Sodium Carbonate → HCID 58513533, compound

Participants

Reaction Steps

A mixture of 500 mg (1.9 mmol) 4-chloro-6-methyl-5-(6-amino-pyridin-3-ylethynyl)-pyrimidin-2-ylamine, 1.2 g (3.9 mmol) 4-(4,4,5,5-tetramethyl-[1,3,2]-dioxaborolan-2-yl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester, 135 mg (1.9 mmol) Pd(PPh3)2Cl2, 40 mL 1 M aqueous Na2CO3 solution and 244 mg LiCl (5.78 mmol) in 100 mL toluene/ethanol (4:1 v/v) is kept over 2 days at reflux. After cooling the solvent is evaporated, water is added and the aqueous suspension is extracted 4 times with ethyl acetate (200 mL each). The organic layer is dried over MgSO4 and the solvent is removed under reduced pressure. The residue is purified using flash column chromatography yielding 635 mg (1.56 mmol) of the desired product which is used without further purification in the next step.

Provenance & Evidence