tert-Butyl carbazate → HCID 178438674, compound

HRID 2062619Notes

Reaction equation

HRID 2062619 reaction equation
[C:1]([C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[C:9]1[CH:14]=[CH:13][C:12]([CH2:15][C:16]2[C:17](=[O:39])[N:18]([C@H:28]3[CH2:33][CH2:32][C@H:31]([O:34][CH2:35][C:36](O)=[O:37])[CH2:30][CH2:29]3)[C:19]3[N:20]([N:25]=[CH:26][N:27]=3)[C:21]=2[CH2:22][CH2:23][CH3:24])=[CH:11][CH:10]=1)#[N:2].[NH:40]([C:42]([O:44][C:45]([CH3:48])([CH3:47])[CH3:46])=[O:43])[NH2:41].Cl.C(N=C=NCCCN(C)C)C.ON1C2C=CC=CC=2N=N1>O.C(OCC)(=O)C.CN(C=O)C>[C:1]([C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[C:9]1[CH:14]=[CH:13][C:12]([CH2:15][C:16]2[C:17](=[O:39])[N:18]([C@H:28]3[CH2:29][CH2:30][C@H:31]([O:34][CH2:35][C:36]([NH:41][NH:40][C:42]([O:44][C:45]([CH3:48])([CH3:47])[CH3:46])=[O:43])=[O:37])[CH2:32][CH2:33]3)[C:19]3[N:20]([N:25]=[CH:26][N:27]=3)[C:21]=2[CH2:22][CH2:23][CH3:24])=[CH:11][CH:10]=1)#[N:2]

Participants

8

Reactant 4

HCID 70091tert-Butyl carbazateHCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 178438675HCID 178438675, compound

Product 1

HCID 178438674HCID 178438674, compoundYield 73.6%

Reagents, catalysts & solvents 3

HCID 962WaterSolventHCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

A mixture of [(trans-4-{6-[(2′-cyanobiphenyl-4-yl)methyl]-5-oxo-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-4(5H)-yl}cyclohexyl)oxy]acetic acid (0.77 g), tert-butyl hydrazinecarboxylate (0.23 g), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (0.34 g), 1-hydroxybenzotriazole (0.24 g) and N,N-dimethylformaldehyde (8 mL) was stirred at room temperature for 12 hr. Ethyl acetate and water were added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography to give the title compound as a colorless solid (0.69 g, 72%).

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. customthe residue was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-ef49217ba46443938315fc331f17fb31
Source dataset
uspto-grants-2012_10
Patent number
US08283353B2

Reaction notes

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