Ethyl Acetate → 4-Methoxybenzyl (2RS)-2-hydroxy-2-[(3R,4R)-3-phenylacetamido-4-(tetrahydropyran-4-ylcarbonylmethylthio)azetidin-2-on-1-yl]acetate

Reaction equation

[OH:1][CH:2]([N:15]1[C:21](=[O:22])[C@@H:20]2[C@H:16]1[S:17][C:18]([CH2:23][C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1)=[N:19]2)[C:3]([O:5][CH2:6][C:7]1[CH:12]=[CH:11][C:10]([O:13][CH3:14])=[CH:9][CH:8]=1)=[O:4].Br[CH2:31][C:32]([CH:34]1[CH2:39][CH2:38][O:37][CH2:36][CH2:35]1)=[O:33].C(=O)([O-])[O-:41].[K+].[K+].C(OCC)(=O)C>CC(C)=O>[OH:1][CH:2]([N:15]1[C@H:16]([S:17][CH2:31][C:32]([CH:34]2[CH2:39][CH2:38][O:37][CH2:36][CH2:35]2)=[O:33])[C@H:20]([NH:19][C:18](=[O:41])[CH2:23][C:24]2[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=2)[C:21]1=[O:22])[C:3]([O:5][CH2:6][C:7]1[CH:8]=[CH:9][C:10]([O:13][CH3:14])=[CH:11][CH:12]=1)=[O:4]