Phenylacetyl chloride → p-Nitrobenzyl 7-phenylacetamido-3-chloro-3-cephem-4-carboxylate
反応式
[NH2:1][CH:2]1[C:23](=[O:24])[N:4]2[C:5]([C:10]([O:12][CH2:13][C:14]3[CH:19]=[CH:18][C:17]([N+:20]([O-:22])=[O:21])=[CH:16][CH:15]=3)=[O:11])=[C:6]([Cl:9])[CH2:7][S:8][C@H:3]12.[C:25]1([CH2:31][C:32](Cl)=[O:33])[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1.C(=O)(O)[O-].[Na+]>CC(C)=O>[C:25]1([CH2:31][C:32]([NH:1][CH:2]2[C:23](=[O:24])[N:4]3[C:5]([C:10]([O:12][CH2:13][C:14]4[CH:15]=[CH:16][C:17]([N+:20]([O-:22])=[O:21])=[CH:18][CH:19]=4)=[O:11])=[C:6]([Cl:9])[CH2:7][S:8][C@H:3]23)=[O:33])[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1参加物
5
実験手順
For example, p-nitrobenzyl 7-amino-3-chloro-3-cephem-4-carboxylate is reacted with phenylacetyl chloride in cold aqueous acetone containing sodium bicarbonate to provide p-nitrobenzyl 7-phenylacetamido-3-chloro-3-cephem-4-carboxylate.