22261-06-9Relevant academic research and scientific papers
A new method for synthesis of 1H-pyrazol-3(2H)-ones
Magedov,Smushkevich
, p. 845 - 848 (1991)
A new preparative method is reported for the synthesis of 4,5-disubstituted 1,2-dimethyl-1H-pyrazol-3(2H)-ones 5a-e,g-k from N,N-diacyl-N,N'-dimethylhydrazines 1a-e,g,h,j,k. The method is based on the intramolecular formation of thc 4,5-bond in the pyrazo
