PYRIDAZINE DERIVATIVES. XXIV.[1] EFFICIENTN-METHYLATION OF DIVERSELY SUBSTITUTED 3(2H)-PYRIDAZINONES USINGN,N-DIMETHYLFORMAMIDE DIMETHYLACETAL
摘要:
A series of diversely substituted 3(2H)-pyridazinones were efficiently N-methylated at position 2 by treatment with N,N-dimethylformamide dimethylacetal in DMF.