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Sodium Carbonate → 5,10-Dihydro-5-{[N-methyl-N-(1-methyl-4-piperidinyl)amino]carbonyl}-11H-dibenzo[b,e][1,4]diazepin-11-one

HRID 325881
Notes
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Reaction equation

HRID 325881 reaction equation
Cl[C:2]([N:4]1[C:10]2[CH:11]=[CH:12][CH:13]=[CH:14][C:9]=2[C:8](=[O:15])[NH:7][C:6]2[CH:16]=[CH:17][CH:18]=[CH:19][C:5]1=2)=[O:3].C(=O)([O-])[O-].[Na+].[Na+].[CH3:26][N:27]1[CH2:32][CH2:31][CH:30]([NH:33][CH3:34])[CH2:29][CH2:28]1>C(#N)C>[CH3:34][N:33]([C:2]([N:4]1[C:10]2[CH:11]=[CH:12][CH:13]=[CH:14][C:9]=2[C:8](=[O:15])[NH:7][C:6]2[CH:16]=[CH:17][CH:18]=[CH:19][C:5]1=2)=[O:3])[CH:30]1[CH2:31][CH2:32][N:27]([CH3:26])[CH2:28][CH2:29]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 10340Sodium CarbonateHCID 5663231-Methyl-4-(methylamino)piperidineHCID 132767455-chlorocarbonyl-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one

Product 1

HCID 132767465,10-Dihydro-5-{[N-methyl-N-(1-methyl-4-piperidinyl)amino]carbonyl}-11H-dibenzo[b,e][1,4]diazepin-11-one

Reagents, catalysts & solvents 1

HCID 6342
Acetonitrile
Solvent

Procedure

Nine grams (0.033 mol) of 5-chlorocarbonyl-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one, 5.3 gm (0.05 mol) of sodium carbonate, and 5.2 gm (0.036 mol) of 1-methyl-4-methylamino-piperidine were refluxed in 150 ml of acetonitrile for 15 minutes under stirring. The mixture was filtered while hot, and then the filtrate was placed on a silica gel column and eluted first with acetonitrile and then with a methylene chloride/ethyl acetate/cyclohexane/methanol/ammonia (175:75:23:23:3) mixture. The desired fraction was concentrated by evaporation in vacuo, and the residue was recrystallized from acetonitrile.

Workup

  1. filtrationThe mixture was filtered while hot, and then the filtrate
  2. washeluted first with acetonitrile
  3. concentrationThe desired fraction was concentrated by evaporation in vacuo
  4. customthe residue was recrystallized from acetonitrile

Sources & evidence

ORD record
ord-4c57325ab26948bab6d12b87157671a9
Source dataset
uspto-grants-1984_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04443452

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes