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CAS 75527-84-3
Diphenylmethyl (2S,5R)-6,6-dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
Codes：Tazobactam Sodium-023
Application context (from source-drug indications)
腹腔感染他唑巴坦钠/头孢洛生呼吸机相关性肺炎他唑巴坦钠/头孢洛生泌尿系统感染他唑巴坦钠/头孢洛生社区获得性细菌肺炎他唑巴坦钠/头孢洛生肾盂肾炎他唑巴坦钠/头孢洛生医院获得性肺炎他唑巴坦钠/头孢洛生细菌感染头孢他啶/他唑巴坦钠呼吸道感染头孢他啶/他唑巴坦钠泌尿系统感染头孢他啶/他唑巴坦钠
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 他唑巴坦钠/头孢洛生Tazobactam Sodium/Ceftolozane | Tier C — Watch / trade | - |
| 头孢他啶/他唑巴坦钠Ceftazidime/Tazobactam Sodium | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
(+)-6-Aminopenicillanic acid→(2S,5R)-6,6-Dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid→Diphenylmethyl (2S,5R)-6,6-dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate→Diphenylmethyl (2S,5R)-6,6-dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide→(2S,5R)-2beta-[(Benzhydryloxy)carbonyl]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane4-oxide→Methyl (2S,5R)-3,3-dimethyl-4,7-dioxo-4lambda4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate→1-(Trimethylsilyl)-1,2,3-triazole→1,2,3-Triazole→3-(1,2,3-Triazol-4-yl)pyridine→(2S,3S,5R)-2-Methyl-2-(1H-1,2,3-triazol-1-ylmethyl)penam-3-carboxylic acid diphenylmethyl ester→Methyl (2S,3S,5R)-3-methyl-7-oxo-3-[(1H-1,2,3-triazol-1-yl)methyl]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate→(2S,4R,6S)-6-Bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4-oxide→(Diphenylmethylidene)hydrazine→(2S,5R)-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid→(2S,5R)-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4-oxide→Benzhydryl (2S,5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate→1,3-Benzothiazole-2-thiol→(2R)-2-[(2R)-2-[(Benzothiazol-2-yl)dithio]-4-oxoazetidin-1-yl]-3-methyl-3-butenoic acid benzhydryl ester→Methyl (2R)-2-[(2R)-2-[(1,3-benzothiazol-2-yl)disulfanyl]-4-oxoazetidin-1-yl]-3-methylbut-3-enoate→Diphenylmethyl (2S,3R,5R)-3-(bromomethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate→(2S-(2alpha,3beta,5alpha))-3-(Chloromethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid diphenylmethyl ester→Methyl (2S,3R,5R)-3-(chloromethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
(+)-6-Aminopenicillanic acid→(2S,5R)-6,6-Dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid→Diphenylmethyl (2S,5R)-6,6-dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate→Diphenylmethyl (2S,5R)-6,6-dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide→(2S,5R)-2beta-[(Benzhydryloxy)carbonyl]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane4-oxide→Methyl (2S,5R)-3,3-dimethyl-4,7-dioxo-4lambda4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate→1-(Trimethylsilyl)-1,2,3-triazole→1,2,3-Triazole→3-(1,2,3-Triazol-4-yl)pyridine→(2S,3S,5R)-2-Methyl-2-(1H-1,2,3-triazol-1-ylmethyl)penam-3-carboxylic acid diphenylmethyl ester→Methyl (2S,3S,5R)-3-methyl-7-oxo-3-[(1H-1,2,3-triazol-1-yl)methyl]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate→(2S,4R,6S)-6-Bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4-oxide→(Diphenylmethylidene)hydrazine→(2S,5R)-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid→(2S,5R)-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4-oxide→Benzhydryl (2S,5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate→1,3-Benzothiazole-2-thiol→(2R)-2-[(2R)-2-[(Benzothiazol-2-yl)dithio]-4-oxoazetidin-1-yl]-3-methyl-3-butenoic acid benzhydryl ester→Methyl (2R)-2-[(2R)-2-[(1,3-benzothiazol-2-yl)disulfanyl]-4-oxoazetidin-1-yl]-3-methylbut-3-enoate→Diphenylmethyl (2S,3R,5R)-3-(bromomethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate→(2S-(2alpha,3beta,5alpha))-3-(Chloromethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid diphenylmethyl ester→Methyl (2S,3R,5R)-3-(chloromethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
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