4-Methoxybenzenesulfonyl chloride → HCID 22768904, compound
Reaction equation
C1(C2C3C=CC=CC=3OC=2)C=CC=CC=1.COC1C=CC(S(Cl)(=O)=O)=CC=1.C[O:29][C:30]1[CH:35]=[CH:34][C:33]([S:36]([C:39]2[O:40][C:41]3[CH:53]=[CH:52][CH:51]=[CH:50][C:42]=3[C:43]=2[C:44]2[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=2)(=[O:38])=[O:37])=[CH:32][CH:31]=1>>[OH:29][C:30]1[CH:31]=[CH:32][C:33]([S:36]([C:39]2[O:40][C:41]3[CH:53]=[CH:52][CH:51]=[CH:50][C:42]=3[C:43]=2[C:44]2[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=2)(=[O:38])=[O:37])=[CH:34][CH:35]=1Participants
4
Procedure
Acylation of 3-phenylbenzofuran with 4-methoxybenzenesulfonyl chloride as described hereinabove followed by demethylation of the 2-(4-methoxyphenylsulfonyl)-3-phenylbenzofuran thus formed as previously described gives 2-(4-hydroxyphenylsulfonyl)-3-phenylbenzofuran.
Workup
- customthus formed
Sources & evidence
- ORD record
- ord-c0919dd0771c4ded97590fab6c5cadd4
- Source dataset
- uspto-grants-1978_09
- Patent number
- US04117128
Reaction notes
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