3,7-DISUBSTITUTED-3-CEPHEM COMPOUND AND PRODUCTION THEREOF

申请公布号：JPS6236387(A)

申请号：JP19860183899

申请日期：1986.08.04

申请公布日期：1987.02.17

申请人：

FUJISAWA PHARMACEUT CO LTD

发明人：TAKATANI TAKAO;INAMOTO YOSHIKO

分类号：C07D501/20;A61K31/545;A61K31/546;A61P31/04;C07D;C07D417/14;C07D501/36

主分类号：C07D501/20

摘要：<p>NEW MATERIAL:A compound shown by the formula I [R<1> is (protected) amino; R<2> is (protected) carboxy; R<3> is H or hydroxy-protecting group] and its salt. EXAMPLE:7-[( 2-Amonothiazol-4-yl )-2-hydroxyiminoacetamido]-3-(1,2,4-thidiazol-5-yl) thiomethyl-3-cephem-4-carboxylic acid benzhydryl ester (syn isomer). USE:A preventive and remedy for microbism. PREPARATION:A compound shown by the formula II or a reactive derivative at the amino group or its salt is reacted with a compound shown by the formula III or its reactive derivative at the carboxyl group or its salt.</p>

SPRAYING METHOD AND SPRAY GUN

SPECIMEN SLIDE FOR OCCULT BLOOD TESTING AND TEST KIT FOR OCCULT BLOOD IN GASTRIC FLUID

PRODUCTION OF ULTRA-LOW PHOSPHORUS STEEL

PRINTING PRESS CONTROL DEVICE

VIBRATION ABOSRBING ELEMENT

HYPOCHLORITE EMULSIN DECONTAMINATE COMPOSITION

HOLDING BRACKET

WORK HARDENABLE AUSTENITIC MANGANESE STEEL

APPARATUS FOR DE-FINNING METAL CASTINGS

PERFORATED BUILDING PANEL FOR STUCCO

TEACHING AID

PROCEDIMIENTO PARA LA FLOCULACION DE PARTICULAS MICROSCOPICAS SUSPENDIDAS EN UN LIQUIDO.

PERFECCIONAMIENTOS EN LOS CARBURADORES PARA MOTORES DE COMBUSTION INTERNA.

PERFECCIONAMIENTOS EN LAS JUNTAS HOMOCINETICAS DESTINADAS A UNIR DOS ARBOLES.

PROCEDIMIENTO Y DISPOSITIVO PARA LA CLASIFICACION Y DESCARGA CONTINUA Y REGULADA SIMULTANEA, DE MATERIAL PARTICULADO DE REACTORES DE LECHO FLUIDIFICADO.

HORNO DESTINADO A LA INCINERACION DE BASURAS.

PERFECCIONAMIENTOS EN UN DISPOSITIVO PARA LA TOMA DE MUESTRAS DE UNA ZAFRA DE PRODUCTO A GRANEL.

SISTEMA DE TRANSMISION PARA VEHICULOS.

PERFECCIONAMIENTOS EN UN DISPOSITIVO DE SUJECION DE COLUMNAS CROMATOGRAFICAS.

PROCEDIMIENTO DE PREPARACION DE NUEVOS DERIVADOS ESTEROIDES SUSTITUIDOS EN 11B.