Cesium carbonate → 4-[2-(5-Chloro-2-fluoro-phenyl)-6,6-dimethyl-6,7-dihydro-5H-cyclopentapyrimidin-4-ylamino]-nicotinic acid methyl ester

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

To a solution of 2-(5-Chloro-2-fluoro-phenyl)-4-iodo-6,6-dimethyl-6,7-dihydro-5H-cyclopentapyrimidine (500 mg, 1.24 mmol), 4-amino-nicotinic acid methyl ester (208 mg, 1.37 mmol), Pd(OAc)2 (14 mg, 62.09 μmol) and Rac-BINAP (60 mg, 93.14 μmol) in dry dioxane (10 mL) was added Cs2CO3 (607 mg, 1.86 mmol). The mixture was heated for 12 h at 85° C., cooled and evaporated. The residue was purified by chromatography (CH2Cl2, 0-10% MeOH) to give the desired product (178 mg, 34% yield).

Herkunft & Nachweise