Benzoic acid, 4-((5,6,7,8-tetrahydro-5,5-dimethyl-8-oxo-2-naphthalenyl)ethynyl)-, ethyl ester → Ethyl 4-[(5,6,7,8-tetrahydro-5-hydroxy-8,8-dimethylnaphth-3-yl)ethynyl]benzoate

Participants

Reaction Steps

Employing the same general procedure as for the preparation of ethyl 4-[(5,6,7,8-tetrahydro-5-hydroxy-8,8-dimethylnaphth-2-yl)ethynyl]benzoate (Compound 9), 1 g (2.88 mmol) of ethyl 4-[(5,6,7,8-tetrahydro-8,8-dimethyl-5-oxonaphth-3-yl)ethynyl]benzoate (Compound 2) was converted into the title compound using 60 mg (1.6 mmol) of sodium borohydride.

Provenance & Evidence