244638-44-6Relevant articles and documents
Synthesis of 5-substituted ethyl 3-oxo-2h-pyrazolo[4,3-c]pyridine-7-carboxylates
Bevk, David,Jakse, Renata,Golobic, Amalija,Golic, Ljubo,Meden, Anton,Svete, Jurij,Stanovnik, Branko
, p. 609 - 629 (2007/10/03)
Ethyl (2E)-3-dimethylamino-2-[(4Z)-4-dimethylaminomethylidene-5-oxo-1-phenyl-4, 5-dihydro-1H-pyrazol-3-yl]propenoate (3) was transformed with N-nucleophiles into ethyl 3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxylates (6, 7, 9, 12, and 14).