(S,S)-1-(2-tert-butoxycarbonylamino-2-phenyl-acetyl)-pyrrolidine-2-carboxylic acid → (S,S) {2-[2-(2-bromo-imidazo[2,1-b]thiazol-6-ylcarbamoyl)-pyrrolidin-1-yl]-2-oxo-1-phenyl-ethyl}-carbamic acid tert-butyl ester

Reaction equation

Cl.BrC1SC2=NC(N)=CN2C=1.C(OC(N[C@@H](C1C=CC=CC=1)C(N1CCC[C@H]1C(O)=O)=O)=O)(C)(C)C.[C:37]([O:41][C:42](=[O:70])[NH:43][C@@H:44]([C:64]1[CH:69]=[CH:68][CH:67]=[CH:66][CH:65]=1)[C:45]([N:47]1[CH2:51][CH2:50][CH2:49][C@@H:48]1[C:52](=[O:63])[NH:53][C:54]1[N:55]=[C:56]2[N:60]([CH:61]=1)[CH:59]=[C:58]([Br:62])[S:57]2)=[O:46])([CH3:40])([CH3:39])[CH3:38]>>[C:37]([O:41][C:42](=[O:70])[NH:43][C@@H:44]([C:64]1[CH:65]=[CH:66][CH:67]=[CH:68][CH:69]=1)[C:45]([N:47]1[CH2:51][CH2:50][CH2:49][C@H:48]1[C:52](=[O:63])[NH:53][C:54]1[N:55]=[C:56]2[N:60]([CH:61]=1)[CH:59]=[C:58]([Br:62])[S:57]2)=[O:46])([CH3:40])([CH3:38])[CH3:39]