DE69123742D1 - 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
DE69123742D1
DE69123742D1 DE69123742T DE69123742T DE69123742D1 DE 69123742 D1 DE69123742 D1 DE 69123742D1 DE 69123742 T DE69123742 T DE 69123742T DE 69123742 T DE69123742 T DE 69123742T DE 69123742 D1 DE69123742 D1 DE 69123742D1
Authority
DE
Germany
Prior art keywords
sulfur
dialkylpyridine
dealkylation
methyl
producing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69123742T
Other languages
English (en)
Other versions
DE69123742T2 (de
Inventor
Gerald Goe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vertellus Specialties Inc
Original Assignee
Reilly Industries 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 Industries Inc filed Critical Reilly Industries Inc
Application granted granted Critical
Publication of DE69123742D1 publication Critical patent/DE69123742D1/de
Publication of DE69123742T2 publication Critical patent/DE69123742T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69123742T 1990-08-10 1991-08-07 Verfahren zur herstellung von 2-methyl-3,5-dialkylpyridinen durch dealkylierung mit schwefel Expired - Fee Related DE69123742T2 (de)

Applications Claiming Priority (2)

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
PCT/US1991/005603 WO1992002506A1 (en) 1990-08-10 1991-08-07 Process for preparing 2-methyl-3,5-dialkylpyridines by dealkylation with sulfur

Publications (2)

Publication Number Publication Date
DE69123742D1 true DE69123742D1 (de) 1997-01-30
DE69123742T2 DE69123742T2 (de) 1997-04-03

Family

ID=24260824

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69123742T Expired - Fee Related DE69123742T2 (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
CA2204580A1 (en) * 1997-05-06 1998-11-06 Michel Zoghbi Synthesis of pharmaceutically useful pyridine derivatives
US6437139B1 (en) 1997-05-06 2002-08-20 Pdi-Research Laboratories, Inc. Synthesis of pharmaceutically useful pyridine derivatives
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
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

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
US5061805A (en) 1991-10-29
EP0547092B1 (de) 1996-12-18
DE69123742T2 (de) 1997-04-03
ATE146459T1 (de) 1997-01-15
EP0547092A1 (de) 1993-06-23
JPH05509328A (ja) 1993-12-22
WO1992002506A1 (en) 1992-02-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee