380894-93-9Relevant articles and documents
One-pot synthesis of functionalized 3-aryl-1-phenyl-1H-pyrazoles from hydrazonoyl chlorides and acetylenic esters in the presence of Ph3P
Yavari, Issa,Khalili, Gholamhossein,Mirzaei, Anvar
, p. 277 - 280 (2010)
The zwitterionic 1 :1 intermediates generated by addition of Ph 3P to acetylenic esters is trapped by 1-[(aryl)chloromethylene]-2- phenylhydrazines (=N-phenylarenecarbohydrazonoyl chlorides) to yield functionalized 3-aryl-1-phenyl-1H-pyrazoles