[C:1]12[C:7](=[CH:8][CH:9]=[CH:10][CH:11]=1)[NH:6][C:5](=[O:12])[O:4][C:2]2=[O:3].O[CH2:14][C:15]1[CH:16]=[CH:17][C:18](=[O:21])[NH:19][CH:20]=1>>[O:21]=[C:18]1[NH:19][CH:20]=[C:15]([CH2:14][N:6]2[C:7]3[CH:8]=[CH:9][CH:10]=[CH:11][C:1]=3[C:2](=[O:3])[O:4][C:5]2=[O:12])[CH:16]=[CH:17]1Prepared by a similar procedure as described for preparation 7B, starting from isatoic anhydride and 5-hydroxymethyl-1H-pyridin-2-one (prepared as described in WO 01/77078 A1).
Wird geladen…