CS259887B2 - Method of 2-amino-3-nitro-6(fluorobenzylamino)pyridine production - Google Patents

Method of 2-amino-3-nitro-6(fluorobenzylamino)pyridine production Download PDF

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Publication number
CS259887B2
CS259887B2 CS861986A CS198686A CS259887B2 CS 259887 B2 CS259887 B2 CS 259887B2 CS 861986 A CS861986 A CS 861986A CS 198686 A CS198686 A CS 198686A CS 259887 B2 CS259887 B2 CS 259887B2
Authority
CS
Czechoslovakia
Prior art keywords
amino
nitro
fluorobenzylamino
pyridine
water
Prior art date
Application number
CS861986A
Other languages
Czech (cs)
English (en)
Other versions
CS198686A2 (en
Inventor
Winifried Orth
Jurgen Engel
Perer Emig
Gerhard Scheffler
Hans Pohle
Original Assignee
Degussa
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
Application filed by Degussa filed Critical Degussa
Publication of CS198686A2 publication Critical patent/CS198686A2/cs
Publication of CS259887B2 publication Critical patent/CS259887B2/cs

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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
    • C07D213/74—Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
    • 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
    • C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CS861986A 1985-03-23 1986-03-21 Method of 2-amino-3-nitro-6(fluorobenzylamino)pyridine production CS259887B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3510623 1985-03-23

Publications (2)

Publication Number Publication Date
CS198686A2 CS198686A2 (en) 1988-03-15
CS259887B2 true CS259887B2 (en) 1988-11-15

Family

ID=6266157

Family Applications (1)

Application Number Title Priority Date Filing Date
CS861986A CS259887B2 (en) 1985-03-23 1986-03-21 Method of 2-amino-3-nitro-6(fluorobenzylamino)pyridine production

Country Status (24)

Country Link
US (1) US4785110A (tr)
EP (1) EP0199951B1 (tr)
JP (1) JPS61221172A (tr)
KR (1) KR860007214A (tr)
AT (1) ATE60322T1 (tr)
AU (1) AU579922B2 (tr)
BR (1) BR8601283A (tr)
CA (1) CA1273343A (tr)
CS (1) CS259887B2 (tr)
DD (1) DD246761A5 (tr)
DE (1) DE3677042D1 (tr)
DK (1) DK162215C (tr)
ES (1) ES8702893A1 (tr)
FI (1) FI84819C (tr)
GR (1) GR860745B (tr)
HU (1) HU206679B (tr)
IE (1) IE58560B1 (tr)
IL (1) IL78218A (tr)
NO (1) NO860825L (tr)
PL (1) PL146631B1 (tr)
PT (1) PT82235B (tr)
TR (1) TR22924A (tr)
YU (1) YU45086A (tr)
ZA (1) ZA862138B (tr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI855016A (fi) * 1985-06-28 1986-12-29 Degussa Synergistisk kombination av flupirtin och 4-acetamido-fenol.
DE4327516A1 (de) * 1993-08-17 1995-02-23 Asta Medica Ag Primäre und sekundäre neuroprotektive Wirkung bei neurodegenerativen Erkrankungen von Flupirtin
WO2004069802A1 (ja) * 2003-02-06 2004-08-19 Shionogi & Co., Ltd. ２－アミノ－３－置換ピリジンの製造方法
US20080279930A1 (en) * 2007-05-07 2008-11-13 Bernd Terhaag Controlled-Release Flupirtine Compositions, Compacts, Kits and Methods of Making and Use Thereof
EP2206699A1 (en) 2008-12-24 2010-07-14 AWD.pharma GmbH & Co.KG Crystalline form of flupirtine ((2-amino-6-(4-fluoro-benzylamino)-pyridin-3-yl)-carbamic acid ethyl ester)
EP2206700A1 (en) 2008-12-24 2010-07-14 AWD.pharma GmbH & Co.KG Crystalline form of flupirtine ((2-amino-6-(4-fluoro-benzylamino)-pyridin-3-yl)-carbamic acid ethyl ester)
EP2206701A1 (en) 2008-12-24 2010-07-14 AWD.pharma GmbH & Co.KG Crystalline form of flupirtine ((2-amino-6-(4-fluoro-benzylamino)-pyridin-3-yl)-carbamic acid ethyl ester)
DE102009023162B4 (de) * 2009-05-29 2011-07-07 Corden PharmaChem GmbH, 68305 Verfahren zur Herstellung von Flupirtin
CN102140077A (zh) * 2010-01-28 2011-08-03 范扶民 氟吡汀a晶型及其制备方法
WO2013080215A1 (en) 2011-11-30 2013-06-06 Arch Pharmalabs Limited An improved process for the preparation of flupirtine and pharmaceutically acceptable salts thereof
CN104083335B (zh) * 2013-07-31 2015-11-11 成都苑东药业有限公司 一种马来酸氟吡汀胶囊组合物及其制备方法
DE102017007385A1 (de) 2017-08-02 2019-02-07 Christoph Hoock Maleatfreie feste Arzneimittelformen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE764362R (en) * 1966-05-12 1971-09-16 Degussa Subst amino pyridienes production
DE1670523A1 (de) * 1966-05-12 1970-12-03 Degussa Verfahren zur Herstellung neuer substituierter Aminopyridine
US4481205A (en) * 1980-09-13 1984-11-06 Degussa Aktiengesellschaft 2-Amino-3-carbethoxyamino-6-(p-fluoro-benzylamino)-pyridine-maleate
DE3369315D1 (en) * 1982-10-27 1987-02-26 Degussa Derivatives of 2-amino-3-acylamino-6-benzylamino pyridine with an anti-epileptic activity

Also Published As

Publication number Publication date
PL146631B1 (en) 1989-02-28
DK162215C (da) 1992-03-16
AU5499786A (en) 1986-09-25
DK126886D0 (da) 1986-03-19
FI861183A0 (fi) 1986-03-20
ES553222A0 (es) 1987-01-16
EP0199951A3 (en) 1987-10-14
DD246761A5 (de) 1987-06-17
EP0199951B1 (de) 1991-01-23
EP0199951A2 (de) 1986-11-05
FI84819B (fi) 1991-10-15
IE860746L (en) 1986-09-23
CA1273343A (en) 1990-08-28
FI84819C (fi) 1992-01-27
IL78218A0 (en) 1986-07-31
DK126886A (da) 1986-09-24
HUT40418A (en) 1986-12-28
DE3677042D1 (de) 1991-02-28
ES8702893A1 (es) 1987-01-16
GR860745B (en) 1986-07-21
ZA862138B (en) 1986-11-26
NO860825L (no) 1986-09-24
IE58560B1 (en) 1993-10-06
BR8601283A (pt) 1986-12-02
YU45086A (en) 1988-02-29
KR860007214A (ko) 1986-10-08
ATE60322T1 (de) 1991-02-15
JPS61221172A (ja) 1986-10-01
PT82235B (pt) 1988-07-29
IL78218A (en) 1989-12-15
PT82235A (de) 1986-04-01
FI861183A (fi) 1986-09-24
CS198686A2 (en) 1988-03-15
DK162215B (da) 1991-09-30
AU579922B2 (en) 1988-12-15
TR22924A (tr) 1988-11-24
HU206679B (en) 1992-12-28
US4785110A (en) 1988-11-15
JPH0146510B2 (tr) 1989-10-09

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