4-Fluoro-3-methoxybenzenesulfonyl chloride → 4-Cyano-3-ethoxybenzene-1-sulfonyl chloride
Reaction equation
FC1C=CC([S:8]([Cl:11])(=[O:10])=[O:9])=CC=1OC.N[C:15]1[CH:22]=[CH:21][C:18]([C:19]#[N:20])=[C:17]([O:23][CH2:24][CH3:25])[CH:16]=1>>[C:19]([C:18]1[CH:21]=[CH:22][C:15]([S:8]([Cl:11])(=[O:10])=[O:9])=[CH:16][C:17]=1[O:23][CH2:24][CH3:25])#[N:20]Participants
3
Procedure
The titled compound is prepared analogously to 4-fluoro-3-methoxy-benzenesulfonyl chloride (Intermediate 102a) by replacing 4-fluoro-3-methoxyaniline with 4-amino-2-ethoxy-benzonitrile.
Sources & evidence
- ORD record
- ord-6ffd8e2f2b9249cd94aee603e66335aa
- Source dataset
- uspto-grants-2013_06
- Patent number
- US08470848B2
Reaction notes
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