CA2145468A1 - Process for producing an unsymmetrical diester of .alpha., .beta.-unsaturated dicarboxylic acid - Google Patents

Process for producing an unsymmetrical diester of .alpha., .beta.-unsaturated dicarboxylic acid

Info

Publication number
CA2145468A1
CA2145468A1 CA2145468A CA2145468A CA2145468A1 CA 2145468 A1 CA2145468 A1 CA 2145468A1 CA 2145468 A CA2145468 A CA 2145468A CA 2145468 A CA2145468 A CA 2145468A CA 2145468 A1 CA2145468 A1 CA 2145468A1
Authority
CA
Canada
Prior art keywords
producing
beta
alpha
dicarboxylic acid
unsaturated dicarboxylic
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.)
Granted
Application number
CA2145468A
Other languages
French (fr)
Other versions
CA2145468C (en
Inventor
Yoshimi Inden
Tadashi Yamauchi
Seiji Yamashita
Nami Ohgaya
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.)
Sanyo Chemical Industries Ltd
Original Assignee
Sanyo Chemical Industries 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 Sanyo Chemical Industries Ltd filed Critical Sanyo Chemical Industries Ltd
Priority to CA002145468A priority Critical patent/CA2145468C/en
Publication of CA2145468A1 publication Critical patent/CA2145468A1/en
Application granted granted Critical
Publication of CA2145468C publication Critical patent/CA2145468C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/62—Halogen-containing esters
    • C07C69/65—Halogen-containing esters of unsaturated acids
    • C07C69/657—Maleic acid esters; Fumaric acid esters; Halomaleic acid esters; Halofumaric acid esters

Landscapes

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

Abstract

A process for producing a colorless unsymmetrical diester of maleic acid, useful as a raw material of an emulsifier for emulsion polymerization and as a modifier for a polymer, which comprises:
(1) reacting maleic anhydride with a monohydric alcohol in the presence of an inert organic solvent, in a molar ratio of 1:(1.0-1.2) to obtain maleic acid mono ester containing substantially no unreacted maleic anhydride, and (2) reacting said monoester with an alkenyl halide in the presence of a tertiary amine and water, in a molar ratio of said monoester:water of 1:(0.01-0.20).
CA002145468A 1995-03-24 1995-03-24 Process for producing an unsymmetrical diester of .alpha., .beta.-unsaturated dicarboxylic acid Expired - Fee Related CA2145468C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002145468A CA2145468C (en) 1995-03-24 1995-03-24 Process for producing an unsymmetrical diester of .alpha., .beta.-unsaturated dicarboxylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002145468A CA2145468C (en) 1995-03-24 1995-03-24 Process for producing an unsymmetrical diester of .alpha., .beta.-unsaturated dicarboxylic acid

Publications (2)

Publication Number Publication Date
CA2145468A1 true CA2145468A1 (en) 1996-09-25
CA2145468C CA2145468C (en) 1998-07-07

Family

ID=4155504

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002145468A Expired - Fee Related CA2145468C (en) 1995-03-24 1995-03-24 Process for producing an unsymmetrical diester of .alpha., .beta.-unsaturated dicarboxylic acid

Country Status (1)

Country Link
CA (1) CA2145468C (en)

Also Published As

Publication number Publication date
CA2145468C (en) 1998-07-07

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