Ethyl 4-bromo-5-(3-chloro-4-fluorophenyl)furan-2-carboxylate → Ethyl 5-(3-chloro-4-fluorophenyl)-4-(3-chloro-5-fluorophenyl)furan-2-carboxylate
Reaktionsgleichung
[Cl:1][C:2]1[CH:3]=[C:4](C2C=C(C(OCC)=O)OC=2C2C=CC=C(C#N)C=2)[CH:5]=[C:6]([F:8])[CH:7]=1.Br[C:28]1[CH:29]=[C:30]([C:41]([O:43][CH2:44][CH3:45])=[O:42])[O:31][C:32]=1[C:33]1[CH:38]=[CH:37][C:36]([F:39])=[C:35]([Cl:40])[CH:34]=1>>[Cl:40][C:35]1[CH:34]=[C:33]([C:32]2[O:31][C:30]([C:41]([O:43][CH2:44][CH3:45])=[O:42])=[CH:29][C:28]=2[C:4]2[CH:5]=[C:6]([F:8])[CH:7]=[C:2]([Cl:1])[CH:3]=2)[CH:38]=[CH:37][C:36]=1[F:39]Komponenten
3
Versuchsvorschrift
The preparation of the title compound takes place in analogy to the synthesis of the compound from Example 11A starting with the compound from Example 6A. Purification is carried out using the mobile phase: cyclohexane/ethyl acetate (50:1). 1.07 g (63% of theory) of the title compound with a purity of 81% are obtained.
Aufarbeitung
- customPurification
Quellen und Nachweise
- ORD-Eintrag
- ord-0d7189686283479f9b9202a8373168ee
- Quelldatensatz
- uspto-grants-2012_12
- Patentnummer
- US08324268B2
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