β-lactam antibiotic

Ceftriaxone Sodium is a broad-spectrum β-lactam tertiary cephalosporin antibiotic with anti-inflammatory, antitumor, antibacterial, and antioxidant activities.Ceftriaxone Sodium is a covalent GSK3β and Aurora B inhibitor used in the study of sepsis and infective endocarditis.

Cefsulodin sodium (Sulcephalosporin) hydrate is a β lactam antibiotic.

Penicillin G Procaine is a β-lactam antibiotic and is a crystalline complex produced by chemically combining penicillin G with procaine.

Ampicillin Trihydrate (NCI-C56086), a broad-spectrum semisynthetic derivative of aminopenicillin, is a β-lactam antibiotic.

L-(+)-Ampicillin is an isomer of Ampicillin. Ampicillin is a β-lactam antibiotic used for treating bacterial infections.

Cefsulodin is a β-lactam antibiotic that lyses actively-growingE. coliby binding specifically to the intermembrane proteins, penicillin-binding proteins 1a and b, whose transglycosylase and transpeptidase activities are involved in cell elongation and septation.1Cefsulodin has been used in combination with other β-lactam antibiotics, such as cefazolin as a strategy to circumvent drug resistance.2

Penicillinase is a beta-lactamase. beta-lactamase enzymes inactivate beta-lactam antibiotics by hydrolyzing the peptide bond of the characteristic four-membered beta-lactam ring rendering the antibiotic ineffective [1] .

Cefmetazole is a second-generation semi-synthetic β-lactam cephalosporin antibiotic with antimicrobial activity.

Temocillin, a semisynthetic 6-alpha-methoxy penicillin derivative, is a beta-lactam antibiotic. It exhibits a spectrum of activity primarily against aerobic Gram-negative bacteria [1].

Hetacillin is a β-lactam Antibiotic that belongs to the amino-penicillin family and is converted to ampicillin by esterase.Ampicillin is a prodrug that has no antimicrobial activity.

Cephamycin C (CepC) is a nontoxic β-lactam antibiotic. CepC stands out from other cephalosporins for its greater resistance to β-lactamases.

Dicloxacillin Sodium (BRL1702 Sodium) is a β-lactamase resistant penicillin similar to oxacillin and it has activity against gram-positive/negative aerobic and anaerobic bacteria.

TunR2 is an antibiotic and derivative of tunicamycin .1It is active againstB. subtilis(MIC = 0.3 μg/ml) and increases the efficacy of the β-lactam antibiotics oxacillin , methicillin , and penicillin G againstB. subtiliswhen used at a concentration of 0.4 μg/ml. Unlike tunicamycin, TunR2 is non-toxic toS. cerevisiae(MIC = >10 μg/ml) and does not inhibit glycosylation in a protein N-glycosylation assay. TunR2 also has reduced antiproliferative activity against MDA-MB-231 and CHO cells compared with tunicamycin. 1.Price, N.P., Hartman, T.M., Li, J., et al.Modified tunicamycins with reduced eukaryotic toxicity that enhance the antibacterial activity of β-lactamsJ. Antibiot. (Tokyo)70(11)1070-1077(2017)

Clavicoronic acid is a β-lactam drug that functions as a mechanism-based β-lactamase inhibitor. While not effective by itself as an antibiotic, when combined with penicillin-group antibiotics, it can overcome antibiotic resistance in bacteria that secrete β-lactamase, which otherwise inactivates most penicillins.

Azidocillin, a semi-synthetic Penicillin and orally active β-lactam antibiotic, features an azide functionality and maintains on-target antibacterial activity. It is utilized in studying osteitis resulting from dental surgery, otitis media, enterococcal septicemia, and various bacterial infections [1] [2] [3].

ANT3310 is an inhibitor of broad-spectrum covalent Serine β-Lactamase with IC50s ranging from 1 nM to 175 nM for AmpC, CTX-M-15, TEM-1, OXA-48, OXA-23, and KPC-2. ANT3310 can be used in studies about bacterial infection.

Clavulanate lithium (Clavulanic acid lithium) is an inhibitor of β-lactamase.

Dicloxacillin Sodium hydrate is a narrow-spectrum β-Lactam antibiotic of the penicillin class, used to treat infections caused by susceptible Gram-positive bacteria.

Sulfazecin is a β-Lactam antibiotic.

Amoxicillin Sodium (Clavulanate) is a moderate- spectrum, bacteriolytic, β-lactam antibiotic.

TunR1 is an antibiotic and derivative of tunicamycin .1It is active againstB. subtilis(MIC = 0.3 μg/ml) and increases the efficacy of the β-lactam antibiotics oxacillin , methicillin , and penicillin G againstB. subtiliswhen used at a concentration of 0.4 μg/ml. TunR1 (5 μg/ml) is cytotoxic to MDA-MB-231 breast cancer cells and non-cancerous CHO cells. Unlike tunicamycin, TunR1 does not inhibit glycosylation in a protein N-glycosylation assay. 1.Price, N.P., Hartman, T.M., Li, J., et al.Modified tunicamycins with reduced eukaryotic toxicity that enhance the antibacterial activity of β-lactamsJ. Antibiot. (Tokyo)70(11)1070-1077(2017)

Aztreonam (SQ-26,776) is a monocyclic beta-lactam antibiotic originally isolated from Chromobacterium violaceum with bactericidal activity.

