7-(Diethylamino)-2-oxo-2H-chromene-3-carbaldehyde → 1-(5-carboxy-pentyl)-2-[(E)-2-(7-diethylamino-2-oxo-2H-chromen-3-yl)-vinyl]-pyridinium Bromide
Reaktionsgleichung
[CH2:1]([N:3]([CH2:17][CH3:18])[C:4]1[CH:13]=[C:12]2[C:7]([CH:8]=[C:9]([CH:15]=O)[C:10](=[O:14])[O:11]2)=[CH:6][CH:5]=1)[CH3:2].[Br-:19].[C:20]([CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][N+:28]1[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=1[CH3:34])([OH:22])=[O:21]>C(O)C.C1(C)C=CC=CC=1>[Br-:19].[C:20]([CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][N+:28]1[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=1/[CH:34]=[CH:15]/[C:9]1[C:10](=[O:14])[O:11][C:12]2[C:7]([CH:8]=1)=[CH:6][CH:5]=[C:4]([N:3]([CH2:17][CH3:18])[CH2:1][CH3:2])[CH:13]=2)([OH:22])=[O:21]Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
0.2 mmol 7-diethylamino-2-oxo-2H-chromen-3-carbaldehyde and 0.2 mmol 1-(5-carboxy-pentyl)-2-methyl-pyridinium bromide are converted according to the general directions above. Column chromatography: SiO2, eluent: ethanol/toluene.