1-(2,4-Xylyl)piperazine → 1-(2,4-dimethylphenyl)-4-(3-(1-phenyl-3-propyl-1H-pyrazol-5-yl)propyl)piperazine

HRID 387145Notes

Reaction equation

[C:1]1([N:7]2[C:11]([CH2:12][CH2:13][CH:14]=O)=[CH:10][C:9]([CH2:16][CH2:17][CH3:18])=[N:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:19][C:20]1[CH:25]=[C:24]([CH3:26])[CH:23]=[CH:22][C:21]=1[N:27]1[CH2:32][CH2:31][NH:30][CH2:29][CH2:28]1.CCN(C(C)C)C(C)C.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>>[CH3:19][C:20]1[CH:25]=[C:24]([CH3:26])[CH:23]=[CH:22][C:21]=1[N:27]1[CH2:28][CH2:29][N:30]([CH2:14][CH2:13][CH2:12][C:11]2[N:7]([C:1]3[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=3)[N:8]=[C:9]([CH2:16][CH2:17][CH3:18])[CH:10]=2)[CH2:31][CH2:32]1

Participants

Reactant 4

HCID 705441-(2,4-Xylyl)piperazine

HCID 81531Diisopropylethylamine

HCID 5049666Sodium triacetoxyborohydride

HCID 866399323-(1-phenyl-3-propyl-1H-pyrazol-5-yl)propanal

Product 1

HCID 685599681-(2,4-dimethylphenyl)-4-(3-(1-phenyl-3-propyl-1H-pyrazol-5-yl)propyl)piperazine

Procedure

134 mg (95%) of target compound was obtained by using a method same as in Example 1 by using 3-(1-phenyl-3-propyl-1H-pyrazol-5-yl)propanal (75 mg, 0.310 mmol), 1-(2,4-dimethylphenyl)piperazine (59 mg, 0.310 mmol), DIPEA (0.081 mL, 0.465 mmol) and NaBH(OAc)3 (197 mg, 0.930 mmol).

Workup

custom134 mg (95%) of target compound was obtained

Sources & evidence

ORD record: ord-aa6b3f5c7f754b6d80a44f5f98b87ddb
Source dataset: uspto-grants-2013_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08372844B2

Reaction notes

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