89522-16-7Relevant articles and documents
Friedlaender Condensation of 1H-Pyrazolin-5-ones with o-Aminobenzaldehydes. Synthesis of 1H-Pyrazoloquinolines
Tomasik, Danuta,Tomasik, Piotr,Abramovitch, Rudolph A.
, p. 1539 - 1543 (2007/10/02)
All the possible 1- and 3-monomethyl, monophenyl, dimethyl, diphenyl, and methylphenyl-1H-pyrazolin-5-ones have been condensed with o-aminobenzaldehyde.In some cases (but not all) 1-H-pyrazoloquinolines (10) are formed together with a variety of other products.The balance between formation of hydrazone 11 and the ring-closed 10 is discussed, as is the formation of other products obtained in these condensations.