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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 883362Generated: October 27, 2026

Diisopropylethylamine → 1-(3-(1-tert-butyl-5-(thiophene-2-yl)-1H-pyrazol-3-yl)propyl)-4-(4-chlorophenyl)piperazine

https://huagongshe.com/reaction/883362

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant1-(4-Chlorophenyl)piperazineHCID 97478—
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-(4-chlorophenyl)piperazineHCID 25064649—

Reaction Steps

77 mg (73%) 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-(4-chlorophenyl)piperazine (34 mg, 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-2eebf0fd221545e2b963831216c20b50
Source noteuspto-grants-2012_08