4-[(5,6,7,8-Tetrahydro-5-hydroxy-8,8-dimethylnaphth-2-yl)ethynyl]benzoic acid → 4-[(5,6,7,8-Tetrahydro-8,8-dimethyl-5-trimethylsiloxynaphth-2-yl)ethynyl]benzoic acid

Participants

Reaction Steps

Employing the same general procedure as for the preparation of ethyl 4-[(5,6,7,8-tetrahydro-8,8-dimethyl-5-trimethylsiloxynaphth-2-yl)ethynyl]benzoate (Compound 111), 83 mg (0.26 mmol) of 4-[(5,6,7,8-tetrahydro-5-hydroxy-8,8-dimethylnaphth-2-yl)ethynyl]benzoic acid (Compound 42) was converted into the title compound (white solid) using 0.07 ml (0.65 mmol) of triethylamine and 0.08 ml (0.65 mmol) of chlorotrimethylsilane.

Provenance & Evidence