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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 872770Generated: October 30, 2026

Hydrochloric Acid → 2,6-dichloro-4-(1H-pyrazol-5-yl)benzonitrile hydrochloride

https://huagongshe.com/reaction/872770

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 11587208—
ReactantHCID 15811087HCID 15811087—
Product2,6-dichloro-4-(1H-pyrazol-5-yl)benzonitrile hydrochlorideHCID 67172746—

Reaction Steps

The title compound was prepared from 2,6-dichloro-4-iodobenzonitrile (1.09 g, 3.66 mmol) and 1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester (1.32 g, 4.76 mmol) as described in Example 34 (a) and (b) until the isolation of the hydrochloride. Yield 0.824 g. 1H NMR (400 MHz; d6-DMSO): δ 7.07 (d, 1H), 7.88 (d, 1H), 8.14 (s, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08975254B2
Source datasetuspto-grants-2015_03
ORD IDord-2b5be641e0534fd6849d03fd483f32fc
Source noteuspto-grants-2015_03