Reaction #336862

Reaction equation

3f

Ethyl 4-chloro-6-methyl-quinoline-3-carboxylate

phenyl hydrazine

→

title compound

8-Methyl-2-phenyl-2,5-dihydro-pyrazolo-(4,3-c)quinolin-3-one

Conditions

Procedure

The title compound was prepared following the procedure described in Step 3 using 3f and phenyl hydrazine. 1H NMR (DMSO-d6) δ (ppm): 2.46 (3H, s), 7.16 (1H, t, J=7.41 Hz), 7.41 (2H, dd, J=8.51, 7.14 Hz), 7.46 (1H, dd, J=8.52, 1.92 Hz), 7.58 (1H, d, J=8.51 Hz), 8.00 (1H, br), 8.21 (2H, dd, J=7.69, 1.10 Hz), 8.66 (1H, s). m/z 276.3 (MH+).

Source