Tributylvinyltin → {1-[4-(6-Phenyl-3-vinyl-imidazo[1,2-a]pyrimidin-7-yl)-phenyl]-cyclobutyl}-carbamic Acid Tert-butyl Ester

Participants

Reaction Conditions

Reaction Steps

A mixture of compound 4-3 (100 mg 0.193 mmol), Tributyl-vinyl-stannane (92 mg, 0.58 mmol), K2 CO3 (27 mg, 0.193 mmol), Et4NCl (31.8 mg 0.193 mmol) and Pd(PPh3)2Cl2 (10 mg) in THF (5 mL) was heated at 100° C. in microwave system under N2 atmosphere for 45 min. After cooling, the mixture was diluted with 15 mL of DCM, the combined organic phase was washed with 0.1N HClaq and brine, dried over anhydrous Na2SO4 and concentrated. The residue was purified by prep.TLC to give 78 mg of 4-5.

Provenance & Evidence