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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 51825Generated: October 26, 2026

Sodium borohydride → Methyl [4-(5-hydroxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl)-phenyl]-acetate

https://huagongshe.com/reaction/51825

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium borohydrideHCID 4311764—
ReactantMethyl [4-(8,8-dimethyl-5-oxo-5,6,7,8-tetrahydro-naphthalen-2-yl-ethynyl)-phenyl]-acetateHCID 12971710—
SolventMethanolHCID 887—
ProductMethyl [4-(5-hydroxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl)-phenyl]-acetateHCID 8658593787%

Reaction Conditions

Temperature0 °C

Reaction Steps

To a solution of methyl [4-(8,8-dimethyl-5-oxo-5,6,7,8-tetrahydro-naphthalen-2-yl-ethynyl)-phenyl]-acetate (Compound 4) in 5 mL MeOH at 0° C. was added NaBH4 (18.0 mg, 0.48 mmol). The reaction was stirred at 0° C. for 2 hours and then quenched by the addition of H2O. The solution was diluted with Et2O and washed with H2O and saturated aqueous NaCl before being dried (MgSO4) and the solvents were removed under reduced pressure. Column chromatography (20-40% EtOAc-hexanes) afforded 140.0 mg (87%) of the title compound as a colorless oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06713647B2
Source datasetuspto-grants-2004_03
ORD IDord-17e8658e25f640c7991e8aee5514b230
Source noteuspto-grants-2004_03