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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45508Generated: October 29, 2026

tert-Butyl piperazine-1-carboxylate → 1-{2-(4-Chloro-phenyl)-2-[4-(1H-pyrazol-4-yl)-phenyl]-ethyl}-piperidine

https://huagongshe.com/reaction/45508

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant1-{2-(4-Chloro-phenyl)-2-[4-(1H-pyrazol-4-yl)-phenyl]-ethyl}-piperazineHCID 11451440—
Reactant4-[2,2-Bis-(4-chloro-phenyl)-ethyl]-piperazine-1-carboxylic acid tert-butyl esterHCID 59331952—
Product1-{2-(4-Chloro-phenyl)-2-[4-(1H-pyrazol-4-yl)-phenyl]-ethyl}-piperidineHCID 11417238—

Reaction Steps

By following the procedure described in Example 33A, 33B and 33D but substituting piperidine for N—BOC-piperazine, the title compound was obtained. LC/MS: (PS-A2) Rt 2.21 [M+H]+ 366.09. 1H NMR (Me-d3-OD) δ 1.44 (2H, m), 1.53 (4H, m), 2.39-2.57 (4H, m), 2.94-3.09 (2H, m), 4.26 (1H, t), 7.22-7.35 (6H, m), 7.50 (2H, d), 7.91 (2H, s).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541461B2
Source datasetuspto-grants-2013_09
ORD IDord-05322ad904e34a5d9a8bdc5e8b1ec487
Source noteuspto-grants-2013_09