[NH:1]([C:11]([O:13][CH2:14][C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)=[O:12])[C@@H:2]([C:4]([NH:6][CH2:7][C:8]([NH2:10])=[O:9])=[O:5])[CH3:3]>CO>[NH:1]([C:11]([O:13][CH2:14][C:15]1[CH:16]=[CH:17][CH:18]=[CH:19][CH:20]=1)=[O:12])[C@@H:2]([C:4]([NH:6][CH2:7][C:8]([NH2:10])=[O:9])=[O:5])[CH2:3][C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1Z-D-Ala-Gly-NH2 (21) (Richman et al., Int. Peptide Protein Res., 25:648-662 (1985), which is hereby incorporated by reference): 1H and 13C NMR data are identical to (8). HRMS (FAB+) MH+ calcd 280.1297 found 280.1298; [α]27D+10.5 (c 0.72, MeOH); lit. [α]D=+10.5.
Wird geladen…