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Water → 2-Propen-1-yl {3-[5-(2-chloro-4-pyrimidinyl)-2-(1,1-dimethylethyl)-1,3-thiazol-4-yl]-2-fluorophenyl}carbamate

HRID 590035
Notes
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Reaction equation

HRID 590035 reaction equation
[Cl:1][C:2]1[N:7]=[C:6]([CH2:8][C:9]([C:11]2[C:12]([F:24])=[C:13]([NH:17][C:18](=[O:23])[O:19][CH2:20][CH:21]=[CH2:22])[CH:14]=[CH:15][CH:16]=2)=O)[CH:5]=[CH:4][N:3]=1.C1C(=O)N(Br)C(=O)C1.[CH3:33][C:34]([CH3:39])([CH3:38])[C:35](=[S:37])[NH2:36].O>CC(N(C)C)=O>[Cl:1][C:2]1[N:7]=[C:6]([C:8]2[S:37][C:35]([C:34]([CH3:39])([CH3:38])[CH3:33])=[N:36][C:9]=2[C:11]2[C:12]([F:24])=[C:13]([NH:17][C:18](=[O:23])[O:19][CH2:20][CH:21]=[CH2:22])[CH:14]=[CH:15][CH:16]=2)[CH:5]=[CH:4][N:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 67184N-bromobutanimideHCID 30311302,2-DimethylpropanethioamideHCID 579899922-Propen-1-yl {3-[(2-chloro-4-pyrimidinyl)acetyl]-2-fluorophenyl}carbamate2×

Product 1

HCID 579897172-Propen-1-yl {3-[5-(2-chloro-4-pyrimidinyl)-2-(1,1-dimethylethyl)-1,3-thiazol-4-yl]-2-fluorophenyl}carbamateYield 35.4%

Reagents, catalysts & solvents 1

HCID 31374DimethylacetamideSolvent

Procedure

To a solution of 2-propen-1-yl {3-[(2-chloro-4-pyrimidinyl)acetyl]-2-fluorophenyl}carbamate (30 g, 85.9 mmol) (Intermediate 20) in DMA (300 mL), NBS (15.3 g, 85.9 mmol) was added. The reaction mixture was stirred at rt for 1 h. Then 2,2-dimethylpropanethioamide (11.0 g, 94.5 mmol) was added at 0° C. The mixture was stirred at rt for 2 h. The mixture was poured into water and extracted with EtOAc (200 mL×3). The combined organic layers were washed with water and brine successively, dried over Na2SO4, filtered and concentrated under reduced pressure to give the crude product, which was purified by column chromatography on silica gel (DCM:petroleum ether 2:1) to afford the title compound. (11 g, 35.4% yield). 1H NMR (400 MHz, CDCl3) δ ppm 8.29 (d, J=5.27 Hz, 1H), 8.12-8.19 (m, 1H), 7.12-7.25 (m, 2H), 6.80-6.88 (m, 2H), 5.85-5.98 (m, 1H), 5.20-5.37 (m, 2H), 4.61-4.67 (m, 2H). MS (ES+): 447 [M+H]+.

Workup

  1. stirringThe mixture was stirred at rt for 2 h
  2. extractionextracted with EtOAc (200 mL×3)
  3. washThe combined organic layers were washed with water and brine successively
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customto give the crude product, which
  8. customwas purified by column chromatography on silica gel (DCM:petroleum ether 2:1)

Sources & evidence

ORD record
ord-f48c9b4d83cf451285cacffc5d8dfc80
Source dataset
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09233956B2

Reaction notes

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