Journal of Heterocyclic Chemistry p. 479 - 480 (1996)
Update date:2022-08-03
Topics:
Molinari, Aurora
Oliva, Alfonso
3-Hydroxy-1-phenyl-2-pyrazolin-5-one 1 reacts with primary, secondary and allylic alcohols under catalytic acidic conditions and in the presence of 3 A molecular sieves, to afford 3-alkoxy-1-phenyl-2-pyrazolin-5-ones 3.
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(1971)
