Reacción #413817

Ecuación de reacción

3,5-dimethylaniline

dimethylacetylene dicarboxylate

→

methyl 5,7-dimethyl-4-oxo-1,4-dihydroquinoline-2-carboxylate

Rendimiento 3.3%

Condiciones de reacción

Procedimiento

Using the method described in Example 18a with 3,5-dimethylaniline (20 g) and dimethylacetylene dicarboxylate (23.4 g) as reagents gave methyl 5,7-dimethyl-4-oxo-1,4-dihydroquinoline-2-carboxylate (1.25 g), m.p. 227°-229° C. δ (360 MHz, DMSO-d6) 2.34 (3H, s, 7-Me), 2.74 (3H, s, 5-Me), 3.94 (3H, s, CH3O), 6.49 (1H, s, 3-H), 6.89 (1H, s, 6-H) and 7.54 (1H, s, 8-H).

Fuente