6533b86efe1ef96bd12cc773

RESEARCH PRODUCT

ChemInform Abstract: Facile Synthesis of 5-Benzamido-4-diazopyrazole Derivatives, a Class of Biologically Active Agents and Key Intermediates.

Benedetta MaggioGiuseppe DaidoneM. L. BajardiDemetrio Raffa

subject

Nitrous acidchemistry.chemical_compoundAcetic acidchemistryBiological activityGeneral MedicineCombinatorial chemistry

description

Abstract By reacting l-R1-3-R2-5-(R3-substituted)benzamidopyrazoles with a great ex-cess of nitrous acid in acetic acid media, the related 4-diazoderivatives in 65–80% yields were obtained.

https://doi.org/10.1002/chin.199536147