beta-Alanine, ethyl ester, hydrochloride → 3-{2,5-Dichloro-4-[5-(4-cyclopropyl-3,4-dihydro-2H-quinoxaline-1-carbonyl)-2-methyl-pyridin-4-yloxy]-benzoylamino}-propionic acid ethyl ester
Reaktionsgleichung
[Cl:1][C:2]1[CH:10]=[C:9]([O:11][C:12]2[C:17]([C:18]([N:20]3[C:29]4[C:24](=[CH:25][CH:26]=[CH:27][CH:28]=4)[N:23]([CH:30]4[CH2:32][CH2:31]4)[CH2:22][CH2:21]3)=[O:19])=[CH:16][N:15]=[C:14]([CH3:33])[CH:13]=2)[C:8]([Cl:34])=[CH:7][C:3]=1[C:4]([OH:6])=O.Cl.[CH2:36]([O:38][C:39](=[O:43])[CH2:40][CH2:41][NH2:42])[CH3:37]>>[CH2:36]([O:38][C:39](=[O:43])[CH2:40][CH2:41][NH:42][C:4](=[O:6])[C:3]1[CH:7]=[C:8]([Cl:34])[C:9]([O:11][C:12]2[C:17]([C:18]([N:20]3[C:29]4[C:24](=[CH:25][CH:26]=[CH:27][CH:28]=4)[N:23]([CH:30]4[CH2:32][CH2:31]4)[CH2:22][CH2:21]3)=[O:19])=[CH:16][N:15]=[C:14]([CH3:33])[CH:13]=2)=[CH:10][C:2]=1[Cl:1])[CH3:37]Komponenten
3
Edukt 2
Produkt 1
Versuchsvorschrift
The title compound was prepared in analogy to Example 29, from 2,5-dichloro-4-[5-(4-cyclopropyl-3,4-dihydro-2H-quinoxaline-1-carbonyl)-2-methyl-pyridin-4-yloxy]-benzoic acid and beta-alanine ethylester hydrochloride (commercially available, CAS RN 4244-84-2). Colorless foam (73%). MS (ESI): m/z=597.169 [M+H]+.