Tributylvinyltin → 1-[1-(Tert-butoxycarbonyl)piperidin-4-ylmethyl]-4-(5-vinyl-2-thiophenesulfonyl)-2-piperazinone

Reaction equation

Br[C:2]1[S:6][C:5]([S:7]([N:10]2[CH2:15][CH2:14][N:13]([CH2:16][CH:17]3[CH2:22][CH2:21][N:20]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:19][CH2:18]3)[C:12](=[O:30])[CH2:11]2)(=[O:9])=[O:8])=[CH:4][CH:3]=1.[CH:31]([Sn](CCCC)(CCCC)CCCC)=[CH2:32].[Cl-].[Li+]>O1CCOCC1>[C:26]([O:25][C:23]([N:20]1[CH2:21][CH2:22][CH:17]([CH2:16][N:13]2[CH2:14][CH2:15][N:10]([S:7]([C:5]3[S:6][C:2]([CH:31]=[CH2:32])=[CH:3][CH:4]=3)(=[O:9])=[O:8])[CH2:11][C:12]2=[O:30])[CH2:18][CH2:19]1)=[O:24])([CH3:29])([CH3:28])[CH3:27]