Chloroacetyl chloride → HCID 54334577, compound
Reaction equation
[NH2:1][CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][O:12][C:13]1[CH:22]=[CH:21][C:16]([C:17]([O:19][CH3:20])=[O:18])=[CH:15][CH:14]=1.C(N(CC)CC)C.[Cl:30][CH2:31][C:32](Cl)=[O:33]>C(Cl)(Cl)Cl>[CH3:20][O:19][C:17](=[O:18])[C:16]1[CH:21]=[CH:22][C:13]([O:12][CH2:11][CH2:10][CH2:9][CH2:8][CH2:7][CH2:6][CH2:5][CH2:4][CH2:3][CH2:2][NH:1][C:32](=[O:33])[CH2:31][Cl:30])=[CH:14][CH:15]=1Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
The crude product from (iii) above (5.62 g, 18.84 mmol) and triethylamine (2.6 mL, 18.7 mmol) were dissolved in chloroform (90 mL) and cooled in an ice bath. A solution of chloroacetyl chloride (1.5 mL) in chloroform (40 mL) was added dropwise with stirring. After the completion of the addition, the solution was stirred in the ice bath for 15 minutes and warmed to ambient temperature and stirred for 20 hours. The solution was washed with water (4×80 mL). Drying (MgSO4) and concentration yielded the product (6.71 g, 93%) which was used without further purification. 1H NMR (CDCl3, δ): 7.95 (d), 6.87 (d), 6.54 s, br), 4.01 (d), 3.96 (t), 3.86 (s), 3.28 (q), 1.76 (m), 1.55 (m), 1.45 (m), 1.29 (m). 13C NMR (CDCl3, δ): 130.71, 130.66, 121.52, 113.23, 75.37, 67.33, 50.95, 41.85, 39.04, 28.56, 28.53, 28.47, 28.43, 28.33, 28.25, 25.94, 25.11.
Workup
- temperaturecooled in an ice bath
- additionAfter the completion of the addition
- stirringstirred for 20 hours
- washThe solution was washed with water (4×80 mL)
- customDrying
- concentration(MgSO4) and concentration
Sources & evidence
- ORD record
- ord-8561a19e2af94ebf92964ff21961eb15
- Source dataset
- uspto-grants-2000_04
- Patent number
- US06045821
Reaction notes
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