RO82087B - Procedeu pentru prepararea 3-picolinei - Google Patents
Procedeu pentru prepararea 3-picolineiInfo
- Publication number
- RO82087B RO82087B RO104387A RO10438781A RO82087B RO 82087 B RO82087 B RO 82087B RO 104387 A RO104387 A RO 104387A RO 10438781 A RO10438781 A RO 10438781A RO 82087 B RO82087 B RO 82087B
- Authority
- RO
- Romania
- Prior art keywords
- picoline
- preparation
- mol
- acetaldehyde
- possibly
- Prior art date
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
- C07D213/08—Preparation by ring-closure
-
- 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
- C07D213/09—Preparation by ring-closure involving the use of ammonia, amines, amine salts, or nitriles
- C07D213/10—Preparation by ring-closure involving the use of ammonia, amines, amine salts, or nitriles from acetaldehyde or cyclic polymers thereof
-
- 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
- C07D213/09—Preparation by ring-closure involving the use of ammonia, amines, amine salts, or nitriles
- C07D213/12—Preparation by ring-closure involving the use of ammonia, amines, amine salts, or nitriles from unsaturated compounds
Abstract
Inventia se refera la un procedeu pentru prepararea 3-picolinei, constînd din aceea ca la o solutie apoasa în concentratie de 3,37...3,41 mol/mol a unei sari de amoniu si acetatul de amoniu, încalzita într-un recipient închis la 220...230 degree C se adauga un amestec de acetaldehida în raport molar de 1:0,7 pîna la 1:0,9, eventual în prezenta de aldehida crotonica.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH405280 | 1980-05-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
RO82087B true RO82087B (ro) | 1983-06-30 |
RO82087A RO82087A (ro) | 1983-07-07 |
Family
ID=4268913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO81104387A RO82087A (ro) | 1980-05-23 | 1981-05-23 | Procedeu pentru prepararea 3-picolinei |
Country Status (27)
Country | Link |
---|---|
US (1) | US4337342A (ro) |
EP (1) | EP0040698B1 (ro) |
JP (1) | JPS5718665A (ro) |
AR (1) | AR225813A1 (ro) |
AT (1) | ATE5719T1 (ro) |
AU (1) | AU540026B2 (ro) |
BR (1) | BR8103204A (ro) |
CA (1) | CA1128520A (ro) |
CS (1) | CS221832B2 (ro) |
DD (1) | DD159070A5 (ro) |
DE (1) | DE3161757D1 (ro) |
DK (1) | DK226881A (ro) |
ES (1) | ES501909A0 (ro) |
FI (1) | FI811546L (ro) |
GR (1) | GR81533B (ro) |
HU (1) | HU183450B (ro) |
IE (1) | IE51244B1 (ro) |
IL (1) | IL62856A (ro) |
IN (1) | IN153294B (ro) |
MX (1) | MX156300A (ro) |
NO (1) | NO157652C (ro) |
PL (1) | PL127978B1 (ro) |
RO (1) | RO82087A (ro) |
SU (1) | SU1095876A3 (ro) |
TR (1) | TR21358A (ro) |
YU (1) | YU42569B (ro) |
ZA (1) | ZA813382B (ro) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI814007L (fi) * | 1981-01-09 | 1982-07-10 | Lonza Ag | Foerfarande foer framstaellning av 3-pikolin |
CH656879A5 (de) * | 1981-07-09 | 1986-07-31 | Lonza Ag | Verfahren zur herstellung von 3,5-dialkylpyridinen. |
CH660733A5 (de) * | 1981-09-29 | 1987-06-15 | Lonza Ag | Verfahren zur herstellung von 3-picolin. |
JPH03111749U (ro) * | 1990-02-28 | 1991-11-15 | ||
AU2012204141C1 (en) * | 2005-08-19 | 2015-10-22 | Houghton Technical Corp. | Methods and compositions for acid treatment of a metal surface |
CA2618915C (en) | 2005-08-19 | 2014-09-23 | Houghton Metal Finishing Company | Methods and compositions for acid treatment of a metal surface |
EP2277864A1 (de) * | 2009-06-24 | 2011-01-26 | Lonza Ltd. | Syntheseprozess für 3-Methylpyridin |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2769007A (en) * | 1956-10-30 | Manufacture of a pyridine homologue | ||
GB534494A (en) * | 1939-10-06 | 1941-03-07 | Distillers Co Yeast Ltd | Improvements in or relating to the manufacture of heterocyclic bases |
GB971174A (en) * | 1961-08-31 | 1964-09-30 | Distillers Co Yeast Ltd | Production of pyridine |
GB1182705A (en) * | 1966-09-21 | 1970-03-04 | Lummus Co | Improvements in or relating to the Vapour Phase Production of Pyridine of Alkyl Pyridines |
GB1208569A (en) * | 1967-01-04 | 1970-10-14 | Ici Ltd | Process for the production of pyridines |
GB1188891A (en) * | 1968-01-27 | 1970-04-22 | Bp Chem Int Ltd | Picolines |
US3846435A (en) * | 1972-07-21 | 1974-11-05 | Merck & Co Inc | Process for the production of 2-methyl-5-ethyl pyridine |
-
1981
- 1981-04-24 AT AT81103114T patent/ATE5719T1/de not_active IP Right Cessation
- 1981-04-24 EP EP81103114A patent/EP0040698B1/de not_active Expired
- 1981-04-24 DE DE8181103114T patent/DE3161757D1/de not_active Expired
- 1981-05-06 ES ES501909A patent/ES501909A0/es active Granted
- 1981-05-08 IE IE1025/81A patent/IE51244B1/en not_active IP Right Cessation
- 1981-05-11 AU AU70449/81A patent/AU540026B2/en not_active Ceased
- 1981-05-12 IL IL62856A patent/IL62856A/xx unknown
- 1981-05-12 US US06/263,042 patent/US4337342A/en not_active Expired - Fee Related
- 1981-05-16 IN IN524/CAL/81A patent/IN153294B/en unknown
- 1981-05-19 FI FI811546A patent/FI811546L/fi not_active Application Discontinuation
- 1981-05-20 DD DD81230129A patent/DD159070A5/de not_active IP Right Cessation
- 1981-05-20 ZA ZA00813382A patent/ZA813382B/xx unknown
- 1981-05-20 GR GR65013A patent/GR81533B/el unknown
- 1981-05-21 YU YU1308/81A patent/YU42569B/xx unknown
- 1981-05-21 CA CA377,996A patent/CA1128520A/en not_active Expired
- 1981-05-21 HU HU811482A patent/HU183450B/hu unknown
- 1981-05-22 MX MX187446A patent/MX156300A/es unknown
- 1981-05-22 AR AR285419A patent/AR225813A1/es active
- 1981-05-22 TR TR21358A patent/TR21358A/xx unknown
- 1981-05-22 JP JP7762881A patent/JPS5718665A/ja active Granted
- 1981-05-22 DK DK226881A patent/DK226881A/da not_active Application Discontinuation
- 1981-05-22 SU SU813285560A patent/SU1095876A3/ru active
- 1981-05-22 PL PL1981231300A patent/PL127978B1/pl unknown
- 1981-05-22 CS CS813818A patent/CS221832B2/cs unknown
- 1981-05-22 BR BR8103204A patent/BR8103204A/pt unknown
- 1981-05-22 NO NO811751A patent/NO157652C/no unknown
- 1981-05-23 RO RO81104387A patent/RO82087A/ro unknown
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