Ethyl aminomalonate hydrochloride

Methylimidazole HCI 2-Amino-5-chloro-2 -fluoro-benzophenone Ethyl aminomalonate hydrochloride... 

IB) 1-(2-Amino-5-chlorophenyl)-1-(2-fluorophenyl)-3,3-bis-(ethoxycarbonyl)-2-a2a-prop-1-ene A mixture of 88 g of the product obtained above, 300 g of ethyl aminomalonate hydrochloride and 60 ml of acetic acid in 2.3 liters of absolute ethanol is heated to the reflux temperature for 6 hours. The alcohol and the acetic acid are evaporated in vacuo and the residue is taken up in ether. The solution is washed with a dilute sodium bicarbonate solution and... 

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