DK307682A - Fremgangsmaade til fremstilling af 3,5-dialkylpyridiner - Google Patents
Fremgangsmaade til fremstilling af 3,5-dialkylpyridiner Download PDFInfo
- Publication number
- DK307682A DK307682A DK307682A DK307682A DK307682A DK 307682 A DK307682 A DK 307682A DK 307682 A DK307682 A DK 307682A DK 307682 A DK307682 A DK 307682A DK 307682 A DK307682 A DK 307682A
- Authority
- DK
- Denmark
- Prior art keywords
- formaldehyde
- procedure
- preparation
- aldehyde
- acetal
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- RQMWVVBHJMUJNZ-UHFFFAOYSA-N 4-chloropyridin-2-amine Chemical compound NC1=CC(Cl)=CC=N1 RQMWVVBHJMUJNZ-UHFFFAOYSA-N 0.000 title 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 abstract 2
- -1 formaldehyde acetal Chemical class 0.000 abstract 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 abstract 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 150000001450 anions Chemical class 0.000 abstract 1
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 238000010494 dissociation reaction Methods 0.000 abstract 1
- 230000005593 dissociations Effects 0.000 abstract 1
- 239000004312 hexamethylene tetramine Substances 0.000 abstract 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 229960004011 methenamine Drugs 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
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
- C07D213/08—Preparation by ring-closure
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH4504/81A CH656879A5 (de) | 1981-07-09 | 1981-07-09 | Verfahren zur herstellung von 3,5-dialkylpyridinen. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK307682A true DK307682A (da) | 1983-01-10 |
Family
ID=4277344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK307682A DK307682A (da) | 1981-07-09 | 1982-07-08 | Fremgangsmaade til fremstilling af 3,5-dialkylpyridiner |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4429131A (da) |
| EP (1) | EP0070012B1 (da) |
| AT (1) | ATE30321T1 (da) |
| CH (1) | CH656879A5 (da) |
| DE (1) | DE3277503D1 (da) |
| DK (1) | DK307682A (da) |
| IE (1) | IE53300B1 (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5708176A (en) * | 1996-10-03 | 1998-01-13 | E. I. Du Pont De Nemours And Company | Preparation of 3,5-lutidene |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1208569A (en) * | 1967-01-04 | 1970-10-14 | Ici Ltd | Process for the production of pyridines |
| DE2045885A1 (en) * | 1970-09-17 | 1972-03-23 | Farbenfabriken Bayer Ag, 5090 Leverkusen | 3,5-dialkylpyridine prdon - from formaldehyde pre condesnates higher aldehydes |
| DE2045884A1 (de) * | 1970-09-17 | 1972-03-23 | Farbenfabriken Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von 3.5-Dialkylpyridinen aus alpha-alkylsubst. Acroleinen |
| ATE5719T1 (de) * | 1980-05-23 | 1984-01-15 | Lonza Ag | Verfahren zur herstellung von 3-picolin. |
-
1981
- 1981-07-09 CH CH4504/81A patent/CH656879A5/de not_active IP Right Cessation
-
1982
- 1982-06-22 IE IE1482/82A patent/IE53300B1/en unknown
- 1982-07-07 US US06/396,102 patent/US4429131A/en not_active Expired - Fee Related
- 1982-07-08 DK DK307682A patent/DK307682A/da not_active Application Discontinuation
- 1982-07-09 AT AT82106171T patent/ATE30321T1/de not_active IP Right Cessation
- 1982-07-09 EP EP82106171A patent/EP0070012B1/de not_active Expired
- 1982-07-09 DE DE8282106171T patent/DE3277503D1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0070012B1 (de) | 1987-10-21 |
| IE53300B1 (en) | 1988-10-12 |
| EP0070012A3 (en) | 1984-03-28 |
| ATE30321T1 (de) | 1987-11-15 |
| US4429131A (en) | 1984-01-31 |
| DE3277503D1 (en) | 1987-11-26 |
| CH656879A5 (de) | 1986-07-31 |
| IE821482L (en) | 1983-01-09 |
| EP0070012A2 (de) | 1983-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHS | Application shelved for other reasons than non-payment |