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CAS 120-78-5
2-(1,3-Benzothiazol-2-yldisulfanyl)-1,3-benzothiazoleBis(benzothiazol-2-yl)disulfide
Codes：Ceftazidime-023
Application context (from source-drug indications)
膀胱炎阿维巴坦钠/头孢他啶胆囊炎阿维巴坦钠/头孢他啶腹膜炎阿维巴坦钠/头孢他啶腹腔感染阿维巴坦钠/头孢他啶肝脓肿阿维巴坦钠/头孢他啶脓毒病阿维巴坦钠/头孢他啶细菌感染头孢他啶/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 |
|---|---|---|
| 阿维巴坦钠/头孢他啶Avibactam Sodium/Ceftazidime | 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.
tert-Butyl 2-[[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[(1,3-benzothiazol-2-yl)sulfanyl]-2-oxoethylidene]amino]oxy]-2-methylpropanoate→tert-Butyl 2-([(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-ethoxy-2-oxoethylidene]amino]oxy)-2-methylpropanoate→2-(1,3-Benzothiazol-2-yldisulfanyl)-1,3-benzothiazole→(2Z)-(2-Amino-1,3-thiazol-4-yl)[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetic acid
2-Mercaptobenzothiazole→tert-Butyl 2-[[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[(1,3-benzothiazol-2-yl)sulfanyl]-2-oxoethylidene]amino]oxy]-2-methylpropanoate→2-(1,3-Benzothiazol-2-yldisulfanyl)-1,3-benzothiazole→tert-Butyl 2-([(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-ethoxy-2-oxoethylidene]amino]oxy)-2-methylpropanoate
Bis(benzothiazol-2-yl)disulfide→S-1,3-Benzothiazol-2-yl 2-[[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[(1,3-benzothiazol-2-yl)sulfanyl]-2-oxoethylidene]amino]oxy]-2-methylpropanethioate→2-{[(Z)-[(2-amino-1,3-thiazol-4-yl)(carboxy)methylidene]amino]oxy}-2-methylpropanoic acid
tert-Butyl 2-[[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[(1,3-benzothiazol-2-yl)sulfanyl]-2-oxoethylidene]amino]oxy]-2-methylpropanoate→tert-Butyl 2-([(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-ethoxy-2-oxoethylidene]amino]oxy)-2-methylpropanoate→2-(1,3-Benzothiazol-2-yldisulfanyl)-1,3-benzothiazole→(2Z)-(2-Amino-1,3-thiazol-4-yl)[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetic acid
2-Mercaptobenzothiazole→tert-Butyl 2-[[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[(1,3-benzothiazol-2-yl)sulfanyl]-2-oxoethylidene]amino]oxy]-2-methylpropanoate→2-(1,3-Benzothiazol-2-yldisulfanyl)-1,3-benzothiazole→tert-Butyl 2-([(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-ethoxy-2-oxoethylidene]amino]oxy)-2-methylpropanoate
Bis(benzothiazol-2-yl)disulfide→S-1,3-Benzothiazol-2-yl 2-[[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[(1,3-benzothiazol-2-yl)sulfanyl]-2-oxoethylidene]amino]oxy]-2-methylpropanethioate→2-{[(Z)-[(2-amino-1,3-thiazol-4-yl)(carboxy)methylidene]amino]oxy}-2-methylpropanoic acid
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