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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 872544Generated: October 30, 2026

4-Bromo-2,6-difluorobenzonitrile → 2,6-difluoro-4-(1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-5-yl)benzonitrile

https://huagongshe.com/reaction/872544

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Bromo-2,6-difluorobenzonitrileHCID 2756916—
Reactant1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 11587208—
Product2,6-difluoro-4-(1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-5-yl)benzonitrileHCID 67171596108.8%

Reaction Steps

The title compound was prepared from 4-bromo-2,6-difluorobenzonitrile (2.5 g, 11.47 mmol) and 1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (3.51 g, 12.61 mmol) using the method of Example 34(a) producing 3.61 g of title compound. 1H-NMR (400 MHz; d6-DMSO): δ 1.52-1.67 (m, 3H), 1.81-1.87 (m, 1H), 1.95-1.99 (m, 1H), 2.33-2.41 (m, 1H), 3.59-3.65 (m, 1H), 3.94-3.98 (m, 1H), 5.36-5.39 (m, 1H), 6.77 (d, 1H), 7.62 (s, 1H), 7.64 (s, 1H), 7.66 (d, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08975254B2
Source datasetuspto-grants-2015_03
ORD IDord-234d58da8dab43b197c2d7f5b7b6131f
Source noteuspto-grants-2015_03