Reaktionsgleichung
[Cl-].[Cl-].[Cl-].[Al+3].[CH3:5][O:6][C:7]([C:9]1[C:12]2[CH:13]=[C:14]([O:17]C)[CH:15]=[CH:16][C:11]=2[CH:10]=1)=[O:8].[Cl:19][C:20]1[CH:28]=[C:27]([Cl:29])[CH:26]=[CH:25][C:21]=1[C:22](Cl)=[O:23]>>[CH3:5][O:6][C:7]([C:9]1[C:12]2[CH:13]=[C:14]([OH:17])[C:15]([C:22](=[O:23])[C:21]3[CH:25]=[CH:26][C:27]([Cl:29])=[CH:28][C:20]=3[Cl:19])=[CH:16][C:11]=2[CH:10]=1)=[O:8]Komponenten
4
Versuchsvorschrift
In a manner analogous to that described in Example 5, starting from 26.6 g of aluminium trichloride, 9.61 g of 5-methoxybenzocyclobutene-1-carboxylic acid methyl ester and 20.95 g of 2,4-dichlorobenzoyl chloride there is obtained 4-(2,4-dichlorobenzoyl)-5-hydroxybenzocyclobutene-1-carboxylic acid methyl ester having a melting point of 99°-100°.
Quellen und Nachweise
- ORD-Eintrag
- ord-fbea0220bd6b49d5837f15bd072fe64a
- Quelldatensatz
- uspto-grants-1985_06
- Patentnummer
- US04523030
Verknüpfte Notizen
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