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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1660713Generated: October 28, 2026

Methanol → 3-O-Benzyl Estradiol

https://huagongshe.com/reaction/1660713

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantSodium borohydrideHCID 4311764—
Reactant(8R,9S,13S,14S)-13-methyl-3-phenylmethoxy-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-oneHCID 11132151—
SolventTetrahydrofuranHCID 8028—
Product3-O-Benzyl EstradiolHCID 11291413—

Reaction Steps

To a suspension of 3-benzyloxyestra-1,3,5(10)-trien-17-one BLE99049 (3.46 g, 9.59 mmol) in THF (15 ml) and MeOH (38 ml) was added sodium borohydride (0.36 g, 9.58 mmol) at 0° C. The reaction mixture was stirred for 30 min at room temperature, then quenched with 10 ml of saturated aqueous NH4Cl and 50 ml of H2O added. The precipitate was collected by filtration and washed with H2O to afford 3.50 g of 3-benzyloxyestra-1,3,5(10)-trien-17β-ol BLE99051 (100% crude yield) as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08030296B2
Source datasetuspto-grants-2011_10
ORD IDord-818618f2fe9741ea83ffd94b6c26a69c
Source noteuspto-grants-2011_10