Water → 4-[(3,5-Dimethyl-pyridin-2-ylmethyl)-(3-isopropyl-pyridin-2-ylmethyl)-amino]-piperidine-1-carbonitrile

HRID 1592573Notes

Reaction equation

[CH3:1][C:2]1[C:3]([CH2:9][N:10]([CH2:17][C:18]2[C:23]([CH:24]([CH3:26])[CH3:25])=[CH:22][CH:21]=[CH:20][N:19]=2)[CH:11]2[CH2:16][CH2:15][NH:14][CH2:13][CH2:12]2)=[N:4][CH:5]=[C:6]([CH3:8])[CH:7]=1.CC([O-])=O.[Na+].[N:32]#[C:33]Br.O>CO>[CH3:1][C:2]1[C:3]([CH2:9][N:10]([CH2:17][C:18]2[C:23]([CH:24]([CH3:26])[CH3:25])=[CH:22][CH:21]=[CH:20][N:19]=2)[CH:11]2[CH2:16][CH2:15][N:14]([C:33]#[N:32])[CH2:13][CH2:12]2)=[N:4][CH:5]=[C:6]([CH3:8])[CH:7]=1

Participants

Conditions

Temperature: 0 °C

Procedure

(3,5-Dimethyl-pyridin-2-ylmethyl)-(3-isopropyl-pyridin-2-ylmethyl)-piperidin-4-yl-amine (0.16 g, 0.45 mmol) was dissolved in MeOH (4 mL) and cooled to 0° C. NaOAc (112 mg, 1.4 mmol) and CNBr (68 mg, 0.64 mmol) were added and the solution was slowly warmed to room temperature and stirred for 6 hours. H2O (15 mL) was added and the solution was extracted with CH2Cl2 (3×30 mL). The combined organics were dried (Na2SO4) and concentrated under reduced pressure to afford 4-[(3,5-dimethyl-pyridin-2-ylmethyl)-(3-isopropyl-pyridin-2-ylmethyl)-amino]-piperidine-1-carbonitrile (134 mg, 79%).

Workup

temperaturethe solution was slowly warmed to room temperature
extractionthe solution was extracted with CH2Cl2 (3×30 mL)
dry with materialThe combined organics were dried (Na2SO4)
concentrationconcentrated under reduced pressure

Sources & evidence

ORD record: ord-edf5ef8317c54df38a92fe56e8a3ac71
Source dataset: uspto-grants-2007_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07291631B2

Reaction notes

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