Pyridinium chloride → 2-n-Butyl-3-(4-hydroxyphenylsulfonyl)benzofuran
Reaktionsgleichung
[CH2:1]([C:5]1[O:6][C:7]2[CH:24]=[CH:23][CH:22]=[CH:21][C:8]=2[C:9]=1[S:10]([C:13]1[CH:18]=[CH:17][C:16]([O:19]C)=[CH:15][CH:14]=1)(=[O:12])=[O:11])[CH2:2][CH2:3][CH3:4].Cl.N1C=CC=CC=1>>[CH2:1]([C:5]1[O:6][C:7]2[CH:24]=[CH:23][CH:22]=[CH:21][C:8]=2[C:9]=1[S:10]([C:13]1[CH:18]=[CH:17][C:16]([OH:19])=[CH:15][CH:14]=1)(=[O:12])=[O:11])[CH2:2][CH2:3][CH3:4]Komponenten
3
Versuchsvorschrift
2-n-Butyl-3-(4-methoxyphenylsulfonyl)benzofuran was demethylated with pyridine hydrochloride at 185° according to the procedure described in Example 1 to give 2-n-butyl-3-(4-hydroxyphenylsulfonyl)benzofuran, m.p. 163°-165°.
Quellen und Nachweise
- ORD-Eintrag
- ord-41f5c74c15cc4c1ebb28072e7e8eab50
- Quelldatensatz
- uspto-grants-1978_09
- Patentnummer