Cyclobutanone → Ethyl cis(+/-)-2-[4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-(cyclobutylamino)piperidin-1-yl]-1,3-benzothiazole-7-carboxylate

Reaction equation

[NH2:1][C@H:2]1[C@@H:7]([NH:8][C:9]([C:11]2[NH:12][C:13]([CH2:17][CH3:18])=[C:14]([Cl:16])[N:15]=2)=[O:10])[CH2:6][CH2:5][N:4]([C:19]2[S:20][C:21]3[C:27]([C:28]([O:30][CH2:31][CH3:32])=[O:29])=[CH:26][CH:25]=[CH:24][C:22]=3[N:23]=2)[CH2:3]1.[C:33]1(=O)[CH2:36][CH2:35][CH2:34]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>>[Cl:16][C:14]1[N:15]=[C:11]([C:9]([NH:8][C@H:7]2[CH2:6][CH2:5][N:4]([C:19]3[S:20][C:21]4[C:27]([C:28]([O:30][CH2:31][CH3:32])=[O:29])=[CH:26][CH:25]=[CH:24][C:22]=4[N:23]=3)[CH2:3][C@H:2]2[NH:1][CH:33]2[CH2:36][CH2:35][CH2:34]2)=[O:10])[NH:12][C:13]=1[CH2:17][CH3:18]