Acetic Acid → HCID 86749429, compound

Participants

Reaction Steps

A solution of (S,E)-3-[[1,1-Dimethylethyl)-diphenylsilyl]oxy]-4-[[2-[2-(4-fluorophenyl)-4-(1-methylethyl)-6-phenyl-3-pyridinyl]ethenyl]-methoxyphosphinyl]butanoic acid, methyl ester (241 mg, 0.321 mmol) in THF (7 ml) was treated with HOAc (92 ul, 96 mg, 1.61 mmol) and tetra-n-butylammonium fluoride (1.0M in THF, 963 ul, 0.963 mmol). After stirring at room temperature for 18 hours, the solution was poured into saturated NaHCO3 and extracted with EtOAc. The EtOAc extract was washed with brine, dried, (Na2 SO4), filtered, and stripped to give an oil which was subsequently chromatographed (flash, Merck SiO2, 1:1 acetone:hexane followed 100% acetone). (S,E)-4-[[2-[2-(4-Fluorophenyl)-4-(1-methylethyl)-6-phenyl-3-pyridinyl]ethenyl]-methoxyphosphinyl]butanoic acid, methyl ester (124 mg, 76%) was obtained as a colorless oil.

Provenance & Evidence