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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2041236Generated: October 26, 2026

2-Acetyl-5-methylthiophene → 1-(5-Methyl-2-thienyl)ethanol

https://huagongshe.com/reaction/2041236

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Acetyl-5-methylthiopheneHCID 83655—
ReactantSodium borohydrideHCID 4311764—
SolventMethanolHCID 887—
Product1-(5-Methyl-2-thienyl)ethanolHCID 1509179598.1%

Reaction Steps

Add sodium borohydride (270 mg, 7.13 mmol) to a solution of 2-acetyl-5-methylthiophene (1.0 g, 7.13 mmol) in methanol (40 mL). Stir the mixture for 1 h at room temperature. Remove the solvent in vacuo and partition the residue between water and DCM. Separate the organic phase, dry over Na2SO4, filter and concentrate to obtain the desired intermediate as an oil (0.995 g, 98%) that was used without further purification. GC-MS m/z 142 (M+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08580780B2
Source datasetuspto-grants-2013_11
ORD IDord-ed1bacafb5dc48c49f16aff7d56c8e5b
Source noteuspto-grants-2013_11