1

2
Ohnishi Haruo, Kosuzume Hiroshi, Mizota Masahiro, Suzuki Yasuo, Mochida Ei: Cephalosporin derivatives, processes for producing the same and compositions containing them.. Mochida Pharm, August 7, 1985: EP0150507-A2 (29 worldwide citation)

Novel cephalosporin derivatives, processes for preparing thereof, compositions for preventing and/or treating infectious diseases which comprise the novel cephalosporin derivatives as active components, and the intermediate compounds in synthesis of cephalosporin derivative and processes for produci ...


3
Rudolf Lattrell, Reiner Kirrstetter, Wilfried Schwab, Walter Durckheimer, Gerhard Seibert: Cephalosporin derivatives. Hoechst Aktiengesellschaft, Finnegan Henderson Farabow Garrett & Dunner, March 3, 1987: US04647556 (28 worldwide citation)

The invention relates to cephem derivatives of the general formula I ##STR1## and their physiologically acceptable acid addition salts, to pharmaceutical formulations active against bacterial infections, to processes for preparing the compounds and formulations, and to the use of the compounds for c ...


4
Arnould Jean Claude, Jung Frederick Henri, Boucherot Dominique, Strawson Colin John, Davies David Huw: Cephalosporins, processes for their preparation and pharmaceutical compositions containing them.. Ici, Ici Pharma, February 22, 1989: EP0304158-A1 (28 worldwide citation)

Cephalosporin derivatives having a 3-position substituent of the formula I are described: wherein R is hydrogen, alkenyl or optionally substituted alkyl, Het is a 5- or 6-membered heterocyclic ring bonded via a carbon atom to the amide linkage, wherein Het is selected from a group of the formulae II ...


5
Mueller Beat Dr, Csendes Ivan Dr: Cephalosporin derivatives, process for their preparation, pharmaceutical compositions containing them and their use.. Ciba-Geigy, March 24, 1982: EP0047977-A2 (25 worldwide citation)

7ss-Aminothiadiazolylacetylamino-3-cephem-4-carboxylic acid compounds of the formula in which, in particular, Am denotes amino, T denotes a 1,2,4-thiadiazol radical, R1 denotes an optionally substituted pyrazolium group, an optionally substituted triazolium group, a tri-lower alkylammonium group or ...


6
Albrecht Harry Allen, Keith Dennis Dalton, Konzelmann Frederick Martin, Rossman Pamela Loreen, Wei Chung Chen, Weigele Manfred, Yang Roxana: Cephalosporin derivatives.. Hoffmann La Roche, October 4, 1989: EP0335297-A2 (25 worldwide citation)

Acyl derivatives of the general formula in which R denotes a substituted N-heterocycle of the formulae in which R represents one of the groups and Q represents a substituted quinolinyl or naphthyridinyl group, where the N-heterocycle can optionally be substituted by one or more lower alkyl groups; ; ...


7
Angehrn Peter, Wei Chung Chen: Cephalosporin derivatives.. Hoffmann La Roche, October 19, 1994: EP0620225-A1 (24 worldwide citation)

Cephalosporin derivatives of the general formula wherein R is an acyl group derived from a carboxylic acid; R is hydrogen, hydroxy, lower alkyl-Qm, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl-Qm, aryl-Qm, aryloxy, aralkoxy or a heterocyclic ring, the lower alkyl, cy ...


8
Nakagawa Susumu, Yamada Koji, Nakano Fumio, Otake Norikazu, Asai Akira, Kuroyanagi Satoru, Tanaka Yoshiharu, Ishikawa Moriaki, Ushijima Ryosuke, Mitomo Ryuji: Cephalosporin derivatives, processes for their preparation and antibacterial agents.. Banyu Pharma, October 21, 1987: EP0241901-A2 (24 worldwide citation)

l. A compound having the formula: wherein R is a straight chain or branched chain lower alkyl, cyclic lower alkyl, lower alkenyl (except for l-carboxy-l-vinyl), lower alkynyl, aralkyl, phenyl or 2-pyrrolidon-3-yl group which may be substituted, and Q is (wherein R is a hydrogen atom or an acetyl gro ...


9

10
Kiyoto Imae, Shimpei Aburaki, Yukio Narita, Jun Okumura, Takayuki Naito: Cephalosporin derivatives. Bristol Myers Company, Richard R Lloyd, February 19, 1985: US04500526 (23 worldwide citation)

Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen or a conventional amino-protecting group, R.sup.2 is one of various alkyl, alkenyl, alkynyl, cycloalkyl, carboxyalkyl or carboxycycloalkyl moieties described herein, and R.sup.5 is hydrogen, amino, carboxy, formyl, carbamoyl, guanidino, a ...



Click the thumbnails below to visualize the patent trend.