16135-18-5Relevant articles and documents
An efficient one-pot synthesis of 1,3,5-substituted-1H-pyrazoles derivatives
Hassanabadi, Alireza,Hosseini-Tabatabaei, Mohammad R.,Shahraki, Mehdi,Anary-Abbasinejad, Mohammad,Ghoroghchian, Saeedeh
experimental part, p. 11 - 14 (2011/04/24)
One-pot reaction between dialkyl acetylendicarboxylates and different hydrazide acids in the presence of triphenylphosphine leds to 1,3,5-substituted-1H-pyrazoles derivatives in excellent yields. In the absence of triphenylphosphine, dialkyl acetylenedica