119337-47-2Relevant articles and documents
Pyridazines, XLIV. Novel Heteroaromatic Analogues of o-Aminobenzophenones-Preparation and Cyclization to Diazaacridone Derivatives
Grabenwoeger, Monika,Haider, Norbert,Heinisch, Gottfried
, p. 481 - 484 (2007/10/02)
A variety of 2-(alkylamino)phenyl 4-pyridazinyl ketones (3a-e) was prepared .The novel compounds were found to cyclize with remarkable regioselectivity upon treatment either with acetic anhydride or aqueous sodium hydroxide, giving 5-alkylpyridazino4,5-b