GB321177A - Improvements in the manufacture and production of nitrogenous condensation products from acetylene and ammonia - Google Patents
Improvements in the manufacture and production of nitrogenous condensation products from acetylene and ammoniaInfo
- Publication number
- GB321177A GB321177A GB2181328A GB2181328A GB321177A GB 321177 A GB321177 A GB 321177A GB 2181328 A GB2181328 A GB 2181328A GB 2181328 A GB2181328 A GB 2181328A GB 321177 A GB321177 A GB 321177A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acetylene
- ammonia
- hydrogen
- picoline
- mixing
- 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
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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
- Pyridine Compounds (AREA)
- Catalysts (AREA)
Abstract
321,177. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). July 27, 1928. Denaturing alcohol.-Pyridine bases such as picoline, butidine and collidine are produced by passing a mixture of acetylene and ammonia at raised temperature not above 350‹ C. over catalysts containing highly dispersed metallic lead, cadmium, bismuth or gold, which may be used with a highly porous carrier such as aluminium, zinc or silicon oxide. The catalysts may be made by mixing the porous carrier with a salt of one of the metals mentioned which on heating in a reducing atmosphere yields the metal or by mixing the oxide of the metal with, say, alumina or by precipitating the oxides together from, say, lead and zinc nitrates, the mixtures then being reduced, for instance by heating in hydrogen. In an example, silica gel impregnated with cadmium nitrate is reduced in hydrogen at 300‹ C., and acetylene and ammonia are passed over at 300- 350‹ C. yielding mainly picoline. The products are suitable for denaturing alcohol; or a fraction of the product such as that boiling between 100‹ and 150‹ C. may be so used; and an improved effect may be obtained by using an admixture of the product with a condensate obtained by passing a mixture of acetylene and hydrogen over iron pyrites at 350‹ C. Specification 295,276, [Class 2 (iii), Dyes &c.], is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2181328A GB321177A (en) | 1928-07-27 | 1928-07-27 | Improvements in the manufacture and production of nitrogenous condensation products from acetylene and ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2181328A GB321177A (en) | 1928-07-27 | 1928-07-27 | Improvements in the manufacture and production of nitrogenous condensation products from acetylene and ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB321177A true GB321177A (en) | 1929-10-28 |
Family
ID=10169237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2181328A Expired GB321177A (en) | 1928-07-27 | 1928-07-27 | Improvements in the manufacture and production of nitrogenous condensation products from acetylene and ammonia |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB321177A (en) |
-
1928
- 1928-07-27 GB GB2181328A patent/GB321177A/en not_active Expired
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