apalcillin sodium

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apalcillin sodium Basic information
Product Name:apalcillin sodium
Synonyms:4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[[[(4-hydroxy-1,5-naphthyridin-3-yl)carbonyl]amino]phenylacetyl]amino]-3,3-dimethyl-7-oxo-, monosodium salt, [2S-[2alpha,5alpha,6beta(S*)]]-;APALCILLIN SODIUM;(2S,5R,6R)-6-[[(R)-(4-Hydroxypyrido[3,2-b]pyridin-3-ylcarbonylamino)phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium salt;6α-[[(R)-[[(4-Hydroxy-1,5-naphthyridin-3-yl)carbonyl]amino]phenylacetyl]amino]penicillanic acid sodium salt
CAS:58795-03-2
MF:C25H22N5NaO6S
MW:543.52685
EINECS:261-446-1
Product Categories:
Mol File:58795-03-2.mol
apalcillin sodium Structure
apalcillin sodium Chemical Properties
Safety Information
MSDS Information
apalcillin sodium Usage And Synthesis
OriginatorLumota,Thomae,W. Germany,1982
UsesAntibacterial.
Manufacturing Process(a) Preparation of 6-D-α-aminobenzylpenicillin phenacyl ester: To a suspension of phenacyl 6-aminopenicillanate hydrochloride (1.85 g) and Dphenylglycyl chloride hydrochloride (1.29 g) in dichloromethane (20 ml), sodium bicarbonate (1.05 g) was added, and the resultant mixture was stirred while cooling with ice for 6 hours. The reaction mixture was filtered to eliminate the by-produced sodium chloride. The filtrate was admixed with isopropanol and concentrated under reduced pressure by the aid of a rotary evaporator. After the evaporation of dichloromethane, the precipitate was collected by filtration to give the objective compound in the form of the hydrochloride (2.19 g) MP 142° to 148°C (decomposition).
(b) Preparation of D-α-(4-hydroxy-1,5-naphthyridine-3- carbonamido)benzylpenicillin: To a solution of 6-D-α-aminobenzylpenicillin phenacyl ester (hydrochloride) (2.01 g) and triethylamine (0.808 g) in dimethylformamide (20 ml), 4-hydroxy-1,5-naphthyridine-3-carboxylic acid Nsuccinimide ester [MP 310° to 311°C (decomposition)] (1.15 g) was added while cooling with ice, and the resultant mixture was stirred for 1 hour. Stirring was further continued at room temperature for 2 hours. After cooling with ice, 1% sodium bicarbonate solution (100 ml) was added thereto. The precipitated crystals were collected by filtration, washed with water and dried over phosphorus pentoxide to give D-(α-4-hydroxy-1,5-naphthyridine-3- carboxamido)benzylpenicillin phenacyl ester (2.17 g).
The above product was dissolved in dimethylformamide (65 ml), sodium thiophenoxide (0.89 g) was added thereto, and the resultant mixture was stirred at room temperature for 1 hour. To the resultant mixture, acetone (650 ml) was added, and the separated crystals were collected by filtration and washed with acetone and ether in order to give the objective compound in the form of the sodium salt (1.3 g).
In the above procedure, the use of 4-hydroxy-1,5-naphthyridine-3-carbonyl chloride in place of 4-hydroxy-1,5-naphthyridine-3-carboxylic acid Nsuccinimide ester can also afford the same objective compound as above. The use of sodium thio-n-propoxide in place of sodium thiophenoxide can also give the objective compound in the form of the sodium salt.
Therapeutic FunctionAntibacterial
apalcillin sodium Preparation Products And Raw materials
Raw materialsSODIUM THIOPHENOXIDE-->Sodium bicarbonate-->Triethylamine-->(R)-(-)-2-Phenylglycine chloride hydrochloride
Tag:apalcillin sodium(58795-03-2) Related Product Information
APALCILLIN 1,5-NAPHTHYRIDINE BENZYL-PYRIDIN-2-YLMETHYL-AMINE Penicillin G sodium salt 4-Hydroxy-1,5-naphthyridine Ampicillin sodium PYRIDINE-2-CARBOXYLIC ACID (2-AMINO-ETHYL)-AMIDE 2-METHYL-1,5-NAPHTHYRIDINE timonacic sodium apalcillin sodium