[CH2:1]([NH:3][C:4]1[C:13]2[C:8](=[C:9]([CH2:24][CH2:25][CH3:26])[C:10]3[O:17][C:16]([C:18]([O:20]CC)=[O:19])=[CH:15][C:14](=[O:23])[C:11]=3[CH:12]=2)[N:7]=[C:6]([C:27]([O:29]CC)=[O:28])[CH:5]=1)[CH3:2].[Na:32][Na].ClC1C2C=C(OC)C3C(=O)C=C(C([O-])=O)OC=3C=2N=C(C([O-])=O)C=1.[Na+].[Na+]>>[CH2:1]([NH:3][C:4]1[C:13]2[C:8](=[C:9]([CH2:24][CH2:25][CH3:26])[C:10]3[O:17][C:16]([C:18]([O-:20])=[O:19])=[CH:15][C:14](=[O:23])[C:11]=3[CH:12]=2)[N:7]=[C:6]([C:27]([O-:29])=[O:28])[CH:5]=1)[CH3:2].[Na+:32].[Na+:32]The product of step (c) was hydrolysed to the disodium salt by the method of Example 3 (g) to afford a cream solid.
Wird geladen…