HCID 21850854, compound → HCID 21850845, compound

Participants

Reaction Conditions

Reaction Steps

28.5 g of ethyl 2-ethoxycarbonyl-3-(2-methoxypyridin-3-yl)aminoacrylate prepared in the above (A) was dissolved in 150 ml of diphenyl ether, and the resulting solution was heated to reflux for 1.5 hours and cooled to about 60° C. Petroleum ether was added to give precipitates, which were filtered to give 14.1 g (59%) of the titled compound as brown crystals.

Provenance & Evidence