Acryloyl chloride → N-((1S,2R)-2-((6-(2,6-dichloro-3,5-dimethoxyphenyl)-8-ethyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)cyclopentyl)acrylamide

Participants

Reaction Steps

To a solution of 2-(((1R,2S)-2-aminocyclopentyl)amino)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-8-ethylpyrido[2,3-d]pyrimidin-7(8H)-one (0.105 mmol) in dichloromethane (2.1 mL) at −20° C. was added DIEA (0.018 mL, 0.105 mmol) and acryloyl chloride (0.008 mL, 0.105 mmol) and the reaction was stirred for 1 h. LC-MS indicated complete consumption of SM. The reaction mixture was purified by silica gel chromatography to yield N-((1S,2R)-2-((6-(2,6-dichloro-3,5-dimethoxyphenyl)-8-ethyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)cyclopentyl)acrylamide (36 mg, 65%). MS (ES+) C25H27Cl2N5O4 requires: 531, found: 532.

Provenance & Evidence