GB534494A - Improvements in or relating to the manufacture of heterocyclic bases - Google Patents

Improvements in or relating to the manufacture of heterocyclic bases

Info

Publication number
GB534494A
GB534494A GB2735539A GB2735539A GB534494A GB 534494 A GB534494 A GB 534494A GB 2735539 A GB2735539 A GB 2735539A GB 2735539 A GB2735539 A GB 2735539A GB 534494 A GB534494 A GB 534494A
Authority
GB
United Kingdom
Prior art keywords
reaction
reactants
reaction zone
heterocyclic bases
paraldehyde
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
Application number
GB2735539A
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.)
Distillers Co Yeast Ltd
Distillers Co Ltd
Original Assignee
Distillers Co Yeast Ltd
Distillers Co Ltd
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 Distillers Co Yeast Ltd, Distillers Co Ltd filed Critical Distillers Co Yeast Ltd
Priority to GB2735539A priority Critical patent/GB534494A/en
Publication of GB534494A publication Critical patent/GB534494A/en
Expired 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
    • 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

Abstract

534,494. Heterocyclic bases. DISTILLERS CO., Ltd., STANLEY, H. M., and YOUELL, J. E. Oct. 6, 1939, No. 27355. [Class 2 (iii)] A process for the continuous production of heterocyclic bases containing nitrogen in the ring consists in reacting in the liquid phase, at temperatures between 180‹ and 250‹C., aliphatic aldehydes and ammonia or aliphatic amines, which are mixed together in or near to the reaction zone, whereby long contact between the reactants while their temperature is below reaction temperature is avoided. The reactants are preferably supplied to the reaction zone in the form of pre-heated liquid streams which are mixed together in or near the reaction zone, and the reaction is carried out in a pressure coil immersed in a liquid bath maintained at the reaction temperature. A small quantity of an emulsifying agent, e.g. oleic acid, is preferably added to one of the reactants. Suitable aldehydes for the reaction are acetaldehyde, crotonaldehyde, butyraldehyde and simple polymers of these, e.g. paraldehyde. Methylamine is specified as an amine. In examples, pyridine bases(chiefly 2-methyl-5-ethylpyridine) are obtained by reacting paraldehyde with aqueous ammonia. Specifications 146,869, 147,000, 147,101, 332,623 and 334,193, [all in Class 2 (iii)], are referred to.
GB2735539A 1939-10-06 1939-10-06 Improvements in or relating to the manufacture of heterocyclic bases Expired GB534494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2735539A GB534494A (en) 1939-10-06 1939-10-06 Improvements in or relating to the manufacture of heterocyclic bases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2735539A GB534494A (en) 1939-10-06 1939-10-06 Improvements in or relating to the manufacture of heterocyclic bases

Publications (1)

Publication Number Publication Date
GB534494A true GB534494A (en) 1941-03-07

Family

ID=10258257

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2735539A Expired GB534494A (en) 1939-10-06 1939-10-06 Improvements in or relating to the manufacture of heterocyclic bases

Country Status (1)

Country Link
GB (1) GB534494A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523580A (en) * 1944-12-11 1950-09-26 Phillips Petroleum Co Production of alkyl pyridines
US2605264A (en) * 1944-02-25 1952-07-29 Shell Dev Process for the production of pyridines
DE897408C (en) * 1950-11-12 1953-11-19 Degussa Process for the production of tanning agents from ª ‡, ª ‰ -unsaturated aldehydes and nitrogen compounds
US2700042A (en) * 1952-08-30 1955-01-18 Robert S Aries Production of pyridine and beta picoline
US2717897A (en) * 1951-03-28 1955-09-13 Union Carbide & Carbon Corp Process for making substituted pyridines
US2766287A (en) * 1949-10-31 1956-10-09 Ruhrchemie Ag Production of nitrogenous aldehyde condensation products
US2844583A (en) * 1952-10-20 1958-07-22 Celanese Corp Production of 2-methyl-5-ethylpyridine
US2934537A (en) * 1954-02-12 1960-04-26 Francis E Cislak Process of preparing pyridine and 3-picoline
US4337342A (en) * 1980-05-23 1982-06-29 Lonza Ltd. Process for the preparation of 3-picoline

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605264A (en) * 1944-02-25 1952-07-29 Shell Dev Process for the production of pyridines
US2523580A (en) * 1944-12-11 1950-09-26 Phillips Petroleum Co Production of alkyl pyridines
US2766287A (en) * 1949-10-31 1956-10-09 Ruhrchemie Ag Production of nitrogenous aldehyde condensation products
DE897408C (en) * 1950-11-12 1953-11-19 Degussa Process for the production of tanning agents from ª ‡, ª ‰ -unsaturated aldehydes and nitrogen compounds
US2717897A (en) * 1951-03-28 1955-09-13 Union Carbide & Carbon Corp Process for making substituted pyridines
US2700042A (en) * 1952-08-30 1955-01-18 Robert S Aries Production of pyridine and beta picoline
US2844583A (en) * 1952-10-20 1958-07-22 Celanese Corp Production of 2-methyl-5-ethylpyridine
US2934537A (en) * 1954-02-12 1960-04-26 Francis E Cislak Process of preparing pyridine and 3-picoline
US4337342A (en) * 1980-05-23 1982-06-29 Lonza Ltd. Process for the preparation of 3-picoline

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