C[C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][C:11]=1C)[N:8]=[C:7]([C:13]([NH:15][C:16]1[NH:20][N:19]=[N:18][N:17]=1)=[O:14])[C:6](=[O:21])[NH:5]2.CC1C=C2C(=CC=1C)N=C(C(O)=O)C(=O)N2>>[O:21]=[C:6]1[NH:5][C:4]2[C:9](=[CH:10][CH:11]=[CH:2][CH:3]=2)[N:8]=[C:7]1[C:13]([NH:15][C:16]1[NH:20][N:19]=[N:18][N:17]=1)=[O:14]In a similar manner 3,4-Dihydro-6,7-dimethyl-3-oxo-N(1H-tetrazol-5-yl)-2-quinoxalinecarboxamide, m.p. 262° (d), was prepared from 3,4-dihydro-6,7-dimethyl-3-oxo-2-quinoxalinecarboxylic acid (40%).
読み込み中…