3-Chlorothiophene-2-carbaldehyde → 3-(Pyridine-2-sulfonyl)thiophene-2-carbaldehyde
Reaction equation
[CH:1]([C:3]1[S:4][CH:5]=[CH:6][C:7]=1Cl)=[O:2].[Na+].[N:10]1[CH:15]=[CH:14][CH:13]=[CH:12][C:11]=1[S:16]([O-:18])=[O:17]>>[N:10]1[CH:15]=[CH:14][CH:13]=[CH:12][C:11]=1[S:16]([C:7]1[CH:6]=[CH:5][S:4][C:3]=1[CH:1]=[O:2])(=[O:18])=[O:17]Participants
3
Procedure
The title compound was prepared by the method of Preparation 5a using 2-formyl-3-chlorothiophene and pyridine-2-sulfinic acid sodium salt.
Sources & evidence
- ORD record
- ord-7c7a55a60e7b47f6a5af957f3e7db7b6
- Source dataset
- uspto-grants-2013_03
- Patent number
- US08394836B2
Reaction notes
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