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2. Chemistry of the dihydrothiazine ring moiety of cephalosporins. 1. Regiospecificity and stereoselectivity in the bromine addition to 2-cephem derivatives. A new route to 2-methoxy cephalosporins. Balsamo A; Crotti P; Macchia B; Macchia F; Nannini G; Dradi E; Forgione A J Org Chem; 1976 Jun; 41(12):2150-3. PubMed ID: 932853 [No Abstract] [Full Text] [Related]
3. [Conversion of penicillins into cephalosporins]. Heusler K Helv Chim Acta; 1972 Mar; 55(2):388-408. PubMed ID: 4336807 [No Abstract] [Full Text] [Related]
4. A new class of semisynthetic penicillins and cephalosporins derived from D-2-(1,4-cyclohexadienyl)glycine. Dolfini JE; Applegate HE; Bach G; Basch H; Bernstein J; Schwartz J; Weisenborn FL J Med Chem; 1971 Feb; 14(2):117-9. PubMed ID: 5544394 [No Abstract] [Full Text] [Related]
5. Semisynthetic cephalosporins. II. Structure-activity studies in 7-acylaminocephalosporanic acids derived from dicarboxylic acids. Lewis A; Sassiver ML; Shepherd RG Antimicrob Agents Chemother (Bethesda); 1968; 8():109-14. PubMed ID: 5735355 [No Abstract] [Full Text] [Related]
6. Semisynthetic cephalosporins. I. Structure-activity studies in 7-acylaminocephalosporanic acids derived from monocarboxylic acids. Sassiver ML; Lewis A; Shepherd RG Antimicrob Agents Chemother (Bethesda); 1968; 8():101-8. PubMed ID: 5735354 [No Abstract] [Full Text] [Related]
7. [Advances in the field of producing semisynthetic cephalosporins]. Povarov LS Antibiotiki; 1979 May; 24(5):376-93. PubMed ID: 375829 [No Abstract] [Full Text] [Related]
8. Semisynthetic penicillins and cephalosporins. Diaconu E; Grăunte X; Dumitrescu S; Nechifor M; Hoişie S; Lupuşoru C Rev Med Chir Soc Med Nat Iasi; 1988; 92(2):359-60. PubMed ID: 3187246 [No Abstract] [Full Text] [Related]
9. Synthesis and reactions of 7-hydrazonocephalosporanates. Sheehan JC; Lo YS; Ponzi DR J Org Chem; 1977 Mar; 42(6):1012-5. PubMed ID: 839315 [No Abstract] [Full Text] [Related]
10. Synthesis and biological activities of some 7-(1,2,4-oxadiazolylacetylamino) cephalosporins. Malabarba A; Cavalleri B; Berti M; Arioli V Farmaco Sci; 1977 Sep; 32(9):650-64. PubMed ID: 902760 [TBL] [Abstract][Full Text] [Related]
11. Synthetic studies on 1-carbacephem antibiotics: new synthetic approach to 3H-carbacephems. Mochida K; Hirata T Chem Pharm Bull (Tokyo); 1988 Sep; 36(9):3642-5. PubMed ID: 3240553 [No Abstract] [Full Text] [Related]
13. One-step, high yield conversion of penicillin sulfoxides to deacetoxycephalosporins. Koning JJ; Kooreman HJ; Tan HS; Verwij J J Org Chem; 1975 May; 40(9):1346-7. PubMed ID: 1133644 [No Abstract] [Full Text] [Related]
14. [New beta-lactam antibiotics. Functionalisation of 3-hydroxy-3-cephem-4-carboxylic esters through the Wittig reaction (author's transl)]. Scartazzini R Helv Chim Acta; 1977; 60(5):1510-21. PubMed ID: 893122 [No Abstract] [Full Text] [Related]
15. Letter: A rearrangement of penicillin sulfoxides to 3-methylenecephams via sulfinyl intermediates. Kukolja S; Lammert SR; Gleissner MR; Ellis AI J Am Chem Soc; 1976 Aug; 98(16):5040-1. PubMed ID: 950428 [No Abstract] [Full Text] [Related]
16. [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]
17. Enzymic and chemical transformations of the side chain of cephalosporin C. Mazzeo P; Romeo A J Chem Soc Perkin 1; 1972; 20():2532. PubMed ID: 4405023 [No Abstract] [Full Text] [Related]
18. Aldol condensations of regiospecific penicillanate and cephalosporanate enolates. Hydroxyethylation at C-6 and C-7. DiNinno F; Beattie TR; Christensen BG J Org Chem; 1977 Sep; 42(18):2960-5. PubMed ID: 894389 [No Abstract] [Full Text] [Related]