1-(1-tert-butylcarbonylmethyl-2-oxo-5-phenyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl)-3-(3-benzyloxycarbonylphenyl)urea → 3-[3-(1-tert-butylcarbonylmethyl-2-oxo-5-phenyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl)ureido]benzoic acid

HRID 1979323Notes

Reaction equation

HRID 1979323 reaction equation
[C:1]([C:5]([CH2:7][N:8]1[C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][C:13]=2[N:12]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[CH2:11][CH:10]([NH:25][C:26]([NH:28][C:29]2[CH:34]=[CH:33][CH:32]=[C:31]([C:35]([O:37]CC3C=CC=CC=3)=[O:36])[CH:30]=2)=[O:27])[C:9]1=[O:45])=[O:6])([CH3:4])([CH3:3])[CH3:2]>[C].[Pd].CO>[C:1]([C:5]([CH2:7][N:8]1[C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][C:13]=2[N:12]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[CH2:11][CH:10]([NH:25][C:26](=[O:27])[NH:28][C:29]2[CH:30]=[C:31]([CH:32]=[CH:33][CH:34]=2)[C:35]([OH:37])=[O:36])[C:9]1=[O:45])=[O:6])([CH3:4])([CH3:2])[CH3:3]

Participants

4

Reactant 1

HCID 212019451-(1-tert-butylcarbonylmethyl-2-oxo-5-phenyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl)-3-(3-benzyloxycarbonylphenyl)urea

Product 1

HCID 227094293-[3-(1-tert-butylcarbonylmethyl-2-oxo-5-phenyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl)ureido]benzoic acidYield 26.6%

Reagents, catalysts & solvents 2

HCID 178418390HCID 178418390, compoundCatalystHCID 887MethanolSolvent

Conditions

Temperature
50 °C

Procedure

Methanol (20 ml) and 10% palladium carbon (68 mg) were added to 1-(1-tert-butylcarbonylmethyl-2-oxo-5-phenyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl)-3-(3-benzyloxycarbonylphenyl)urea (635 mg), the mixture was stirred at 50° C. under hydrogen atmosphere for 2 hours. The reaction mixture was filtrated, the filtrate was concentrated under reduced pressure. The residue was dissolved in 2 N aqueous sodium hydroxide, washed with ether, adjusted to pH 2 with concentrated hydrochloric acid, and extracted with chloroform. The organic layer was dried over anhydrous magnesium sulfate. The solvent was evaporated under the pressure, the mixed solvent of isopropyl ether and ethyl acetate was added to the residue for trituration, and collected by filtration, to thereby obtain 144 mg of the title compound as a colorless solid.

Workup

  1. filtrationThe reaction mixture was filtrated
  2. concentrationthe filtrate was concentrated under reduced pressure
  3. dissolutionThe residue was dissolved in 2 N aqueous sodium hydroxide
  4. washwashed with ether
  5. extractionextracted with chloroform
  6. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  7. customThe solvent was evaporated under the pressure
  8. additionthe mixed solvent of isopropyl ether and ethyl acetate was added to the residue for trituration
  9. filtrationcollected by filtration

Sources & evidence

ORD record
ord-0b3fab76ae5c4f998aee75f779509ca8
Source dataset
uspto-grants-2001_05
Patent number
US06239131B1

Reaction notes

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