反应详情

A mixture of ethyl 3-ethoxy-3-imino-2-(cyclopropyloxyimino)propionate (syn isomer)(9.6 g) and ammonium chloride (3.27 g) in methanol (70 ml) was stirred at ambient temperature for 3 days. The mixture was concentrated in vacuo and triturated with diethyl ether to give crude ethyl 2-amidino-2(cyclopropyloxyimino)acetate hydrochloride (syn isomer) (9.00 g) as a solid.

1. concentrationThe mixture was concentrated in vacuo
2. customtriturated with diethyl ether