GB1341939A - Separation and recovery of constitutents in a reaction mixture containing aryl esters of aliphatic carboxylic acids - Google Patents

Separation and recovery of constitutents in a reaction mixture containing aryl esters of aliphatic carboxylic acids

Info

Publication number
GB1341939A
GB1341939A GB3880672A GB3880672A GB1341939A GB 1341939 A GB1341939 A GB 1341939A GB 3880672 A GB3880672 A GB 3880672A GB 3880672 A GB3880672 A GB 3880672A GB 1341939 A GB1341939 A GB 1341939A
Authority
GB
United Kingdom
Prior art keywords
reaction mixture
aliphatic carboxylic
separation
liquid
carboxylic acids
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
GB3880672A
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of GB1341939A publication Critical patent/GB1341939A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

1341939 Separating liquid reaction mixtures ASAHI KASEI KOGYO KK 21 Aug 1972 [21 Aug 1971 6 Sept 1971] 38806/72 Heading C2C A liquid reaction mixture derived from the production of aryl esters of aliphatic carboxylic acids formed by reacting an aromatic hydrocarbon with an aliphatic carboxylic acid and oxygen in the presence of nitric acid and a palladium catalyst is separated by (a) distilling the reaction mixture to separate unreacted starting materials and esters; (b) extracting the distillation residue with a liquid paraffinic hydrocarbon containing from 6 to 8 carbon atoms or a liquid cycloalkane or alkyl substituted cycloalkane containing a total of from 5 to 7 carbon atoms to extract the reaction product and leave the catalyst together with nitric acid as a residue process. Examples described include the separation of reaction mixtures formed in the production of phenyl acetate, tolyl acetate.
GB3880672A 1971-08-21 1972-08-21 Separation and recovery of constitutents in a reaction mixture containing aryl esters of aliphatic carboxylic acids Expired GB1341939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6385971A JPS5025462B2 (en) 1971-08-21 1971-08-21

Publications (1)

Publication Number Publication Date
GB1341939A true GB1341939A (en) 1973-12-25

Family

ID=13241465

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3880672A Expired GB1341939A (en) 1971-08-21 1972-08-21 Separation and recovery of constitutents in a reaction mixture containing aryl esters of aliphatic carboxylic acids

Country Status (2)

Country Link
JP (1) JPS5025462B2 (en)
GB (1) GB1341939A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62178443U (en) * 1986-04-30 1987-11-12

Also Published As

Publication number Publication date
JPS4829729A (en) 1973-04-19
JPS5025462B2 (en) 1975-08-23

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee