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26. Structural requirements for antibacterial activity and beta-lactamase stability of 7 beta-arylmalonylamino-7 alpha-methoxy-1-oxacephems. Yoshida T Philos Trans R Soc Lond B Biol Sci; 1980 May; 289(1036):231-7. PubMed ID: 6109319 [TBL] [Abstract][Full Text] [Related]
27. Electronic structures of cephalosporins and penicillins. 4. Modeling acylation by the beta-lactam ring. Boyd DB; Hermann RB; Presti DE; Marsh MM J Med Chem; 1975 Apr; 18(4):408-17. PubMed ID: 1121009 [TBL] [Abstract][Full Text] [Related]
28. [New derivatives of 7-amino cephalosporanic acid. Substitution of the acetory group through the aromatic part]. Peter H; Rodriguez H; Müller B; Sibral W; Bickel H Helv Chim Acta; 1974 Nov; 57(7):2024-43. PubMed ID: 4461706 [No Abstract] [Full Text] [Related]
29. Synthesis and in vitro activity of new cephalosporin derivatives containing a benzoxazolone ring. Kalcheva V; Mincheva Z; Andreeva P Arzneimittelforschung; 1990 Sep; 40(9):1030-4. PubMed ID: 2080938 [TBL] [Abstract][Full Text] [Related]
30. Semisynthetic cephalosporins. Synthesis and structure-activity relationships of 7-mandelamido-3-cephem-4-carboxylic acids. Hoover JR; Dunn GL; Jakas DR; Lam LL; Taggart JJ; Guarini JR; Phillips L J Med Chem; 1974 Jan; 17(1):34-41. PubMed ID: 4585974 [No Abstract] [Full Text] [Related]
31. Synthesis of new cephamycin derivatives and a novel rearrangement between isothiazolethioacetamides and 1,3-dithietanecarboxamides. Iwanami M; Maeda T; Fujimoto M; Nagano Y; Nagano N; Yamazaki A; Shibanuma T; Tamazawa K; Yano K Chem Pharm Bull (Tokyo); 1980 Sep; 28(9):2629-36. PubMed ID: 7460096 [No Abstract] [Full Text] [Related]
32. [Conversion of penicillins into cephalosporins]. Heusler K Helv Chim Acta; 1972 Mar; 55(2):388-408. PubMed ID: 4336807 [No Abstract] [Full Text] [Related]
33. OXIDATIVE DEGRADATION OF IMIDAZOLES BY BROMINE OR N-BROMOSUCCINIMIDE. SCHMIR GL; COHEN LA Biochemistry; 1965 Mar; 4():533-8. PubMed ID: 14311626 [No Abstract] [Full Text] [Related]
34. Oral absorption of cephalosporin antibiotics. 3. Synthesis and biological properties of 7 alpha-methoxy-7 beta-(arylacetamido)-3-chloro-3-cephem-4- carboxylic acids. Pfeil-Doyle J; Kukolja S J Med Chem; 1988 Oct; 31(10):1997-2000. PubMed ID: 3050090 [TBL] [Abstract][Full Text] [Related]
35. Chemistry of cephalosporin antibiotics. 22. Chemistry and biological activity of 3-alkoxymethyl cephalosporins. Webber JA; Huffman GW; Koehler RE; Murphy CF; Ryan CW; Van Heyningen EM; Vasileff RT J Med Chem; 1971 Feb; 14(2):113-6. PubMed ID: 5544393 [No Abstract] [Full Text] [Related]
36. [HALOGENATION OF NUCLEIC ACIDS. I. ACTION OF BROMINE ON BASES AND NUCLEOSIDES IN DIMETHYLFORMAMIDE MEDIUM]. DUVAL J; EBEL JP Bull Soc Chim Biol (Paris); 1964; 46():1059-71. PubMed ID: 14220115 [No Abstract] [Full Text] [Related]
37. Syntheses based on 1,2-secopenicillins. Part I. Oxidation. Brain EG; Eglington AJ; Nayler JH; Pearson MJ; Southgate R J Chem Soc Perkin 1; 1976; (4):447-51. PubMed ID: 942974 [No Abstract] [Full Text] [Related]
38. Semisynthetic beta-lactam antibiotics IX. Synthesis and antibacterial activity of 7-[2-(2-aminothiazol-4-yl)-2-sulfoacetamido]-cephalosporanic acid and its derivatives. Minami I; Akimoto H; Kondo M; Nomura H Chem Pharm Bull (Tokyo); 1983 Feb; 31(2):482-9. PubMed ID: 6883583 [No Abstract] [Full Text] [Related]
39. Letter: Beta-thionolactam analogs of cephalosporins and penicillins. Wojtkowski PW; Dolfini JE; Kocy O; Cimarusti CM J Am Chem Soc; 1975 Sep; 97(19):5628-30. PubMed ID: 1159241 [No Abstract] [Full Text] [Related]
40. Semisynthetic beta-lactam antibiotics. VI. Synthesis and antimicrobial activity of alpha-hydrazonobenzylcephalosporins. Monguzzi R; Pinza M; Pifferi G; Visconti M; Broccali G Farmaco Sci; 1985 Dec; 40(12):956-69. PubMed ID: 4092767 [TBL] [Abstract][Full Text] [Related] [Previous] [Next] [New Search]