E A SOLIMAN ,M A HASSAN ,I S SHERIF ,
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