Chloride → HCID 22768856, compound
Reaction equation
C(C1OC2C=CC(Br)=CC=2C=1)C1C=CC=CC=1.[Cl-].[CH2:19]([C:26]1[O:27][C:28]2[CH:45]=[CH:44][C:43]([Br:46])=[CH:42][C:29]=2[C:30]=1[S:31]([C:34]1[CH:39]=[CH:38][C:37]([O:40]C)=[CH:36][CH:35]=1)(=[O:33])=[O:32])[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1>>[CH2:19]([C:26]1[O:27][C:28]2[CH:45]=[CH:44][C:43]([Br:46])=[CH:42][C:29]=2[C:30]=1[S:31]([C:34]1[CH:39]=[CH:38][C:37]([OH:40])=[CH:36][CH:35]=1)(=[O:33])=[O:32])[C:20]1[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=1Participants
4
Procedure
2-Benzyl-5-bromobenzofuran is acylated with 4-methoxyenzenesulfonyl chloride as described above and the resulting 2-benzyl-5-bromo-3-(4-methoxyphenylsulfonyl)benzofuran is demethylated to give 2-benzyl-5-bromo-3-(4-hydroxyphenylsulfonyl)benzofuran.
Sources & evidence
- ORD record
- ord-5a11681f8c8a4ba69eac680d67bf1921
- Source dataset
- uspto-grants-1978_09
- Patent number
- US04117128
Reaction notes
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