Tricyclohexylphosphine → (5-(2-(Ethylsulfonyl)propan-2-yl)pyridin-3-yl)boronic acid

Participants

Reaction Conditions

Reaction Steps

A vial containing the title compound from Example 62 Step D (0.030 g, 0.103 mmol), bis(pinacolato)diboron (0.052 g, 0.205 mmol), tris(dibenzylideneacetone)dipalladium (0) (0.019 g, 0.021 mmol), tricyclohexylphosphine (0.012 g, 0.041 mmol) and potassium acetate (0.030 g, 0.308 mmol) in 1,4-dioxane (0.510 mL) was flushed with nitrogen, sealed tightly and heated to 80° C. overnight. The reaction was then passed through a syringe filter and concentrated under reduced pressure to provide the title compound: LCMS m/z 258.29 [M+H]+.

Provenance & Evidence