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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45551Generated: October 30, 2026

4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → 4-{-4-[4-(1H-Pyrazol-4-yl)-phenyl]-piperidin-4-yl}-benzonitrile

https://huagongshe.com/reaction/45551

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 2774010—
Reactant4-[4-(4-Chlorophenyl)piperidin-4-yl]benzonitrileHCID 67235769—
CatalystHCID 178418397HCID 178418397—
Product4-{-4-[4-(1H-Pyrazol-4-yl)-phenyl]-piperidin-4-yl}-benzonitrileHCID 11163265—

Reaction Conditions

Temperature100 °C

Reaction Steps

4-[4-(4-chloro-phenyl)-piperidin-4-yl]-benzonitrile was reacted with 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole following the procedure set out in Example 1, but using tetrakis(triphenylphosphine)palladium (0) as the catalyst and heating at 100° C. for 15 minutes, to obtain the title compound. LCMS (PS-A3) Rt 6.68 min [M+H]+ 329. 1H NMR (Me-d3-OD) δ 2.65-2.73 (4H, m), 2.77-2.85 (4H, m), 3.75 (3H, s), 7.46 (2H, d), 7.59 (2H, d), 7.68 (2H, d), 7.71 (2H, d), 8.42 (2H, br.s).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541461B2
Source datasetuspto-grants-2013_09
ORD IDord-2778b944c6e543cfbe775aca2c67ec17
Source noteuspto-grants-2013_09