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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 915448Generated: October 25, 2026

2,2,2-Trifluoroethyl trifluoromethanesulfonate → 2-(2,2,2-trifluoro-ethyl)-5-(4-trifluoromethoxy-phenyl)-2H-pyrazole-3-carboxylic acid ethyl ester

https://huagongshe.com/reaction/915448

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,2,2-Trifluoroethyl trifluoromethanesulfonateHCID 80366—
ReactantHCID 178468641HCID 178468641—
Product2-(2,2,2-trifluoro-ethyl)-5-(4-trifluoromethoxy-phenyl)-2H-pyrazole-3-carboxylic acid ethyl esterHCID 86600628—

Reaction Steps

In analogy to the procedure described for example 13 a], 5-(4-trifluoromethoxy-phenyl)-1H-pyrazole-3-carboxylic acid ethyl ester (example 11 b]) was reacted with trifluoroethyltriflate to give 2-(2,2,2-trifluoro-ethyl)-5-(4-trifluoromethoxy-phenyl)-2H-pyrazole-3-carboxylic acid ethyl ester as colorless solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07265149B2
Source datasetuspto-grants-2007_09
ORD IDord-b7fea0c673284251a1ee5388d78f7629
Source noteuspto-grants-2007_09