首页 > 专利信息

Process for the production of Cephalosporines and Intermediates in this process

申请公布号:KR100286422(B1)

申请号:KR19990053237

申请日期:1999.11.27

申请公布日期:2001.03.15

申请人:
null, null;null, null

发明人:루데셔요하네스;스투름휴베르트;비저요제프

分类号:C07D501/04;C07D501/00;C07D501/06;C07D501/16;C07D501/18;C07D501/24;C07F7/10

主分类号:C07D501/04

摘要:<p>본 발명은 신규한 중간체 화합물을 사용하여, 화학식 1의 3'-치환된 7-아미노-3-프로페닐-4-세펨-카복실산 유도체 및 이의 산 부가염을 제조하는 신규하고 경제적이며 간단한 방법에 관한 것이다: 화학식 1 상기식에서, R은 수소, 음전하 또는 실릴 보호 그룹이고, R는 수소 또는 메톡시이며, R은 수소 또는 실릴 보호 그룹이고, X는 친핵성 라디칼이다.</p>

专利推荐

MANUFACTURE OF STEEL PLATE CELL

CONTINUOUS CASTING METHOD

HIGH-FREQUENCY SPOT WELDING MACHINE

DESCALING METHOD FOR HOT WORKING OF METALLIC MATERIAL

ROLLING MILL

COMPOSITE MEMBRANE FOR GAS SEPARATION

INCOMING TRANSFER SYSTEM

BINDING METHOD OF OBJECTS

VOLTAGE CONTROL CIRCUIT OF VOLTAGE CONTROLLED OSCILLATOR

COMPLEMENTARY TYPE MIS SEMICONDUCTOR DEVICE

MANUFACTURE OF SEMICONDUCTOR DEVICE

MANUFACTURE OF JUNCTION TYPE FIELD EFFECT SEMICONDUCTOR DEVICE

GAS LASER OSCILLATION TUBE

MANUFACTURE OF SUBSTRATE FOR SEMICONDUCTOR DEVICE

MANUFACTURE OF NONREFLECTION-TYPE CATHODE-RAY TUBE

MUSIC PLAY NUMBER DISPLAY DEVICE OF RECORD PLAYER

MAGNETIC HEAD HOLDING DEVICE

MANUFACTURE OF THIN-FILM COIL

SEMICONDUCTOR LASER

FLOPPY DISK DEVICE