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Patentes

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Número de publicaciónWO2005016936 A3
Tipo de publicaciónSolicitud
Número de solicitudPCT/IB2004/002648
Fecha de publicación11 Ago 2005
Fecha de presentación13 Ago 2004
Fecha de prioridad14 Ago 2003
También publicado comoEP1660505A2, WO2005016936A2
Número de publicaciónPCT/2004/2648, PCT/IB/2004/002648, PCT/IB/2004/02648, PCT/IB/4/002648, PCT/IB/4/02648, PCT/IB2004/002648, PCT/IB2004/02648, PCT/IB2004002648, PCT/IB200402648, PCT/IB4/002648, PCT/IB4/02648, PCT/IB4002648, PCT/IB402648, WO 2005/016936 A3, WO 2005016936 A3, WO 2005016936A3, WO-A3-2005016936, WO2005/016936A3, WO2005016936 A3, WO2005016936A3
InventoresYatendra Kumar, Ashok Prasad, Mohan Prasad, Santosh Richhariya, Kaptan Singh
SolicitanteYatendra Kumar, Ashok Prasad, Mohan Prasad, Ranbaxy Lab Ltd, Santosh Richhariya, Kaptan Singh
Exportar citaBiBTeX, EndNote, RefMan
Enlaces externos:  Patentscope, Espacenet
Process for selective preparation of z-isomer of cefditoren and pharmaceutically acceptable salts and esters thereof
WO 2005016936 A3
Resumen
The present invention relates to a selective process for preparation of Z-isomer of cefditoren of Formula I and pharmaceutically acceptable salts and esters thereof. cefditoren possesses a wide spectrum of antibacterial activity against Gram-positive and Gram-negative bacteria.
Citas de patentes
Patente citada Fecha de presentación Fecha de publicación Solicitante Título
WO2003091230A1 *10 Dic 20026 Nov 2003Orchid Chemicals & Pharmaceuticals LimitedProcess for the preparation of 4-methyl-thiazole-5-carbaldehyde intermediate
EP0597429A2 *8 Nov 199318 May 1994Biochemie Gesellschaft M.B.H.Process for the production of 3-vinylcephalosporins
EP0658558A1 *15 Nov 199421 Jun 1995Biochemie Gesellschaft M.B.H.Separation of cephalosporin isomers
EP0723965A1 *29 Sep 199431 Jul 1996Meiji Seika Kaisha Ltd.Novel cephalosporin derivative
EP1016665A1 *24 Jun 19985 Jul 2000Meiji Seika Kaisha, Ltd.Process for the selective preparation of z-isomers of 3-(2-substituted vinyl)cephalosporins
US4839350 *7 Abr 198713 Jun 1989Meiji Seika Kaisha, Ltd.Cephalosporin compounds and the production thereof
US4918068 *26 Feb 198717 Abr 1990Meiji Seika Kaisha, Ltd.Cephem compounds
US5233035 *27 Mar 19923 Ago 1993Yamanouchi Pharmaceutical Co., Ltd.Cephalosporin derivatives
US20020002279 *15 May 20013 Ene 2002Kiyoshi YasuiCrystalline substance of cefditoren pivoxyl and the production of the same
Otras citas
Referencia
1 *KENJI SAKAGAMI ET AL.: "Synthesis and Oral Activity of ME1207, a New Orally Active Cephalosporin" THE JOURNAL OF ANTIBIOTICS, vol. XLIII, no. 8, 1990, pages 1047-1050, XP009049100
2 *SAKAGAMI K ET AL: "SYNTHESIS AND ORAL ACTIVITY OF PIVALOYLOCYMETHYL7-[(Z)-2-(2-AMINOTHIA ZOL-4-YL)-2-METHOXYIMINOACETAMIDO]-3-(Z)-( 4-METHYLTHIAZOL-5-YL)VINYL- 3-CEPHEM-4-CARBOXYLATE (ME1207) AND ITS RELATED COMPOUND" CHEMICAL AND PHARMACEUTICAL BULLETIN, PHARMACEUTICAL SOCIETY OF JAPAN, TOKYO, JP, vol. 39, no. 9, September 1991 (1991-09), pages 2433-2436, XP009042230 ISSN: 0009-2363
Clasificaciones
Clasificación internacionalC07D501/00
Clasificación cooperativaC07D501/00
Clasificación europeaC07D501/00
Eventos legales
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