3-(Methoxymethyl)-1-benzofuran-2-carboxylic acid → 4-{4-[(3-Methoxymethyl-benzofuran-2-carbonyl)-amino]-phenyl}-piperazine-1-carboxylic acid tert-butyl ester
Reaktionsgleichung
[CH3:1][O:2][CH2:3][C:4]1[C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=2[O:6][C:5]=1[C:13]([OH:15])=O.[C:16]([O:20][C:21]([N:23]1[CH2:28][CH2:27][N:26]([C:29]2[CH:34]=[CH:33][C:32]([NH2:35])=[CH:31][CH:30]=2)[CH2:25][CH2:24]1)=[O:22])([CH3:19])([CH3:18])[CH3:17]>>[C:16]([O:20][C:21]([N:23]1[CH2:28][CH2:27][N:26]([C:29]2[CH:30]=[CH:31][C:32]([NH:35][C:13]([C:5]3[O:6][C:7]4[CH:12]=[CH:11][CH:10]=[CH:9][C:8]=4[C:4]=3[CH2:3][O:2][CH3:1])=[O:15])=[CH:33][CH:34]=2)[CH2:25][CH2:24]1)=[O:22])([CH3:19])([CH3:17])[CH3:18]Komponenten
3
Versuchsvorschrift
With a procedure similar to the example above, 4-{4-[(3-methoxymethyl-benzofuran-2-carbonyl)-amino]-phenyl}-piperazine-1-carboxylic acid tert-butyl ester was prepared from 3-methoxymethyl-benzofuran-2-carboxylic acid and 4-(4-amino-phenyl)-piperazine-1-carboxylic acid tert-butyl ester. LCMS calcd for C26H31N3O5 (m/e) 465, obsd 466 (M+H).