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sodium [2S-(2alpha,5alpha,6beta)]-6-[(1,3-dioxo-3-phenoxy-2-phenylpropyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate

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sodium [2S-(2alpha,5alpha,6beta)]-6-[(1,3-dioxo-3-phenoxy-2-phenylpropyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate Basic information

Product Name:
sodium [2S-(2alpha,5alpha,6beta)]-6-[(1,3-dioxo-3-phenoxy-2-phenylpropyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
Synonyms:
  • N-[(2S,5R,6R)-2-Sodiooxycarbonyl-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-6-yl]-2-phenylmalonamidic acid phenyl ester
  • Uticillin
  • sodium [2S-(2alpha,5alpha,6beta)]-6-[(1,3-dioxo-3-phenoxy-2-phenylpropyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
  • Carfecillin Sodium
  • CARFECILLINSODIUMSALT
  • (6R)-6-(2-Phenoxycarbonyl-2-phenylacetylamino)penicillanic acid sodium salt
  • BRL-3475
CAS:
21649-57-0
MF:
C23H21N2NaO6S
MW:
476.47741
EINECS:
244-496-9
Mol File:
21649-57-0.mol
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sodium [2S-(2alpha,5alpha,6beta)]-6-[(1,3-dioxo-3-phenoxy-2-phenylpropyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate Chemical Properties

alpha 
D20 +216.2° (H2O)
storage temp. 
Sealed in dry,Room Temperature
solubility 
DMSO:0.0(Max Conc. mg/mL);0.0(Max Conc. mM)
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sodium [2S-(2alpha,5alpha,6beta)]-6-[(1,3-dioxo-3-phenoxy-2-phenylpropyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate Usage And Synthesis

Description

Carbenicillin phenyl was synthesized by Beecham Research Laboratories in 1966 as an orally active carbenicillin. It is hydrolyzed to carbenicillin by intestinal esterase and thus acts the same when administered orally. The phenol produced by the hydrolysis is conjugated and excreted in urine.

Originator

Carfecillin sodium ,Beecham (GSK)

Uses

Antibacterial.

Definition

ChEBI: Carfecillin sodium is an organic sodium salt. It contains a carfecillin(1-).

Manufacturing Process

Phenylmalonic acid (27 g) was mixed with dry ether (80 ml) and treated with thionyl chloride (17.85 g, 10.9 ml) and dimethylformamide (4 drops). The mixture was refluxed for 3 hours on a hot water bath. The solvent was evaporated under reduced pressure and the residue dissolved in fresh dry ether (80 ml). Phenol (14.1 g) was added all at once and the mixture refluxed for 2 hours. The reaction was cooled to room temperature, washed with water (25 ml) and extracted with saturated sodium bicarbonate solution until the extracts were alkaline. The combined aqueous extracts were washed with ether (100 ml) and acidified with 5 N HCl. The precipitated oil was extracted with methylene chloride. The combined organic extracts were washed thoroughly with water (6x120 ml) dried over anhydrous magnesium sulphate and evaporated. The solid residue was crystallised from benzene to give monophenyl phenylmalonate, a colourless crystalline solid 30.2 g (78.7 %) MP 115-117°C. This product (5.12 g, 0.02 m) was mixed with thionyl chloride (20 ml) and heated in a water bath at 75°C for 1 hour. The excess thionyl chloride was evaporated under reduced pressure. The residue was mixed with dry benzene (10 ml) and again evaporated to dryness to remove residual thionyl chloride. The final residue was dissolved in dry acetone (100 ml) and added, with stirring, to a solution of 6-aminophenicillanic acid (4.32) in water (100 ml), 1 N sodium hydroxide (20 ml), 1 N sodium bicarbonate solution (30 ml) and acetone (50 ml) cooled to 12°C. The reaction mixture was stirred for 2 hours. The resulting mixture was stirred at room temperature for 2 hours. The resulting solution was extracted with ether (3x60 ml) and the extracts discarded. The aqueous layer was covered with ether (60 ml) and acidified with 1 N HCl to pH 2. The ether layer was separated and the aqueous layer extracted with ether (2x60 ml). The combine ether extracts were washed with water (20 ml) and extracted with 1 N sodium bicarbonate solution to pH 7. The neutral aqueous extract was evaporated under reduced temperature and pressure. The residue was dried over phosphorous pentoxide in vacuo to give 6.7 (70.4%) of penicillin salt as an amorphous solid. The solid, when dissolved in ethanol (50 ml) at room temperature gave on standing 30 min the penicillin salt as a colorless crystalline solid 5.23 g (78.1 %).

Therapeutic Function

Antibiotic

sodium [2S-(2alpha,5alpha,6beta)]-6-[(1,3-dioxo-3-phenoxy-2-phenylpropyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate Supplier

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sodium [2S-(2alpha,5alpha,6beta)]-6-[(1,3-dioxo-3-phenoxy-2-phenylpropyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate (21649-57-0)Related Product Information