Tributylphosphine → (R/S) Ethyl 2-(6-(2,3-dihydro-1H-inden-2-yloxy)-1,2,3,4-tetrahydronaphthalen-1-yl)acetate

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Reaction Steps

Tributyl phosphine (137 mg, 0.68 mmol) and TMAD (122 mg, 0.68 mmol) were added successively to a dry benzene (10 mL) solution of 2-indanol (92 mg, 0.68 mmol) and ethyl 2-(6-hydroxy-1,2,3,4-tetrahydronaphthalen-1-yl)acetate 52.5 (160 mg, 0.68 mmol) with stirring under a nitrogen atmosphere. The reaction mixture was stirred at room temperature for 2 days. The product was isolated by silica gel column chromatography after filtration and evaporation of the solvent in vacuo. (R/S)-Ethyl 2-(6-(2,3-dihydro-1H-inden-2-yloxy)-1,2,3,4-tetrahydronaphthalen-1-yl)acetate (52) was obtained as a colorless oil (85 mg, 35%). LC-MS ESI (pos.) m/e: 351 (M+H).

Provenance & Evidence