首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Process for the preparation of 3-aminopyridines from 3-nitropyridines
摘要
The invention relates to a process for the preparation of 3-aminopyridines from 3-nitropyridines, in which the nitropyridines are reduced electrochemically in an acid solution.
申请公布号
DE4333697(A1)
申请公布日期
1995.04.06
申请号
DE19934333697
申请日期
1993.10.02
申请人
MERCK PATENT GMBH, 64293 DARMSTADT, DE
发明人
FECHTEL, ULRICH, DR., 64372 OBER-RAMSTADT, DE;WEMBACHER, KARLHEINZ, 64319 PFUNGSTADT, DE;BOKEL, HEINZ-HERMANN, DR., 64997 DARMSTADT, DE
分类号
C07D213/64;C07D213/70;C07D213/73;C07D213/74;C07D213/84;C07D471/04;C07D471/14;C07D498/04;C07D513/04;C25B3/04;C25B3/06;C25B13/04;(IPC1-7):C07D213/73
主分类号
C07D213/64
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD OF PCR TESTING OF POOLED BLOOD SAMPLES
DISK CARTRIDGE
ERROR CORRECTION DECODER FOR VOCODING SYSTEM
RF CIRCUIT MODULE
Nucleic Acid and Amino Acid Sequences Relating to Helicobacter pylori and Vaccine Compositions thereof
8-[3.2.1]- 8-[3.2.1]-6-- 9-[3.3.1]- 9-[3.3.1]- 9--3-[3.3.1] 8-AZABICYCLO[3.2.1]OCTANE- 8-AZABICYCLO[3.2.1]OCT-6-ENE- 9-AZABICYCLO[3.3.1]NONANE- 9-AZA-3-OXABICYCLO[3.3.1]NONANE- AND 9-ANZ-3THIABICYCLO[3.3.1]NONANE DERIVATIVES THEIR PREPARATION AND THEIR USE AS INSECTICIDES
HYDRODYNAMIC RETARDER WITH AXIALLY DISPLACEABLE ROTOR
FLUID FEEDING APPARATUS
OPERATING MECHANISMS FOR VALVES
A Fluid Flow Distributor
HIGH DENSITY ELECTRICAL CONNECTORS
SEAT BELT AND BELT ADAPTOR FOR SMALL PASSENGER AUTO SEAT
A method and apparatus for audio representation of speech that has been encoded according to the LPC principle through adding noise to constituent signals therein
PRODUCING IRON FROM SOLID IRON CARBIDE
METHOD OF MANUFACTURING THIN PLATE MAGNET HAVING MICROCRYSTALLINE STRUCTRUE
SEALABLE FILM
Method for producing a valve seat body for a fuel injection valve and corresponding fuel injection valve
METHOD FOR MINIMIZING THE ACCESS TIME FOR SEMICONDUCTOR MEMORIES
- METHOD FOR PRODUCING CERAMIC-METAL COMPOSITE BODIES CERAMIC-METAL COMPOSITE BODIES AND THEIR USE
SCREEN EDITOR
