1: 4-methyl-quinoline-6-carbonitrile With sodium t-butanolate in tetrahydrofuran T=5 - 25°C; 0.5 h; 2: methyl 6-methyl-2-pyridinecarboxylate in tetrahydrofuran T=20 - 25°C; 2.33333 - 2.66667 h; Product distribution / selectivity;