4-Amino-3-chloro-5-methylbenzonitrile → 2-Ethyl-7-methoxyfuro[2,3-c]pyridine-4-carboxylic acid (2-chloro-4-cyano-6-methylphenyl)amide
Reaktionsgleichung
[N+](C1C=CC(O[C:11]([C:13]2[C:14]3[CH:23]=[C:22]([CH2:24][CH3:25])[O:21][C:15]=3[C:16]([O:19][CH3:20])=[N:17][CH:18]=2)=[O:12])=CC=1)([O-])=O.[NH2:26][C:27]1[C:34]([CH3:35])=[CH:33][C:30]([C:31]#[N:32])=[CH:29][C:28]=1[Cl:36]>>[Cl:36][C:28]1[CH:29]=[C:30]([C:31]#[N:32])[CH:33]=[C:34]([CH3:35])[C:27]=1[NH:26][C:11]([C:13]1[C:14]2[CH:23]=[C:22]([CH2:24][CH3:25])[O:21][C:15]=2[C:16]([O:19][CH3:20])=[N:17][CH:18]=1)=[O:12]Komponenten
3
Versuchsvorschrift
Starting from 2-ethyl-7-methoxyfuro[2,3-c]pyridine-4-carboxylic acid 4-nitrophenyl ester (200 mg) and 4-amino-3-chloro-5-methylbenzonitrile (195 mg). Purification by column chromatography on silica eluting with 2% methanol in dichloromethane gave the title compound (92 mg) as a white solid.