N-bromobutanimide → Ethyl 6-(bromomethyl)-4-(5-fluoro-3',5'-bis(trifluoromethyl)-[1,1'-biphenyl]-2-yl)-2-(thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate

Participants

Reaction Steps

Ethyl 4-(5-fluoro-3′,5′-bis(trifluoromethyl)-[1,1′-biphenyl]-2-yl)-6-methyl-2-(thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate (5.69 g, 10.2 mmol) was reacted with NBS (2.2 g, 12.2 mmol) according to the procedure as described in Example 1, Step B to give the title compound as a yellow solid (3.57 g, 55%). The compound was characterized by the following spectroscopic data:

Provenance & Evidence