tert-Butyl carbazate → HCID 67067221, compound

HRID 1009390Notes

Reaction equation

HRID 1009390 reaction equation
C1C=CC2N(O)N=NC=2C=1.C(N(C(C)C)CC)(C)C.[Cl:20][CH2:21][CH2:22][O:23][CH:24]([C:28]1[CH:33]=[C:32]([F:34])[C:31]([F:35])=[C:30]([F:36])[CH:29]=1)[C:25]([OH:27])=O.[C:37]([O:41][C:42]([CH3:45])([CH3:44])[CH3:43])(=[O:40])[NH:38][NH2:39]>CN(C=O)C.O.C(OCC)(=O)C.C(Cl)CCl>[Cl:20][CH2:21][CH2:22][O:23][CH:24]([C:28]1[CH:33]=[C:32]([F:34])[C:31]([F:35])=[C:30]([F:36])[CH:29]=1)[C:25]([NH:39][NH:38][C:37]([O:41][C:42]([CH3:45])([CH3:44])[CH3:43])=[O:40])=[O:27]

Participants

9

Reactant 4

HCID 70091tert-Butyl carbazateHCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 67067400HCID 67067400, compound

Product 1

HCID 67067221HCID 67067221, compoundYield 64.6%

Reagents, catalysts & solvents 4

HCID 111,2-DichloroethaneSolventHCID 962WaterSolventHCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

HOBT (1.91 g), IPEA (4.31 mL) and EDC (2.71 g) were sequentially added to a solution of (2-chloroethoxy)-(3,4,5-trifluorophenyl)acetic acid (1.9 g) and tert-butyl carbazate (1.03 g) in DMF (30 mL), and the reaction solution was stirred at room temperature for five hours. Ethyl acetate and water were added to the reaction solution, and the organic layer was separated. The resulting organic layer was washed with brine, dried over anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent: heptane-ethyl acetate system) to obtain 1.75 g of the title compound. The property values of the compound are as follows.

Workup

  1. customthe organic layer was separated
  2. washThe resulting organic layer was washed with brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (elution solvent: heptane-ethyl acetate system)

Sources & evidence

ORD record
ord-050592680e4d4976805aa78e65e61b07
Source dataset
uspto-grants-2011_07
Patent number
US07973033B2

Reaction notes

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