3-Chloro-4-fluorobenzaldehyde → (3Z)-6-Chloro-3-[(3-chloro-2-fluorophenyl)methylidene]-1,3-dihydro-2H-indol-2-one
Reaktionsgleichung
ClC1C=C2C(CC(=O)N2)=CC=1.ClC1C=C(C=CC=1[F:21])C=O.[Cl:22][C:23]1[CH:31]=[C:30]2[C:26](/[C:27](=[CH:33]/[C:34]3[CH:39]=[CH:38][C:37](F)=[C:36]([Cl:41])[CH:35]=3)/[C:28](=[O:32])[NH:29]2)=[CH:25][CH:24]=1>C(O)(C)C>[Cl:22][C:23]1[CH:31]=[C:30]2[C:26](/[C:27](=[CH:33]/[C:34]3[CH:39]=[CH:38][CH:37]=[C:36]([Cl:41])[C:35]=3[F:21])/[C:28](=[O:32])[NH:29]2)=[CH:25][CH:24]=1Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
In a manner similar to the method described in example 1, 6-chlorooxindole (5.20 g, 31.2 mmol) (Crescent) and 3-chloro-4-fluoro-benzaldehyde (5.0 g, 31.2 mmol) (Aldrich) in isopropanol to give a mixture of E/Z-6-chloro-3-(3-chloro-4-fluoro-benzylidene)-1,3-dihydro-indol-2-one as a bright yellow solid (Yield 8.89 g, 92.5%) and used for the next step without further purification.
Aufarbeitung
- customto give
- customused for the next step without further purification
Quellen und Nachweise
- ORD-Eintrag
- ord-e32f236bfc214a0bbd46b5d035fac706
- Quelldatensatz
- uspto-grants-2009_12
- Patentnummer
- US07638548B2
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