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CAS 128378-10-9
4-Methoxybenzyl (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Codes: Ceftazidime-033
Application context (from source-drug indications)
CystitisAvibactam Sodium/CeftazidimeCholecystitisAvibactam Sodium/CeftazidimePeritonitisAvibactam Sodium/CeftazidimeIntra-abdominal infectionAvibactam Sodium/CeftazidimeLiver abscessAvibactam Sodium/CeftazidimeSepsisAvibactam Sodium/CeftazidimeBacterial infectionCeftazidime/Tazobactam SodiumRespiratory tract infectionCeftazidime/Tazobactam SodiumUrinary tract infectionCeftazidime/Tazobactam SodiumBacterial infectionCeftazidimeGram-positive bacterial infectionCeftazidimeGram-negative bacterial infectionCeftazidimeGynaecological disorderCeftazidimeIntra-abdominal infectionCeftazidimeOsteoarthritisCeftazidime
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Avibactam Sodium/Ceftazidime | Tier C — Watch / trade | - |
| Ceftazidime/Tazobactam Sodium | Tier C — Watch / trade | - |
| Ceftazidime | 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.
4-(Dimethylamino)phenol→tert-Butyl (5Z)-5-(2-amino-1,3-thiazol-4-yl)-8,8-dimethyl-4-oxo-3,7-dioxa-2-thia-6-azanon-5-en-9-oate 2,2-dioxide→4-Methoxybenzyl (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate→1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetyl]amino]-2-[[(4-methoxybenzyl)oxy]carbonyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride→4-Hydroxyaniline→(2Z)-(2-Amino-1,3-thiazol-4-yl)[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetic acid→Pyridine→4-Methoxybenzyl (6R,7R)-7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride
4-(Dimethylamino)phenol→tert-Butyl (5Z)-5-(2-amino-1,3-thiazol-4-yl)-8,8-dimethyl-4-oxo-3,7-dioxa-2-thia-6-azanon-5-en-9-oate 2,2-dioxide→4-Methoxybenzyl (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate→1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetyl]amino]-2-[[(4-methoxybenzyl)oxy]carbonyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride→4-Hydroxyaniline→(2Z)-(2-Amino-1,3-thiazol-4-yl)[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetic acid→Pyridine→4-Methoxybenzyl (6R,7R)-7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride
4-(Dimethylamino)phenol→tert-Butyl (5Z)-5-(2-amino-1,3-thiazol-4-yl)-8,8-dimethyl-4-oxo-3,7-dioxa-2-thia-6-azanon-5-en-9-oate 2,2-dioxide→4-Methoxybenzyl (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate→1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetyl]amino]-2-[[(4-methoxybenzyl)oxy]carbonyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride→4-Hydroxyaniline→(2Z)-(2-Amino-1,3-thiazol-4-yl)[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetic acid→Pyridine→4-Methoxybenzyl (6R,7R)-7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride
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