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3-Cyanopyridine → 4-[(3-Cyano-pyridin-2-ylamino)-methyl]-piperidine-1-carboxylic acid benzyl ester

HRID 1827137
Notes
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Reaction equation

HRID 1827137 reaction equation
[NH2:1][CH2:2][CH:3]1[CH2:8][CH2:7][N:6]([C:9]([O:11][CH2:12][C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)=[O:10])[CH2:5][CH2:4]1.[C:19]([C:21]1[CH:22]=[N:23][CH:24]=[CH:25][CH:26]=1)#[N:20].CCOCC>CCOC(C)=O>[CH2:12]([O:11][C:9]([N:6]1[CH2:7][CH2:8][CH:3]([CH2:2][NH:1][C:22]2[C:21]([C:19]#[N:20])=[CH:26][CH:25]=[CH:24][N:23]=2)[CH2:4][CH2:5]1)=[O:10])[C:13]1[CH:14]=[CH:15][CH:16]=[CH:17][CH:18]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 793-CyanopyridineHCID 3283Diethyl EtherHCID 219554994-Aminomethyl-1-N-Cbz-piperidine

Product 1

HCID 99464084-[(3-Cyano-pyridin-2-ylamino)-methyl]-piperidine-1-carboxylic acid benzyl ester

Reagents, catalysts & solvents 1

HCID 8857Ethyl AcetateSolvent

Conditions

Temperature
100 °C

Procedure

A mixture of benzyl 4-(aminomethyl)piperidine-1-carboxylate (EXAMPLE 13, Step 1) (1 g, 4.03 mmol) and 3-cyanopyridine (0.25 g) was heated to 100° C. for 30 min. The reaction mixture was partitioned between EtOAc and pH5.2 citrate buffer. The organic layer was washed with brine, dried over anhydrous sodium sulfate, and the solvent evaporated to give a solid which was stirred with 5 mL ether and 0.5 mL EtOAc for 1 h and filtered to give the title compound as a solid. M.S (M+1): 351

Workup

  1. customThe reaction mixture was partitioned between EtOAc and pH5.2 citrate buffer
  2. washThe organic layer was washed with brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. customthe solvent evaporated
  5. customto give a solid which
  6. filtrationfiltered

Sources & evidence

ORD record
ord-d993126ca6824c8684b527a765345021
Source dataset
uspto-grants-2006_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07053089B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes