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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 915483Generated: November 3, 2026

Aluminium lithium hydride → [2-difluoromethyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-methanol

https://huagongshe.com/reaction/915483

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAluminium lithium hydrideHCID 21226445—
Reactant2-difluoromethyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazole-3-carboxylic acid ethyl esterHCID 67402530—
Product[2-difluoromethyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-methanolHCID 67402865—

Reaction Steps

In analogy to the procedure described for example 1 a], 2-difluoromethyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazole-3-carboxylic acid ethyl ester was reduced with lithium aluminium hydride to give [2-difluoromethyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-methanol as white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07265149B2
Source datasetuspto-grants-2007_09
ORD IDord-513444bd4625483eb6dc18d206c7ad1f
Source noteuspto-grants-2007_09