7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid → (Pivaloyloxy)methyl (6R-trans)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylate

反応式

[CH3:1][C:2]1[CH2:9][S:8][CH:7]2[N:4]([C:5](=[O:11])[CH:6]2[NH2:10])[C:3]=1[C:12]([OH:14])=[O:13].ClC[CH2:17][C:18]([CH3:23])([CH3:22])[C:19]([O-:21])=[O:20].[C:24](OCC1CSC2N(C(=O)C2N)C=1C(O)=O)(=O)C.ClCOC(=O)CC>>[C:19]([O:21][CH2:24][O:13][C:12]([C:3]1[N:4]2[CH:7]([S:8][CH2:9][C:2]=1[CH3:1])[CH:6]([NH2:10])[C:5]2=[O:11])=[O:14])(=[O:20])[C:18]([CH3:23])([CH3:22])[CH3:17]