RU94035669A - Method for production of 3-aminopyridines - Google Patents

Method for production of 3-aminopyridines

Info

Publication number
RU94035669A
RU94035669A RU94035669/04A RU94035669A RU94035669A RU 94035669 A RU94035669 A RU 94035669A RU 94035669/04 A RU94035669/04 A RU 94035669/04A RU 94035669 A RU94035669 A RU 94035669A RU 94035669 A RU94035669 A RU 94035669A
Authority
RU
Russia
Prior art keywords
aminopyridines
production
nitropyridines
reduction
substance
Prior art date
Application number
RU94035669/04A
Other languages
Russian (ru)
Inventor
Фехтель Ульрих
De]
Вембахер Карлхайнц
Бокель Хайнц-Херманн
Original Assignee
Мерк Патент ГмбХ (DE)
Мерк Патент Гмбх
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE4333697A external-priority patent/DE4333697A1/en
Application filed by Мерк Патент ГмбХ (DE), Мерк Патент Гмбх filed Critical Мерк Патент ГмбХ (DE)
Publication of RU94035669A publication Critical patent/RU94035669A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/72—Nitrogen atoms
    • C07D213/73—Unsubstituted amino or imino radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
    • C07D471/14—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)

Abstract

FIELD: organic chemistry. SUBSTANCE: method is carried out by electrochemical reduction of 3-nitropyridines. Said reduction takes place in acid solution. EFFECT: improves efficiency of the method.

Claims (1)

Изобретение относится к способу получения 3-аминопиридинов из 3-нитропиридинов, в котором нитропиридины электрохимически восстанавливают в кислом растворе.The invention relates to a method for producing 3-aminopyridines from 3-nitropyridines, in which nitropyridines are electrochemically reduced in an acidic solution.
RU94035669/04A 1993-10-02 1994-09-30 Method for production of 3-aminopyridines RU94035669A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4333697A DE4333697A1 (en) 1993-10-02 1993-10-02 Process for the preparation of 3-aminopyridines from 3-nitropyridines
DEP4333697.3 1993-10-02

Publications (1)

Publication Number Publication Date
RU94035669A true RU94035669A (en) 1996-07-20

Family

ID=48449202

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94035669/04A RU94035669A (en) 1993-10-02 1994-09-30 Method for production of 3-aminopyridines

Country Status (2)

Country Link
KR (1) KR950011411A (en)
RU (1) RU94035669A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2645922C2 (en) * 2016-06-29 2018-03-01 Федеральное государственное бюджетное образовательное учреждение высшего образования "Ярославский государственный университет им. П.Г. Демидова" Method for production of n1-[2-amino-4-(trifluoromethyl) phenyl]-n1-phenyl-4-(trifluoromethyl)-benzene-1,2-diamine and its derivatives

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2645922C2 (en) * 2016-06-29 2018-03-01 Федеральное государственное бюджетное образовательное учреждение высшего образования "Ярославский государственный университет им. П.Г. Демидова" Method for production of n1-[2-amino-4-(trifluoromethyl) phenyl]-n1-phenyl-4-(trifluoromethyl)-benzene-1,2-diamine and its derivatives

Also Published As

Publication number Publication date
KR950011411A (en) 1995-05-15

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