52204-40-7Relevant articles and documents
2,2'-PHENYLENEBIS(3-METHYL-3-PYRAZOLIN-5-ONES), A NEW CLASS OF BIS(3-PYRAZOLIN-5-ONES)
Venturello, Carlo,D'Aloisio, Rino
, p. 419 - 422 (2007/10/02)
Two convenient one-stage procedures for preparing a new class of bis(3-pyrazolin-5-ones), 6, from bis-diazonium salts, 5, and 2,5-dimethyl-3(2H)-furanone, 2, are described.Some aspects of the reaction mechanism and the special activity of 2 as coupling component are discussed.