3-Chloropropanesulphonyl chloride → 4-(1,1-Dioxo-1lambda6-isothiazolidin-2-yl)-2-methoxybenzoic acid
Reaction equation
[NH2:1][C:2]1[CH:11]=[CH:10][C:5]([C:6]([O:8]C)=[O:7])=[C:4]([O:12][CH3:13])[CH:3]=1.Cl[CH2:15][CH2:16][CH2:17][S:18](Cl)(=[O:20])=[O:19]>>[O:19]=[S:18]1(=[O:20])[CH2:17][CH2:16][CH2:15][N:1]1[C:2]1[CH:11]=[CH:10][C:5]([C:6]([OH:8])=[O:7])=[C:4]([O:12][CH3:13])[CH:3]=1Participants
3
Procedure
Using methyl 4-amino-2-methoxybenzoate (1.01 g) and 3-chloropropane-1-sulfonyl chloride (0.9 mL) and by the reaction and treatment in the same manner as in Preparation Example 16, the title compound (839 mg) was obtained.
Workup
- customby the reaction and treatment in the same manner
- customas in Preparation Example 16
Sources & evidence
- ORD record
- ord-4fdd1796336a42e6b75122283533e884
- Source dataset
- uspto-grants-2014_08
- Patent number
- US08816079B2
Reaction notes
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