tert-Butyl acrylate → HCID 178469100, compound

HRID 46120Notes

Reaction equation

HRID 46120 reaction equation
[O:1]=[C:2]1[CH:6]([C:7]([O:9][CH2:10][CH3:11])=[O:8])[S:5][C:4]([NH:12][C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=2[C:19]([F:22])([F:21])[F:20])=[N:3]1.[C:23]([O:27][C:28]([CH3:31])([CH3:30])[CH3:29])(=[O:26])[CH:24]=[CH2:25].C1CCN2C(=NCCC2)CC1>CCO>[C:28]([O:27][C:23](=[O:26])[CH2:24][CH2:25][C:6]1([C:7]([O:9][CH2:10][CH3:11])=[O:8])[S:5][C:4]([NH:12][C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=2[C:19]([F:22])([F:20])[F:21])=[N:3][C:2]1=[O:1])([CH3:31])([CH3:30])[CH3:29]

Participants

5

Reactant 3

HCID 15458tert-Butyl acrylateHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 178470560HCID 178470560, compound

Product 1

HCID 178469100HCID 178469100, compound

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

The above compounds were prepared according to the procedure reported in the literature: see S. Muthusamy Synth. Commun. 2002, 32, 3247. To a stirred solution of ethyl 4-oxo-2-(2-(trifluoromethyl)phenylamino)-4,5-dihydrothiazole-5-carboxylate (1.1 g, 3.3 mol), tert-butyl acrylate (Aldrich, 2.5 mL, 16.5 mmol) in EtOH (10 mL) was added DBU (Aldrich, 0.25 mL, 1.6 mmol). The mixture was stirred at r.t. overnight and concentrated in vacuo. The crude product was purified by silica gel chromatography. MS: 461 (M+1).

Workup

  1. customThe above compounds were prepared
  2. concentrationconcentrated in vacuo
  3. customThe crude product was purified by silica gel chromatography

Sources & evidence

ORD record
ord-b4ba6302c43d46a2aa8acd492517ab9f
Source dataset
uspto-grants-2013_09
Patent number
US08541592B2

Reaction notes

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