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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2361775Generated: October 31, 2026

4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → 4-[4-(3,5-Dimethyl-1H-pyrazol-4-yl)-phenyl]-4-phenyl-piperidine

https://huagongshe.com/reaction/2361775

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 2774010—
ReactantHCID 3871102HCID 3871102—
Reactant3,5-Dimethylpyrazole-4-boronic acid, pinacol esterHCID 16217713—
Product4-[4-(3,5-Dimethyl-1H-pyrazol-4-yl)-phenyl]-4-phenyl-piperidineHCID 11256009—

Reaction Steps

By following the procedure described in Example 1 but substituting 2-(4-chlorophenyl)-2-phenylethylamine hydrochloride and 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole for 4-(4-chloro-phenyl)-4-phenyl-piperidine and 3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole, the title compound was obtained. LC/MS: (PS-A2) Rt 2.95 [M+H]+ 315. 1H NMR (Me-d3-OD) δ 2.22 (6H, s), 2.66-2.76 (4H, m), 3.16-3.28 (4H, m), 7.19-7.44 (9H, m).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08691806B2
Source datasetuspto-grants-2014_04
ORD IDord-562118ae213d4a25b0baa47868a244d3
Source noteuspto-grants-2014_04