3-Hydroxybenzaldehyde → HCID 10245656, Verbindung
Reaktionsgleichung
[Cl:1][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[CH:7][C:8]([CH3:12])=[N:9]2)=[CH:4][CH:3]=1.[OH:13][C:14]1[CH:15]=[C:16]([CH:19]=[CH:20][CH:21]=1)[CH:17]=O.[C:22](OC(=O)C)(=[O:24])[CH3:23]>>[C:22]([O:13][C:14]1[CH:21]=[CH:20][CH:19]=[C:16](/[CH:17]=[CH:12]/[C:8]2[CH:7]=[CH:6][C:5]3[C:10](=[CH:11][C:2]([Cl:1])=[CH:3][CH:4]=3)[N:9]=2)[CH:15]=1)(=[O:24])[CH3:23]Komponenten
4
Versuchsvorschrift
A solution of 7-chloroquinaldine (10 g, 56.3 mmol) and 3-hydroxybenzaldehyde (6.87 g, 56.3 mmol) in 25 ml of acetic anhydride is heated at 130° C. for 16 hours. The reaction mixture is concentrated and the beige solid recrystallized from hexane-ethyl acetate to afford (E)-3-(7-chloro-2-quinolinylethenyl)phenyl acetate which is used directly in the next step.
Aufarbeitung
- concentrationThe reaction mixture is concentrated