1-(2,3-Xylyl)piperazine → HCID 68557304, compound

HRID 883371Notes

Reaction equation

[C:1]1([N:7]2[C:11]([C:12]3[S:13][CH:14]=[CH:15][CH:16]=3)=[CH:10][C:9]([CH2:17][CH2:18][CH:19]=O)=[N:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:21][C:22]1[C:27]([CH3:28])=[CH:26][CH:25]=[CH:24][C:23]=1[N:29]1[CH2:34][CH2:33][NH:32][CH2:31][CH2:30]1.CCN(C(C)C)C(C)C.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>>[CH3:21][C:22]1[C:27]([CH3:28])=[CH:26][CH:25]=[CH:24][C:23]=1[N:29]1[CH2:30][CH2:31][N:32]([CH2:19][CH2:18][CH2:17][C:9]2[CH:10]=[C:11]([C:12]3[S:13][CH:14]=[CH:15][CH:16]=3)[N:7]([C:1]3[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=3)[N:8]=2)[CH2:33][CH2:34]1

Participants

Reactant 4

HCID 705411-(2,3-Xylyl)piperazine

HCID 81531Diisopropylethylamine

HCID 5049666Sodium triacetoxyborohydride

HCID 86639926HCID 86639926, compound

Product 1

HCID 68557304HCID 68557304, compound

Procedure

50 mg (71%) of target compound was obtained by using a method same as in Example 1 by using 3-(1-phenyl-5-(thiophene-2-yl)-1H-pyrazol-3-yl)-propanal (40 mg, 0.142 mmol), 1-(2,3-dimethylphenyl)piperazine (27 mg, 0.142 mmol), DIPEA (0.040 mL, 0.213 mmol) and NaBH(OAc)3 (90 mg, 0.573 mmol).

Workup

custom50 mg (71%) of target compound was obtained

Sources & evidence

ORD record: ord-20ae2c83fcf14400aebaa26c582ffa43
Source dataset: uspto-grants-2012_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08236806B2

Reaction notes

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