ATE146459T1 - Verfahren zur herstellung von 2-methyl-3,5- dialkylpyridinen durch dealkylierung mit schwefel - Google Patents

Verfahren zur herstellung von 2-methyl-3,5- dialkylpyridinen durch dealkylierung mit schwefel

Info

Publication number
ATE146459T1
ATE146459T1 AT91915443T AT91915443T ATE146459T1 AT E146459 T1 ATE146459 T1 AT E146459T1 AT 91915443 T AT91915443 T AT 91915443T AT 91915443 T AT91915443 T AT 91915443T AT E146459 T1 ATE146459 T1 AT E146459T1
Authority
AT
Austria
Prior art keywords
sulfur
dialkylpyridines
dealkylation
methyl
producing
Prior art date
Application number
AT91915443T
Other languages
English (en)
Inventor
Gerald L Goe
Original Assignee
Reilly Ind Inc
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 Reilly Ind Inc filed Critical Reilly Ind Inc
Application granted granted Critical
Publication of ATE146459T1 publication Critical patent/ATE146459T1/de

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
    • C07D213/06—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 containing only hydrogen and carbon atoms in addition to the ring nitrogen atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
AT91915443T 1990-08-10 1991-08-07 Verfahren zur herstellung von 2-methyl-3,5- dialkylpyridinen durch dealkylierung mit schwefel ATE146459T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/565,957 US5061805A (en) 1990-08-10 1990-08-10 Process for preparing 2-methyl-3,5-dialkylpyridines by dealkylation with sulfur

Publications (1)

Publication Number Publication Date
ATE146459T1 true ATE146459T1 (de) 1997-01-15

Family

ID=24260824

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91915443T ATE146459T1 (de) 1990-08-10 1991-08-07 Verfahren zur herstellung von 2-methyl-3,5- dialkylpyridinen durch dealkylierung mit schwefel

Country Status (6)

Country Link
US (1) US5061805A (de)
EP (1) EP0547092B1 (de)
JP (1) JPH05509328A (de)
AT (1) ATE146459T1 (de)
DE (1) DE69123742T2 (de)
WO (1) WO1992002506A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6437139B1 (en) 1997-05-06 2002-08-20 Pdi-Research Laboratories, Inc. Synthesis of pharmaceutically useful pyridine derivatives
CA2204580A1 (en) * 1997-05-06 1998-11-06 Michel Zoghbi Synthesis of pharmaceutically useful pyridine derivatives
CN103030592A (zh) * 2012-12-11 2013-04-10 安徽国星生物化学有限公司 2，3，5-三甲基吡啶的水洗提纯方法
CN103030591B (zh) * 2012-12-11 2014-08-06 安徽国星生物化学有限公司 2，3，5-三甲基吡啶的吸附提纯方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6514395A (de) * 1964-11-11 1966-05-12
SE7804231L (sv) * 1978-04-14 1979-10-15 Haessle Ab Magsyrasekretionsmedel
JPS6124569A (ja) * 1984-07-13 1986-02-03 Koei Chem Co Ltd ２，３，５−コリジン及び／又は２，３，５，６−テトラメチルピリジンの製造法

Also Published As

Publication number Publication date
DE69123742T2 (de) 1997-04-03
US5061805A (en) 1991-10-29
DE69123742D1 (de) 1997-01-30
EP0547092B1 (de) 1996-12-18
EP0547092A1 (de) 1993-06-23
JPH05509328A (ja) 1993-12-22
WO1992002506A1 (en) 1992-02-20

Similar Documents

Publication Publication Date Title
DE60124692D1 (de) Verfahren zur herstellung von optisch-aktiven sulfoxid-derivaten
ATE154016T1 (de) Verfahren zur herstellung von chlorothiazolderivaten
ATE3712T1 (de) Verfahren zur herstellung von acylcyaniden.
DE69327567T2 (de) Verfahren zur Herstellung von Alanylglutamin
ATE116635T1 (de) Herstellungsverfahren von aromatischen karbonatverbindungen.
DE69026851T2 (de) Verfahren zur Erhöhung von Chemilumineszenz
ATE127809T1 (de) Verfahren zur herstellung von verbindungen zur behandlung der gutartigen prostatahypertrophie.
ATE164584T1 (de) Trialkylzinn-verbindungen mit höheren alkylgruppen und deren verwendung
ATE217869T1 (de) Verfahren zur herstellung von fluoralkenylthio heterozyclische derivate
ATE146459T1 (de) Verfahren zur herstellung von 2-methyl-3,5- dialkylpyridinen durch dealkylierung mit schwefel
DE69516156D1 (de) Verfahren zur herstellung von alkoxyimino acetamid-derivaten
DE69103966D1 (de) Verfahren zur Herstellung von Beta-Carotin und für dieses Verfahren verwendbare Zwischenprodukte.
DE3852506D1 (de) Verfahren zur Herstellung von Halogensulfonyl-substituierten Pyridinen.
ATE188209T1 (de) Verfahren zur herstellung von isothiocyanat- derivaten
KR840008647A (ko) 대칭 1,4-디하이드로피리딘디카복실 에스테르의 제조방법
ATE18208T1 (de) N-(4-hydroxyphenyl)essigsaeureamid-estern aus 5benzoyl-1-methylpyrrol-2-essigsaeure.
DE69127960T2 (de) Verfahren zur Herstellung von (S)-vinyl- und (S)-allenyl-Gaba
ATE116288T1 (de) Verfahren zur herstellung von sulfonylisocyanaten.
ATE177737T1 (de) Verfahren zur herstellung von 5-arylhydantoin
DE69223016T2 (de) Verfahren und Zwischenprodukte für die Herstellung von 6-Fluorbenzisothiazolen
ATE59375T1 (de) Verfahren zur herstellung von polyenaldehyden.
ATE92481T1 (de) Verfahren zur herstellung von n,n'-bis-(2hydroxyethyl)-piperazin.
ATE260264T1 (de) Verfahren zur herstellung von oxazol-derivaten
KR880005099A (ko) 퀴나졸리논 유도체의 제조방법
DE60001615T2 (de) Verfahren zur Herstellung von trisubstituierten Oxazolen

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee