1-Phenylpiperazine → 1-phenyl-4-(3-(1-phenyl-5-propyl-1H-pyrazol-3-yl)propyl)piperazine

HRID 387132Notes

Reaction equation

[C:1]1([N:7]2[C:11]([CH2:12][CH2:13][CH3:14])=[CH:10][C:9]([CH2:15][CH2:16][CH:17]=O)=[N:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[C:19]1([N:25]2[CH2:30][CH2:29][NH:28][CH2:27][CH2:26]2)[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1.CCN(C(C)C)C(C)C.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>>[C:19]1([N:25]2[CH2:30][CH2:29][N:28]([CH2:17][CH2:16][CH2:15][C:9]3[CH:10]=[C:11]([CH2:12][CH2:13][CH3:14])[N:7]([C:1]4[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=4)[N:8]=3)[CH2:27][CH2:26]2)[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1

Participants

Reactant 4

HCID 70961-Phenylpiperazine

HCID 81531Diisopropylethylamine

HCID 5049666Sodium triacetoxyborohydride

HCID 866399313-(1-phenyl-5-propyl-1H-pyrazol-3-yl)propanal

Product 1

HCID 685560401-phenyl-4-(3-(1-phenyl-5-propyl-1H-pyrazol-3-yl)propyl)piperazine

Procedure

96 mg (69%) of target compound was obtained by using a method same as in Example 1 by using 3-(1-phenyl-5-propyl-1H-pyrazol-3-yl)propanal (80 mg, 0.330 mmol), 1-phenylpiperazine (0.050 mL, 0.330 mmol), DIPEA (0.090 mL, 0.495 mmol) and NaBH(OAc)3 (210 mg, 0.990 mmol).

Workup

custom96 mg (69%) of target compound was obtained

Sources & evidence

ORD record: ord-243929d07c72448b97aa0d12c44e13fa
Source dataset: uspto-grants-2013_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08372844B2

Reaction notes

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