HCID 58883454, compound → HCID 69074359, compound

Participants

Reaction Steps

A solution of 6-(tert-butyl-dimethyl-silanyloxy)-4,4,7-trimethyl-3,4-dihydro-naphthalene-1-carboxylic acid ethyl ester (Intermediate 190, 0.95 g, 2.54 mmol) in ethanol was treated with a slurry of 5% palladium on carbon (0.3 g) in ethyl acetate (0.5 mL) and the resulting reaction mixture was stirred under an atmosphere of hydrogen overnight. The solids were filtered over a bed of celite and the filtrate was evaporated in vacuo to aford the title compound as a viscous oil (0.95 g,˜100%).

Provenance & Evidence