Regioselective synthesis of 2,5-dihydro-4H-pyrazolo[4,3-c]quinolin-4-ones by the cyclization of 3-acyl-4-methoxy-1-methylquinolinones with hydrazines

Regioselective synthesis of 2,5-dihydro-4H-pyrazolo[4,3-c]quinolin-4-ones by the cyclization of 3-acyl-4-methoxy-1-methylquinolinones with hydrazines

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 64, Issue 39, 22 September 2008, Pages 9275-9279

Stefano Chimichi, Marco Boccalini, Alessandra Matteucci,