反应详情

A mixture of 23.8 g of 2,3-dioxobutyric acid, ethyl ester, (Z)-2-oxime, 18 g of 2-aminomethyl pyridine and 250 ml of acetonitrile was refluxed for 7 hours and then stored at -10° C. overnight. The solid was collected, giving 20.68 g of 5-methyl-2-(2-pyridinyl)-1H-imidazole-3-carboxylic acid, ethyl ester.

1. temperaturewas refluxed for 7 hours
2. customThe solid was collected