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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1675443Generated: October 31, 2026

3-(Trifluoromethyl)pyrazole → 4,8-dichloro-7-methoxy-2-(3-(trifluoromethyl)-1H-pyrazol-1-yl)quinoline

https://huagongshe.com/reaction/1675443

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(Trifluoromethyl)pyrazoleHCID 1807034—
Reactant2,4,8-Trichloro-7-methoxyquinolineHCID 2794516—
Product4,8-dichloro-7-methoxy-2-(3-(trifluoromethyl)-1H-pyrazol-1-yl)quinolineHCID 5660521351%

Reaction Conditions

Temperature120 °C

Reaction Steps

A mixture of compound 45d (5 g, 19 mmol) and 3-trifluoromethylpyrazole 86a (7.76 g, 57 mmol) was heated at 120° C. for 4-6 hrs and the reaction was followed by LCMS and TLC. The reaction mixture was purified by silica gel column (mono and dipyrazole were separated) using DCM and heptane as mobile phase to yield compound 119b (3.5 g) in 51% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08003659B2
Source datasetuspto-grants-2011_08
ORD IDord-0fa65c2710fe4cd29c45d8683f731c92
Source noteuspto-grants-2011_08