852674-07-8Relevant articles and documents
Synthesis and properties of N-methyl and N-phenyl derivatives of 1,4-dioxo-1,2,3,4-tetrahydropyrido[3,4-d]pyridazines.
Sladowska,Sokolowska,Sabiniarz,Filipek,Sapa
, p. 211 - 218 (2007/10/03)
2-Methoxy- and 2-ethoxy-6-methyl-3,4-pyridinedicarboximides (XI, XII) reacted with N-methylhydrazine giving 2- and 3-methyl derivatives of the appropriate 1,4-dioxo-1,2,3,4-tetrahydropyrido[3,4-d]pyridazines (XV, XIII and XVI, XIV). In both cases 3-methyl