Water → HCID 23047741, compound

Participants

Reaction Steps

12 g (41 mmol) of ethyl 7-(4-chlorophenyl)-2-cyanoheptanoate and 96 g of polyphosphoric acid are heated for 3 hours at 100° C. with stirring. Then the mixture is diluted with 200 ml of water and extracted thrice with methylene chloride. The combined extracts are washed with water, dried and concentrated. 10 g (78% of theory) of ethyl 2-(aminocarbonyl)-7-(4-chlorophenyl)heptanoate is obtained, M.P. 110°-111° C.

Provenance & Evidence