257281-29-1Relevant academic research and scientific papers
A regioselective synthesis of 5-pyrazolones and pyrazoles from phosphazenes derived from hydrazines and acetylenic esters
Palacios, Francisco,Ochoa De Retana, Ana M.,Pagalday, Jaione
, p. 14451 - 14458 (2007/10/03)
Efficient and regioselective syntheses of 1-phenyl-5-pyrazolones substituted with a phosphoranylidene group in the 3-position and of 3- alkoxycarbonyl-5-methoxy-1-phenyl pyrazoles are described. The key step is the formation of functionalized hydrazones b
