Cefradine Synthesis
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Cefradine ( INN) or cephradine (
BAN Ban, or BAN, may refer to: Law * Ban (law), a decree that prohibits something, sometimes a form of censorship, being denied from entering or using the place/item ** Imperial ban (''Reichsacht''), a form of outlawry in the medieval Holy Roman ...
) is a first generation
cephalosporin The cephalosporins (sg. ) are a class of β-lactam antibiotics originally derived from the fungus ''Acremonium'', which was previously known as ''Cephalosporium''. Together with cephamycins, they constitute a subgroup of β-lactam antibiotics ...
antibiotic An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting bacterial infections, and antibiotic medications are widely used in the treatment and prevention of ...
.


Indications

*Respiratory tract infections (such as tonsillitis, pharyngitis, and lobar pneumonia) caused by group A beta-hemolytic
streptococci ''Streptococcus'' is a genus of gram-positive ' (plural ) or spherical bacteria that belongs to the family Streptococcaceae, within the order Lactobacillales (lactic acid bacteria), in the phylum Bacillota. Cell division in streptococci occurs ...
and ''S. pneumoniae'' (formerly ''D. pneumonia'').
Penicillin Penicillins (P, PCN or PEN) are a group of β-lactam antibiotics originally obtained from ''Penicillium'' moulds, principally '' P. chrysogenum'' and '' P. rubens''. Most penicillins in clinical use are synthesised by P. chrysogenum using ...
is the usual drug of choice in the treatment and prevention of streptococcal infections, including the prophylaxis of rheumatic fever. Cefuroxime is generally effective in the eradication of streptococci from the nasopharynx
*Otitis media caused by group A beta-hemolytic streptococci, ''S. pneumoniae'', ''H. influenzae'', and staphylococci. *Skin and skin structure infections caused by staphylococci (penicillin-susceptible and penicillin-resistant) and beta-hemolytic streptococci. *Urinary tract infections, including prostatitis, caused by ''E. coli'', ''P. mirabilis'' and '' Klebsiella'' species.


Formulations

Cefradine is distributed in the form of capsules containing 250 mg or 500 mg, as a syrup containing 250 mg/5 ml, or in vials for injection containing 500 mg or 1 g. It is not approved by the FDA for use in the United States.


Synthesis

Birch reduction of D-α- phenylglycine led to diene (2). This was N-protected using ''tert''-butoxycarbonylazide and activated for amide formation via the mixed anhydride method using isobutylchloroformate to give 3. Mixed anhydride 3 reacted readily with 7-aminodesacetoxycephalosporanic acid to give, after deblocking, cephradine (5).


Production names

The antibiotic is produced under many brand names across the world. * Bangladesh: Ancef, Ancef forte, Aphrin, Avlosef, Cefadin, Cephadin, Cephran, Cephran-DS, Cusef, Cusef DS, Dicef , Dicef forte, Dolocef, Efrad, Extracef, Extracef-DS, Intracef, Kefdrin, Lebac, Lebac Forte, Medicef, Mega-Cef, Megacin, Polycef, Procef, Procef, Procef forte, Rocef, Rocef Forte DS, Sefin, Sefin DS, Sefnin, Sefrad, Sefrad DS, Sefril, Sefril-DS, Sefro, Sefro-HS, Sephar, Sephar-DS, Septa, Sinaceph, SK-Cef, Sk-Cef DS, Supracef and Supracef-F, Torped, Ultrasef, Vecef, Vecef-DS, Velogen, Sinaceph, Velox * China: Cefradine, Cephradine, Kebili, Saifuding, Shen You, Taididing, Velosef, Xianyi, and Xindadelei * Colombia: Cefagram, Cefrakov, Cefranil , Cefrex, and Kliacef * Egypt: Cefadrin, Cefadrine, Cephradine, Cephraforte, Farcosef, Fortecef, Mepadrin, Ultracef, and Velosef * France: Dexef * Hong Kong: Cefradine and ChinaQualisef-250 * Indonesia: Dynacef, Velodine, and Velodrom * Lebanon: Eskacef, Julphacef, and Velosef * Lithuania: Tafril * Myanmar: Sinaceph * Oman: Ceframed, Eskasef, Omadine, and Velocef * Pakistan: Abidine, Ada-Cef, Ag-cef, Aksosef, Amspor, Anasef, Antimic, Atcosef, Bactocef, Biocef, Biodine, Velora, Velosef * Peru: Abiocef, Cefradinal, Cefradur, Cefrid, Terbodina II, Velocef, Velomicin * The Philippines: Altozef, Racep, Senadex, Solphride, Yudinef, Zefadin, Zefradil, and Zolicef * Poland: Tafril * Portugal: Cefalmin, Cefradur * South Africa: Cefril A * South Korea: Cefradine and Tricef * Taiwan: Cefadin, Cefamid, Cefin, Cekodin, Cephradine, Ceponin, Lacef, Licef-A, Lisacef, Lofadine, Recef, S-60, Sefree, Sephros, Topcef, Tydine, Unifradine, and U-Save * UK: Cefradune (Kent) * Vietnam: Eurosefro and Incef Cefradine is known as Cefradina in Portuguese and Spanish and is produced by the following companies under this name: AC Farma, Peru; Andromaco, Chile; Anglopharma, Colombia; AZ Pharma, Colombia; Biogalenic, Venezuela; Bussié, Colombia; Elter - Medicamentos Genéricos, Venezuela; Farmindustria, Peru; Genfar, Colombia, Honduras and Peru; La Sante, Peru; La Santé, Colombia; Labesfal, Portugal; Lafrancol, Colombia; LCG, Peru; Marfan, Peru; Memphis, Colombia; Mintlab, Chile; MK, Colombia; Ophalac, Colombia; Procaps, Colombia and Vitalis, Colombia and Peru.


See also

* Cephapirin * Cephacetrile * Cefamandole * Ampicillin (Has the same chemical formula)


Notes


References

{{Xenobiotic-sensing receptor modulators Cephalosporin antibiotics Enantiopure drugs