1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride

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1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride Suppliers list
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1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride manufacturers
1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride Basic information
Preparation
Product Name:1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride
Synonyms:3-CHLORO-4-FLUOROBENZYLAMINE,98%;1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride;(1-{[(6R,7R)-7-[2-(2-aMino-1,3-thiazol-4-yl)-2-[(1-carboxy-1-Methylethoxy)iMino]acetaMido]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]Methyl}pyridin-1-iuM-2-yl)chloranuide hydrochloride;Ceftazidine Dihydrochloride;1-(((6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)pyridin-1-ium chloride hydrochloride;Ceftazidime N-1 Intermediate;Ceftazidime Dihydrochloride DISCONTINUED. Please see C244100 or C244128;1-{[(6R,7R)-7-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-{[(2-carboxypropan-2-yl)oxy]imino}acetyl]amino}-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl}pyridinium chloride hydrochloride (1:1:1)
CAS:73547-70-3
MF:C22H23N6O7S2.ClH.Cl
MW:619.5
EINECS:615-984-2
Product Categories:
Mol File:73547-70-3.mol
1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride Structure
1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride Chemical Properties
density 1.185g/cm3 at 20℃
vapor pressure 18-1800Pa at 20℃
form Solid:particulate/powder
InChIKeyJLZLIGALAZXURA-NINLSHECNA-N
SMILESC(C1=C(CS[C@]2([H])[C@H](NC(=O)/C(/C3N=C(N)SC=3)=N\OC(C)(C)C(=O)O)C(=O)N12)C[N+]1=CC=CC=C1)(=O)O.[Cl-].Cl |&1:5,7,r|
LogP-6.028--3.36
CAS DataBase Reference73547-70-3(CAS DataBase Reference)
Safety Information
MSDS Information
1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride Usage And Synthesis
PreparationCurrently, two different methods for preparing ceftazidime are reported in the literature: The first method uses 7-aminocephalosporanic acid (7-ACA) as the starting core, reacting it with pyridine in the presence of trimethyliodosilane (TMSI) to obtain 7-APCA dihydrochloride. This dihydrochloride reacts with the active ester of the ceftazidime side chain acid to obtain ceftazidime tert-butyl ester. This tert-butyl ester is then hydrolyzed to obtain ceftazidime pentahydrate, which is mixed with sodium carbonate to prepare the injectable active pharmaceutical ingredient. The second method uses 7-phenylacetamide-3-chloromethylcephalosporanic acid p-methoxybenzyl ester (GCLE) as the starting core, reacting it with potassium iodide to obtain the ceftazidime intermediate 7-phenylacetamido-3-iodomethyl-3-cephalosporin-4-carboxylic acid p-methoxybenzyl ester. This intermediate undergoes a series of reactions, including nucleophilic substitution, with pyridine to obtain the target product. 1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride can be used as a raw material for the preparation of ceftazidime formulations.

Uses6S,7R-Ceftazidime Isomer is an impurity of Ceftazidime (C244100). Ceftazidime Third generation cephalosporin antibiotic. Antibacterial.
1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride Preparation Products And Raw materials
Tag:1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride(73547-70-3) Related Product Information
CeftazidiMe Ceftazidime pentahydrate 1-[2-(Dimethylamino)ethyl]-1H-tetrazole-5-thiol Ceftazidime sterile(sodium carbonate) 7(R)-amino-3-(1-pyridiniomethyl)-3-cephem-4-carboxylic acid chloride monohydrochloride 2-Mercaptobenzothiazolyl-(Z)-(2-aminothiazol-4-yl)-2-(tert-butoxycarbonyl) isopropoxyiminoacetate TAEM (Z)-2-Amino-alpha-[1-(tert-butoxycarbonyl)]-1-methylethoxyimino-4-thiazolacetic acid 3-Chloro-4-fluorobenzylamine 1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride monohydrochloride 1-Carboxy-1-methylethoxyammonium chloride O-tert-Butylhydroxylamine hydrochloride 2-(Isopropylideneaminooxy)propionic acid 3-(Methylamino)azetidine dihydrochloride N-Ethyl-3-azetidinamine dihydrochloride 1-Methyl-azetidin-3-ylamine dihydrochloride 3-Aminoazetidine