Chloroacetyl chloride → HCID 59153381, compound
Reaction equation
Cl[CH2:2][C:3](Cl)=[O:4].[CH3:6][O:7][C:8](=[O:17])[C:9]1[CH:14]=[CH:13][CH:12]=[C:11]([OH:15])[C:10]=1[NH2:16].C([O-])([O-])=O.[K+].[K+]>CN(C=O)C>[CH3:6][O:7][C:8]([C:9]1[CH:14]=[CH:13][CH:12]=[C:11]2[O:15][CH2:2][C:3](=[O:4])[NH:16][C:10]=12)=[O:17]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
At rt chloro-acetyl chloride (8.06 mmol) is added dropwise to a solution of 2-amino-3-hydroxy-benzoic acid methyl ester (7.33 mmol) in DMF (50 mL). After 20 min K2CO3 (34.9 mmol) is added portionwise, the mixture is stirred for 16 h at rt and the solvents are removed in vacuo. Water and DCM are added, the layers are separated and the organic layer is washed with brine and dried over Na2SO4. The solvents are removed in vacuo to give a crude product which is purified by flash chromatography (gradient: heptane to heptane/EtOAc 6/4). LC-MS: tR=0.82 min; [M+CH3CN+H]+=249.0.
Workup
- customthe solvents are removed in vacuo
- additionWater and DCM are added
- customthe layers are separated
- washthe organic layer is washed with brine
- dry with materialdried over Na2SO4
- customThe solvents are removed in vacuo
Sources & evidence
- ORD record
- ord-912971b49f1d4cb587fd73b059cce145
- Source dataset
- uspto-grants-2012_08
- Patent number
- US08236801B2
Reaction notes
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