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Synthesis of cephalosporin lactones


, : Synthesis of cephalosporin lactones. Helvetica Chimica Acta 60(8): 2911-2925

Chemical procedures for the synthesis of cephalosporin-lactone antibiotics are delineated.

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Other references

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Friis M.L., 1983: Anti epileptic drugs and teratogenesis how should patients doctors and health authorities be counseled. Teratological problems of the individual antiepileptic drugs [phenytoin, phenobarbital, primidone, carbamazepine, valproic acid, oxazolidiones, tridione and paradione] are summarized and the role of a genetic association between epilepsy and conge...

Wissmer, R., 1952: Methylandrostenediol, an anabolic tissue factor. Methyl-androstenediol (25 mg./day) supplemented with a protein and vit. rich diet causes considerable wt. gain in patients with malnutrition due to various diseases.

Kuffer, C.; Kuznetsova, A.Yurievna.; Storchová, Z., 2014: Abnormal mitosis triggers p53-dependent cell cycle arrest in human tetraploid cells. Erroneously arising tetraploid mammalian cells are chromosomally instable and may facilitate cell transformation. An increasing body of evidence shows that the propagation of mammalian tetraploid cells is limited by a p53-dependent arrest. The tri...

Andrieu S.; Traore F.; Dujardin L.; Lacoste L., 1980: Leptosphaeria senegalensis optimum sexualization factors. Among various natural media incubated in the usual experimental conditions, the one that allowed sexual fructification of L. senegalensis was chosen. The optimal conditions of light, lighting time and incubation temperature were determined for thi...

Thabet, F.; Chehab, M.; Bafaqih, H.; A.M.haimeed, S., 2015: Middle East respiratory syndrome coronavirus in children. The Middle East respiratory syndrome (MERS) is a new human disease caused by a novel coronavirus (CoV). The disease is reported mainly in adults. Data in children are scarce. The disease caused by MERS-CoV in children presents with a wide range of...

Apltauerova, M.; Foral, A., 1966: An evaluation of a world collection of winter barley for resistance to lodging and length of growing period. On the whole, resistance to lodging was poor and few foreign varieties surpassed Stupicky Sestifady in this respect. The most resistant varieties were Breustedts Schladener, Brucker 3, Cenad 396, Gjagi 395 and the new Czech variety Lll. Nahicevand...

Evans, S.C.llins, K., 1982: Measuring farmers' response to the cotton acreage reduction program. To be eligible for 1982 program benefits, upland cotton producers must plant no more than 85 percent of the cotton base established for their farms. This article examines factors affecting participation in the acreage reduction program. Acreage a...

Sindelarova, Marie, 1992: Thermodynamic condition of maximum crop yield production in submontane and mountain areas of the Bohemian forest. Sbornik Jihoceska Univerzita Zemedelska Fakulta Ceske Budejovice Fytotechnicka Rada 9(2): 15-27

Lisawa, J.; Pietrasik, D.; Zwoliński, J.; Gierowska-Bogusz, B.; Lewandowski, L.; Chazan, B., 2004: Intraamniotic surfactant supply as RDS prevention. The importance of steroids given antenatally to the mothers in prevention of the respiratory distress syndrome (RDS) is unquestionable. Also intra tracheal surfactant application in newborn is proven method of prevention and treatment of RDS. Howe...