反应详情

Upon boiling a solution of 6.3 g of 1-naphthaldehyde, 4.5 g of cyclohexane-1,3-dione and 5.2 g of amidinoacetic acid ethyl ester in 150 ml of ethanol for 2 hours, 2-amino-4-(naphth-1-yl)-1,4,5,6,7,8-hexahydro-5-oxoquinoline-3-carboxylic acid ethyl ester of melting point 279°C (ethanol/DMF) is obtained.

1. customfor 2 hours