反応 #93770

反応方程式

product

Ethyl 8-methoxycarbonyl-4-oxo-10-propyl-6-trichloroacetamido-4H-pyrano[3,2-g)quinoline-2-carboxylate

ammonia

→

title compound

Ethyl 6-amino-8-methoxycarbonyl-4-oxo-10-propyl-4H-pyrano [3,2-g]-quinoline-2-carboxylate

溶媒

sulphuric acid

反応条件

後処理

1. 1
   ろ過the precipitate filtered

実験手順

The product of step (a) (1.0 g) was dissolved in concentrated sulphuric acid (1 ml) and stirred vigorously for 0.5 hours. The deep rep solution was then poured into iced aqueous ammonia solution (100 ml), and the precipitate filtered to give the title compound, 0.5 g, as an orange powder, mp 265°-270° C. (decomposes).

出典