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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 337723Generated: October 26, 2026

Cyclohexene oxide → (1S*,2R*)-2-(1-Ethyl-1H-pyrazol-5-yl)cyclohexanol

https://huagongshe.com/reaction/337723

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclohexene oxideHCID 9246—
Reactant1-EthylpyrazoleHCID 498446—
ReactantButyllithiumHCID 178418339—
SolventTetrahydrofuranHCID 8028—
Product(1S*,2R*)-2-(1-Ethyl-1H-pyrazol-5-yl)cyclohexanolHCID 8996289857%

Reaction Steps

The reaction and aftertreatment were conducted in the same manner as in Example 4a by using 1-ethylpyrazole (2.50 g, 26.0 mmol), butyl lithium (1.63 M solution in hexane; 18.1 mL, 29.5 mmol), cyclohexene oxide (2.97 g, 30.3 mmol) and THF (60 mL), to yield the title compound (2.86 g, 57%) as a colorless oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08889741B2
Source datasetuspto-grants-2014_11
ORD IDord-d8668b72b9874a869aa94e5db16b42b7
Source noteuspto-grants-2014_11