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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 883360Generated: October 27, 2026

1-Phenylpiperazine → 1-(3-(1-tert-butyl-5-(thiophene-2-yl)-1H-pyrazol-3-yl)propyl)-4-phenylpiperazine

https://huagongshe.com/reaction/883360

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-PhenylpiperazineHCID 7096—
ReactantDiisopropylethylamineHCID 81531—
ReactantSodium triacetoxyborohydrideHCID 5049666—
Reactant3-(1-tert-butyl-5-(thiophene-2-yl)-1H-pyrazol-3-yl)propanalHCID 86639925—
Product1-(3-(1-tert-butyl-5-(thiophene-2-yl)-1H-pyrazol-3-yl)propyl)-4-phenylpiperazineHCID 25064647—

Reaction Steps

81 mg (95%) of target compound was obtained by using a method same as in Example 1 by using 3-(1-tert-butyl-5-(thiophene-2-yl)-1H-pyrazol-3-yl)propanal (50 mg, 0.191 mmol), 1-phenylpiperazine (0.029 mL, 0.191 mmol), DIPEA (0.050 mL, 0.287 mmol) and NaBH(OAc)3 (121 mg, 0.573 mmol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08236806B2
Source datasetuspto-grants-2012_08
ORD IDord-a181579a3fab49cc82b1e89c2c36c905
Source noteuspto-grants-2012_08