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CAS 1809092-47-4

1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[[(2-carboxypropan-2-yl)oxy]imino]acetyl]amino]-8-oxo-2-[[(trimethylsilyl)oxy]carbonyl]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridin-1-ium iodide

Codes: Ceftazidime-040

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)

DrugTierExpiry
Avibactam Sodium/CeftazidimeTier C — Watch / trade-
Ceftazidime/Tazobactam SodiumTier C — Watch / trade-
CeftazidimeTier 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.

Avibactam Sodium/CeftazidimeOptimised routesteps: 2total yield: /
1-[[(6R,7R)-8-Oxo-7-[(trimethylsilyl)amino]-2-[[(trimethylsilyl)oxy]carbonyl]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridin-1-ium iodide→2-([[(1Z)-1-(2-Amino-1,3-thiazol-4-yl)-2-chloro-2-oxoethylidene]amino]oxy)-2-methylpropanoic acid hydrochloride→1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[[(2-carboxypropan-2-yl)oxy]imino]acetyl]amino]-8-oxo-2-[[(trimethylsilyl)oxy]carbonyl]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridin-1-ium iodide
Ceftazidime/Tazobactam SodiumOptimised routesteps: 2total yield: /
1-[[(6R,7R)-8-Oxo-7-[(trimethylsilyl)amino]-2-[[(trimethylsilyl)oxy]carbonyl]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridin-1-ium iodide→2-([[(1Z)-1-(2-Amino-1,3-thiazol-4-yl)-2-chloro-2-oxoethylidene]amino]oxy)-2-methylpropanoic acid hydrochloride→1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[[(2-carboxypropan-2-yl)oxy]imino]acetyl]amino]-8-oxo-2-[[(trimethylsilyl)oxy]carbonyl]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridin-1-ium iodide
CeftazidimeOptimised routesteps: 2total yield: /
1-[[(6R,7R)-8-Oxo-7-[(trimethylsilyl)amino]-2-[[(trimethylsilyl)oxy]carbonyl]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridin-1-ium iodide→2-([[(1Z)-1-(2-Amino-1,3-thiazol-4-yl)-2-chloro-2-oxoethylidene]amino]oxy)-2-methylpropanoic acid hydrochloride→1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[[(2-carboxypropan-2-yl)oxy]imino]acetyl]amino]-8-oxo-2-[[(trimethylsilyl)oxy]carbonyl]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridin-1-ium iodide

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