Synthesis p. 33 - 35 (1987)
Update date:2022-08-04
Topics: Synthesis Derivatives Hydroxylamine hydrazine Isoxazoles Pyrazoles
Vaquero, Juan J.
Fuentes, Luis
Castillo, Juan C. Del
Perez, Maria I.
Garcia, Jose L.
Soto, Jose L.
Benzylmalononitriles react with hydrazine or hydroxylamine to give 4-substituted 3,5-diaminopyrazoles or isoxazoles, respectively.Pyrazolo<1,5-a>pyrimidine derivatives are prepared by reaction of these pyrazoles with some 2,3-disubstituted propenenitriles
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