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| Clinical data | |
|---|---|
| AHFS/Drugs.com | Micromedex Detailed Consumer Information |
| Routes of administration | Oral |
| Drug class | aminopenicillin |
| ATC code | |
| Pharmacokinetic data | |
| Metabolism | Rapidly hydrolyzed to ampicillin |
| Identifiers | |
| |
| CAS Number | |
| Chemical and physical data | |
| Formula | C21H27N3O7S |
| Molar mass | 465.52 g·mol−1 |
| |
  (what is this?) (verify) | |
Bacampicillin (INN) is a penicillin antibiotic. It is a prodrug of ampicillin with improved oral bioavailability.[1]
It was sold under the brand names Spectrobid (Pfizer) and Penglobe (AstraZeneca).In 2015, Pfizer discontinued Spectrobid, and no generic manufacturer has taken over production.[2] Bacampicillin is thus unavailable in the United States, and is no longer FDA approved.[3]
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AMPICILLIN CAPSULES, ANTIBIOTICS, USE, DOSE, SIDE EFFECT, एम्पीसिलीन कैप्सूल की जानकारी सरल भाषा में
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Transcription
Synthesis
Semi-synthetic antibiotic related to penicillin.
The relatively small chemical difference between ampicillin and benzylpenicillin not only allows for substantial oral activity but also results in a substantial broadening of antimicrobial spectrum so as to allow for use against many Gram-negative bacteria. Many devices have been employed in order to enhance still further the oral absorption of ampicillin. Bacampicillin is a prodrug of ampicillin designed for this purpose.
An azidopenicillin sodium salt (1) is reacted with mixed carbonate ester 2 (itself prepared from acetaldehyde and ethyl chloroformate) to give ester 3. Reduction of the azido linkage with hydrogen and a suitable catalyst produces bacampillin (4). Both enantiomers are active. The drug is rapidly absorbed from the gastrointestinal tract and is quickly cleaved by serum esterases to bioactive ampicillin, acetaldehyde, CO2 and ethanol.[citation needed]
References
- ^ Bodin NO, Ekström B, Forsgren U, Jalar LP, Magni L, Ramsay CH, Sjöberg B (November 1975). "Bacampicillin: a new orally well-absorbed derivative of ampicillin". Antimicrobial Agents and Chemotherapy. 8 (5): 518–25. doi:10.1128/aac.8.5.518. PMC 429411. PMID 1211909.
- ^ "Drugs@FDA: FDA-Approved Drugs , BACAMPICILLIN HYDROCHLORIDE". www.accessdata.fda.gov. Retrieved 2022-07-29.
- ^ "Organon USA Inc. et al.; Withdrawal of Approval of 67 New Drug Applications and 128 Abbreviated New Drug Applications". unblock.federalregister.gov. Retrieved 2022-07-29.
- ^ DE 2311328, Ekström, Bertil; Kovacs, Ödön Kalman Jozsef & Sjöberg, Berndt Olof Harald, "Penicilline und Verfahren zu deren Herstellung [Penicillin and method for manufacturing thereof]", published 1973-10-18, assigned to Astra Läkemedel AB
- ^ Ekstrom BA, Kovacs OK, and Sjoberg BO, (1973). Chem. Abstr., 80, 14921q(1974).
- ^ DE 2144457, Ekström, Bertil Ake & Sjöberg, Berndt Olof Harald, "α-Aminopenicilline und Verfahren zu deren Herstellung [α-aminopenicillins and processes for their preparation]", published 1972-03-30, assigned to Astra Läkemedel AB
- ^ Ekstrom BA, Sjoberg BO, U.S. patent 3,873,521 and U.S. patent 3,939,270 (1975 and 1976 both to Astra).
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This page was last edited on 22 December 2023, at 20:41