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GB981123A - Improved process for the preparation of nitriles - Google Patents

Improved process for the preparation of nitriles

Info

Publication number
GB981123A
GB981123A GB1462862A GB1462862A GB981123A GB 981123 A GB981123 A GB 981123A GB 1462862 A GB1462862 A GB 1462862A GB 1462862 A GB1462862 A GB 1462862A GB 981123 A GB981123 A GB 981123A
Authority
GB
United Kingdom
Prior art keywords
nitrile
temperature
amide
dehydration catalyst
nitriles
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
GB1462862A
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.)
ARMOUR CHEMICAL IND Ltd
Original Assignee
ARMOUR CHEMICAL IND 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 ARMOUR CHEMICAL IND Ltd filed Critical ARMOUR CHEMICAL IND Ltd
Publication of GB981123A publication Critical patent/GB981123A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/20—Preparation of carboxylic acid nitriles by dehydration of carboxylic acid amides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Fatty acid nitriles are prepared by reacting a feed stock consisting of fatty acids having at least 8 carbon atoms with ammonia in the presence of a dehydration catalyst to form the corresponding fatty acid amide which is subsequently reacted with additional ammonia in the presence of a dehydration catalyst to give the corresponding nitrile, each reaction being carried out in the liquid phase under super-atmospheric pressure, the amide being converted to the nitrile at a temperature of 280 DEG to 320 DEG C. The products from the second step may be subjected to treatment with additional ammonia in the presence of a dehydration catalyst at a pressure of 5-15 p.s.i.g. and a temperature of 300 DEG to 320 DEG C., the temperature and pressure conditions being such that the acid, the amide, the nitrile and all intermediate products are maintained in the liquid phase at all times. Preferred apparatus is described with reference to a drawing (not shown).
GB1462862A 1961-04-24 1962-04-16 Improved process for the preparation of nitriles Expired GB981123A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10495261A 1961-04-24 1961-04-24

Publications (1)

Publication Number Publication Date
GB981123A true GB981123A (en) 1965-01-20

Family

ID=22303307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1462862A Expired GB981123A (en) 1961-04-24 1962-04-16 Improved process for the preparation of nitriles

Country Status (4)

Country Link
DE (1) DE1263738B (en)
FR (1) FR1320500A (en)
GB (1) GB981123A (en)
SE (1) SE304986B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0895986A2 (en) * 1997-08-06 1999-02-10 Toray Industries, Inc. A process for producing a nitrile
EP2160451A1 (en) * 2007-05-25 2010-03-10 Rio Oeste, S.A. Biofuels containing nitrile moieties

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008017218B4 (en) * 2008-04-04 2011-09-22 Clariant International Ltd. Continuous process for the preparation of amides of lower aliphatic carboxylic acids

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB793020A (en) * 1955-01-13 1958-04-09 Goodrich Co B F Improvements in preparation of nitriles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0895986A2 (en) * 1997-08-06 1999-02-10 Toray Industries, Inc. A process for producing a nitrile
EP0895986A3 (en) * 1997-08-06 2001-08-29 Toray Industries, Inc. A process for producing a nitrile
EP2160451A1 (en) * 2007-05-25 2010-03-10 Rio Oeste, S.A. Biofuels containing nitrile moieties
EP2160451A4 (en) * 2007-05-25 2013-01-23 Rio Oeste S A Biofuels containing nitrile moieties
US8956425B2 (en) 2007-05-25 2015-02-17 Rio Oeste, S.A. Biofuels containing nitrile moieties

Also Published As

Publication number Publication date
SE304986B (en) 1968-10-14
FR1320500A (en) 1963-03-08
DE1263738B (en) 1968-03-21

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