Methicillin sodium salt is the sodium salt form of methicillin, a semisynthetic beta-lactam penicillin antibiotic with beta-lactamase resistant activity.

Dicloxacillin (INN), a narrow-spectrum β-Lactam antibiotic of the penicillin class, is used against beta-lactamase-producing organisms such as Staphylococcus aureus, which would otherwise be resistant to most penicillins.

Ceftazidime (GR20263) is a beta-lactam, cephalosporin antibiotic with bactericidal activity.

Sulbactam (CP45899) is a semi-synthetic beta-lactamase inhibitor. The beta-lactam ring of sulbactam irreversibly binds to beta-lactamase at or near its active site, thereby blocking enzyme activity and preventing metabolism of other beta-lactam antibiotics by the enzyme. Combining this agent with a beta-lactamase susceptible antibiotic, such as penicillins or a cephalosporin, to treat infections caused by beta-lactamase producing organisms, results in a decreased turnover rate of the beta-lactamase sensitive antibiotic and enhances its antibacterial activity.

Ceftibuten dihydrate (Sch-39720 dihydrate) is the dihydrate form of ceftibuten, and is a third-generation cephalosporin with antibacterial activity.

O-Benzylhydroxylamine is a building block.1,2It has been used in the synthesis of β-lactam inhibitor precursors and fluoroquinolone derivatives with antibiotic activity. 1.Bellettini, J.R., and Miller, M.J.A short synthesis of an important precursor to a new class of bicyclic β-lactamase inhibitorsTetrahedron Lett.38(2)167-168(1997) 2.Asadipour, A., Moshafi, M.H., Khosravani, L., et al.N-substituted piperazinyl sarafloxacin derivatives: synthesis and in vitro antibacterial evaluationDaru.26(2)199-207(2018)

Cefalonium hydrate is a first-generation β-lactam cephalosporin antibiotic commonly employed in the study of bovine mastitis induced by Gram-positive bacteria, particularly staphylococci. It demonstrates significant effectiveness in this research area.

Clavulanic Acid(RX-10100), a major beta-lactam antibiotic produced by the organism Streptomyces claveris, is a potent bacterial beta-lactamase inhibitor used in the study of infections caused by bacteria. Clavulanic Acid has a broad spectrum of biological activity and is active against a wide variety of Gram-positive and Gram-negative bacteria.

Cefoselis Sulfate is a widely used beta-lactam antibiotic.

Cefaloglycin (Cephaloglycin), an orally active, nephrotoxic β-lactam cephalosporin antibiotic, exhibits antibacterial activity primarily against Gram-Positive cocci, excluding enterococci. It impairs mitochondrial substrate uptake and respiration, underscoring its toxicity [1] [2] [3].

Ceftolozane, also known as FR-264,205 and CXA-101; is an antibiotic drug from the cephalosporin family, approved for the treatment of infections with gram-negative bacteria, or gram-positive bacteria. Ceftolozane is of great benefit due to its ability to target bacteria that have become resistant to conventional antibiotics. Ceftolozane is combined with the β-lactamase inhibitor tazobactam, as multi-drug resistant bacterial infections will generally show resistance to all β-lactam antibiotics unless this enzyme is inhibited. .

Razupenem ( SMP-601, PTZ601) is a broad-spectrum injectable antibiotic derived from the carbapenem subgroup of β-lactam antibiotics. It has been developed as an alternative drug against bacteria that have developed antibiotic resistance to commonly used a

Ampicillin-d5 is a deuterated compound of Ampicillin. Ampicillin has a CAS number of 69-53-4. Ampicillin is a broad-spectrum, semi-synthetic, beta-lactam penicillin antibiotic with bactericidal activity.

Cephalothin is a beta-lactam antibiotic, inhibits class C β-lactamase AmpC (Ki: 0.32 μM).

Methicillin sodium hydrate, a narrow-spectrum β-lactam antibiotic, inhibits penicillin-binding proteins (PBPs), targeting Staphylococcus aureus and Staphylococcus epidermidis resistant to other penicillins. It is utilized in researching skin infections, osteomyelitis, and endocarditis [1].

Mezlocillin Sodium (Baycipen) is a penicillin beta-lactam antibiotic used in the treatment of bacterial infections caused by susceptible, usually gram-positive, organisms.

Sulbactam-d2 is a deuterated compound of Sulbactam. Sulbactam has a CAS number of 68373-14-8. Sulbactam is a semi-synthetic beta-lactamase inhibitor. The beta-lactam ring of sulbactam irreversibly binds to beta-lactamase at or near its active site, thereby blocking enzyme activity and preventing metabolism of other beta-lactam antibiotics by the enzyme. Combining this agent with a beta-lactamase susceptible antibiotic, such as penicillins or a cephalosporin, to treat infections caused by beta-lactamase producing organisms, results in a decreased turnover rate of the beta-lactamase sensitive antibiotic and enhances its antibacterial activity.