Hydrochloric Acid → N-(4-Fluoro-3-chloro-phenyl)-2-[N-methyl-N-(2,2-difluoroethyl)-amino]-4-methylamino-5-nitro-benzoic acid amide

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Reaction Steps

A mixture of N-(2,2-difluoroethyl)-N-methyl-amine×HCl (64 mg, 0.48 mmol), DIPEA (0.64 ml, 3.73 mmol), N-(4-fluoro-3-chloro-phenyl)-2-fluoro-4-methylamino-5-nitro-benzoic acid amide (150 mg, 0.44 mmol) and MeCN (5 mL) is stirred for two weeks at reflux. Then the mixture is concentrated, diluted with EtOAc, washed with water, dried with Na2SO4 and concentrated and directly used in the next step.

Provenance & Evidence