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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 337859Generated: October 30, 2026

Methanol → (1S*,2R*)-4,4-Difluoro-2-(1-methyl-1H-pyrazol-5-yl)cyclohexanol

https://huagongshe.com/reaction/337859

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantSodium borohydrideHCID 4311764—
Reactant4,4-Difluoro-2-(1-methyl-1H-pyrazol-5-yl)cyclohex-2-en-1-oneHCID 89962940—
CatalystHCID 178420936HCID 178420936—
SolventEthanolHCID 702—
Product(1S*,2R*)-4,4-Difluoro-2-(1-methyl-1H-pyrazol-5-yl)cyclohexanolHCID 8996301129%

Reaction Steps

The reaction and aftertreatment were conducted in the same manner as in Example 67d by using the 4,4-difluoro-2-(1-methyl-1H-pyrazol-5-yl)cyclohex-2-en-1-one (170 mg, 0.80 mmol) prepared in Example 88f, sodium borohydride (60 mg, 1.59 mmol), methanol (3.0 mL), palladium hydroxide carbon (10%; 150 mg) and ethanol (4.0 mL), to yield the title compound (50 mg, 29%) as a colorless solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08889741B2
Source datasetuspto-grants-2014_11
ORD IDord-add4bf05207c4c8aa4d5e5316f6d7287
Source noteuspto-grants-2014_11