Cesium carbonate → HCID 67340638, compound

Participants

Reaction Steps

The title compound was prepared by the same method as 4-{3-[6-(5-dimethylcarbamoyl-3′,4′-difluoro-biphenyl-3-yloxy)-hexyl]-2-(2-ethoxycarbonyl-ethyl)-phenoxy}-butyric acid ethyl ester starting from 4-[3-{6-[3-bromo-5-(3,3-difluoro-pyrrolidine-1-carbonyl)-phenoxy]-hexyl}-2-(2-ethoxycarbonyl-ethyl)-phenoxy]-butyric acid ethyl ester (135 mg, 0.194 mmol), phenylboronic acid (48.27 mg, 0.388 mmol), PdCl2(dppf) (21.24 mg, 0.03 mmol) and cesium carbonate (127.3 mg, 0.388 mmol) in 1,2-dimethoxyethane (5.0 mL) to obtain 4-[3-{6-[5-(3,3-difluoro-pyrrolidine-1-carbonyl)-biphenyl-3-yloxy]-hexyl}-2-(2-ethoxycarbonyl-ethyl)-phenoxy]-butyric acid ethyl ester (78 mg, 58%) as a colorless oil.

Provenance & Evidence