Efficient N-Methylation of Diversely Substituted 3(2H)-Pyridazinones Using N,N- Dimethylformamide dimethylacetal

Sotelo, E., Raviña, E.

Synth. Commun., 2002, 32, 1675-1680. https://www.tandfonline.com/doi/full/10.1081/SCC-120004258