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3. Penicillins and cephalosporins. Br Med J; 1968 Jun; 2(5604):542-5. PubMed ID: 4972857 [No Abstract] [Full Text] [Related]
4. Effects of beta-lactamase from gram-negative organisms on cephalosporins and penicillins. O'Callaghan CH; Muggleton PW; Ross GW Antimicrob Agents Chemother (Bethesda); 1968; 8():57-63. PubMed ID: 5195741 [No Abstract] [Full Text] [Related]
5. Enzymic behaviour of the cephalosporins. Abraham EP; Sabath LD Enzymologia; 1965 Nov; 29(3):221-32. PubMed ID: 4956893 [No Abstract] [Full Text] [Related]
6. CNDO-2 study of the antibacterial activity of penicillins and cephalosporins. Topp WC; Christensen BG J Med Chem; 1974 Mar; 17(3):342-7. PubMed ID: 4811232 [No Abstract] [Full Text] [Related]
7. Functionalization of penicillins at carbon 6 via N-acylimines. 6-Hydroxypenicillin. Substituted penicillins and cephalosporins. 8. Firestone RA; Christensen BG J Org Chem; 1973 Apr; 38(7):1436-7. PubMed ID: 4694237 [No Abstract] [Full Text] [Related]
8. Transformations of penicillins: new methods of formation and reactions of 6,6-disubstituted penams and 7,7-disubstituted cephems. Bremner DH; Campbell MM; Johnson G J Chem Soc Perkin 1; 1976; (18):1918-24. PubMed ID: 988051 [No Abstract] [Full Text] [Related]
9. Synthetic studies related to nuclear analogues of the penicillins and cephalosporins. Lowe G; Ramsay MV J Chem Soc Perkin 1; 1973; 5():479-84. PubMed ID: 4807588 [No Abstract] [Full Text] [Related]
10. The interaction of penicillinase with penicillins. VI. Comparison of free and antibody-bound enzyme. Zyk N; Citri N Biochim Biophys Acta; 1968 Jun; 159(2):317-26. PubMed ID: 4968656 [No Abstract] [Full Text] [Related]
11. The interaction of penicillinase with penicillins. VII. Effect of specific antibodies on conformative response. Zyk N; Citri N Biochim Biophys Acta; 1968 Jun; 159(2):327-39. PubMed ID: 4968657 [No Abstract] [Full Text] [Related]
12. Electronic structures of cephalosporins and penicillins. 2. Disulfide and beta-lactam chromophores. Structure-activity relationships. Boyd DB J Med Chem; 1973 Nov; 16(11):1195-9. PubMed ID: 4747962 [No Abstract] [Full Text] [Related]
13. Susceptibility of the "penicillinase-resistant" penicillins and cephalosporins to penicillinase of Staphylococcus aureus. Lacey RW; Stokes A J Clin Pathol; 1977 Jan; 30(1):35-9. PubMed ID: 838869 [TBL] [Abstract][Full Text] [Related]
14. [Penicillin-inactivating enzyme, beta-lactamase, with special reference to the active sites, the role of the existence and the molecular evolution (author's transl)]. Ogawara H Tanpakushitsu Kakusan Koso; 1975 Nov; 20(13):1214-27. PubMed ID: 1108117 [No Abstract] [Full Text] [Related]
15. Effect of 6-alpha substitution in penicillins and 7-beta substitution in cephalosporins upon beta-lactam reactivity. Indelicato JM; Wilham WL J Med Chem; 1974 May; 17(5):528-9. PubMed ID: 4830255 [No Abstract] [Full Text] [Related]
16. PURIFICATION AND PROPERTIES OF PENICILLINASES FROM TWO STRAINS OF BACILLUS LICHENIFORMIS: A CHEMICAL, PHYSICOCHEMICAL AND PHYSIOLOGICAL COMPARISON. POLLOCK MR Biochem J; 1965 Mar; 94(3):666-75. PubMed ID: 14340057 [TBL] [Abstract][Full Text] [Related]
17. CEPHALOSPORANIC ACIDS. I. INFRARED ABSORPTION AND PROTON MAGNETIC RESONANCE SPECTRA OF CEPHALOSPORIN AND PENICILLIN ANALOGUES. GREEN GF; PAGE JE; STANIFORTH SE J Chem Soc; 1965 Mar; ():1595-605. PubMed ID: 14288320 [No Abstract] [Full Text] [Related]
18. Substituent effects upon the base hydrolysis of penicillins and cephalosporins. Competitive intramolecular nucleophilic amino attack in cephalosporins. Indelicato JM; Norvilas TT; Pfeiffer RR; Wheeler WJ; Wilham WL J Med Chem; 1974 May; 17(5):523-7. PubMed ID: 4830254 [No Abstract] [Full Text] [Related]
19. Comparative activity of bacterial beta-lactamases on penicillins and cephalosporins. Jackson GG; Lolans VT; Gallegos BG J Infect Dis; 1973 Oct; 128():Suppl:S327-3. PubMed ID: 4200652 [No Abstract] [Full Text] [Related]
20. Chemical transformations of penicillins and cephalosporins. Mechanism and stereochemistry of the interconversions of penam and cepham systems. Kukolja S; Lammert SR; Gleissner MR; Ellis AI J Am Chem Soc; 1975 May; 97(11):3192-8. PubMed ID: 1133345 [No Abstract] [Full Text] [Related] [Next] [New Search]