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Triethylamine → a-(acetyloxy)-N-[4-(5H-pyrrolo[2,1-c][1,4]benzodiazepin-10(11H)-ylcarbonyl)phenyl]benzeneacetamide

HRID 440035
Notes
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Reaction equation

HRID 440035 reaction equation
[NH2:1][C:2]1[CH:23]=[CH:22][C:5]([C:6]([N:8]2[C:14]3[CH:15]=[CH:16][CH:17]=[CH:18][C:13]=3[CH2:12][N:11]3[CH:19]=[CH:20][CH:21]=[C:10]3[CH2:9]2)=[O:7])=[CH:4][CH:3]=1.C(N([CH2:29][CH3:30])CC)C.C([ClH][C:35](=[O:44])[CH:36]([C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1)[OH:37])(=O)C.C([O-])(O)=[O:46].[Na+]>C(Cl)Cl>[C:29]([O:37][CH:36]([C:38]1[CH:39]=[CH:40][CH:41]=[CH:42][CH:43]=1)[C:35]([NH:1][C:2]1[CH:23]=[CH:22][C:5]([C:6]([N:8]2[C:14]3[CH:15]=[CH:16][CH:17]=[CH:18][C:13]=3[CH2:12][N:11]3[CH:19]=[CH:20][CH:21]=[C:10]3[CH2:9]2)=[O:7])=[CH:4][CH:3]=1)=[O:44])(=[O:46])[CH3:30]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 516892Sodium BicarbonateHCID 1082828010,11-dihydro-10(4-aminobenzoyl)-5H-pyrrolo[2,1-c][1,4]benzodiazepine

Product 1

HCID 21837106a-(acetyloxy)-N-[4-(5H-pyrrolo[2,1-c][1,4]benzodiazepin-10(11H)-ylcarbonyl)phenyl]benzeneacetamide

Reagents, catalysts & solvents 1

HCID 6344Dichloromethane
Solvent

Procedure

To a solution of 0.30 g of 10,11-dihydro-10-(4-aminobenzoyl)-5H-pyrrolo[2,1-c][1,4]benzodiazepine in 5 ml of methylene chloride is added 0.15 g of triethylamine followed by 0.27 g of O-acetylmandelic acid chloride. The mixture is stirred at room temperature for 1 hour and then diluted with 50% NaHCO3. The methylene chloride is evaporated and the residue is extracted with ethyl acetate. The separated organic layer is washed with saturated NaHCO and brine and then dried with Na2SO4 followed by filtering through a pad of hydrous magnesium silicate. The filtrate is evaporated to a residue which is stirred with ether-hexane to give 0.54 g of beige solid. MS(CI): 480(M+H) .

Workup

  1. customThe methylene chloride is evaporated
  2. extractionthe residue is extracted with ethyl acetate
  3. washThe separated organic layer is washed with saturated NaHCO and brine
  4. dry with materialdried with Na2SO4
  5. filtrationby filtering through a pad of hydrous magnesium silicate
  6. customThe filtrate is evaporated to a residue which
  7. stirringis stirred with ether-hexane

Sources & evidence

ORD record
ord-10c12c8bc7b64043b20d75a5c119b2a8
Source dataset
uspto-grants-1996_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05516774

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes