反应详情

温度

1 °C

To a 1000 ml volume four-necked flask, 1-methyl-2-(2-propylidene)hydrazine (17-a) (9.61 g), acetonitrile (280 ml), and triethylamine (17 ml) were added under a nitrogen atmosphere and cooled to about 1° C. To the mixture, 2-(2,6-diethyl-4-methylphenyl)-2-oxoacetyl chloride (6-a) (27.12 g) dissolved in acetonitrile (77 ml) was added dropwise over 30 minutes.

1. additionwas added dropwise over 30 minutes