Sodium Carbonate → (1S, 2R)-2,5-Difluoro-4'-(2-hydroxy-1-methyl-4-pyridin-3-yl-butoxy)biphenyl-4-sulfonic acid amide

Participants

Reaction Conditions

Reaction Steps

Prepared according to the method described in Example 12) from (1S,2R)-4-(2-hydroxy-1-methyl-4-pyridin-3-ylbutoxy)benzeneboronic acid (0.2 g, Example 33), 4-bromo-2,5-difluorobenzenesulfonamide (0.19 g, Example 37a)), ethanol (3 ml), 2M aqueous sodium carbonate (0.7 ml) and tetrakis(triphenylphosphine)palladium (0) (0.03 g) with heating at 80° C. for 3 hours. After work-up, the residue was purified by normal-phase HPLC eluting with a gradient of 0-25% ethanol in dichloromethane to give the title compound as a foam (0.11 g).

Provenance & Evidence