JPS51138641A - Pro cess for preparation of 2,3,5,6-tetrachloro terephthalic acid dichloride and 2,3,5,6-tetrachlorodimethyl terephthalate - Google Patents

Pro cess for preparation of 2,3,5,6-tetrachloro terephthalic acid dichloride and 2,3,5,6-tetrachlorodimethyl terephthalate

Info

Publication number
JPS51138641A
JPS51138641A JP50062470A JP6247075A JPS51138641A JP S51138641 A JPS51138641 A JP S51138641A JP 50062470 A JP50062470 A JP 50062470A JP 6247075 A JP6247075 A JP 6247075A JP S51138641 A JPS51138641 A JP S51138641A
Authority
JP
Japan
Prior art keywords
terephthalic acid
terephthalate
tetrachlorodimethyl
preparation
acid dichloride
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.)
Pending
Application number
JP50062470A
Other languages
Japanese (ja)
Inventor
Kazutoshi Funahashi
Yoichi Saito
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.)
Teijin Ltd
Original Assignee
Teijin 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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP50062470A priority Critical patent/JPS51138641A/en
Publication of JPS51138641A publication Critical patent/JPS51138641A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PURPOSE: Title compounds are prepared from terephthalic acid dichloride prepared by reacting 1, 4-bis (trichloromethyl) benzen with dimethyl terephthalate.
COPYRIGHT: (C)1976,JPO&Japio
JP50062470A 1975-05-27 1975-05-27 Pro cess for preparation of 2,3,5,6-tetrachloro terephthalic acid dichloride and 2,3,5,6-tetrachlorodimethyl terephthalate Pending JPS51138641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50062470A JPS51138641A (en) 1975-05-27 1975-05-27 Pro cess for preparation of 2,3,5,6-tetrachloro terephthalic acid dichloride and 2,3,5,6-tetrachlorodimethyl terephthalate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50062470A JPS51138641A (en) 1975-05-27 1975-05-27 Pro cess for preparation of 2,3,5,6-tetrachloro terephthalic acid dichloride and 2,3,5,6-tetrachlorodimethyl terephthalate

Publications (1)

Publication Number Publication Date
JPS51138641A true JPS51138641A (en) 1976-11-30

Family

ID=13201105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50062470A Pending JPS51138641A (en) 1975-05-27 1975-05-27 Pro cess for preparation of 2,3,5,6-tetrachloro terephthalic acid dichloride and 2,3,5,6-tetrachlorodimethyl terephthalate

Country Status (1)

Country Link
JP (1) JPS51138641A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220054295A (en) 2020-10-20 2022-05-02 가부시키가이샤 에스디에스 바이오텍크 Method for producing dimethyl 2,3,5,6-tetrachloro-1,4-benzenedicarboxylic acid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220054295A (en) 2020-10-20 2022-05-02 가부시키가이샤 에스디에스 바이오텍크 Method for producing dimethyl 2,3,5,6-tetrachloro-1,4-benzenedicarboxylic acid
US11512037B2 (en) 2020-10-20 2022-11-29 Sds Biotech K.K. Process for producing dimethyl 2,3,5,6-tetrachloro-1,4-benzenedicarboxylate

Similar Documents

Publication Publication Date Title
JPS5216558A (en) Resin composition
JPS5265259A (en) Synthesis of 16beta-alkylestradiol or its 17-esters
JPS5353636A (en) Preparatin of highly pure aromatic dicarboxylic acid dichloride
JPS51138641A (en) Pro cess for preparation of 2,3,5,6-tetrachloro terephthalic acid dichloride and 2,3,5,6-tetrachlorodimethyl terephthalate
JPS51136642A (en) Process for preparation of terephthalic acid
JPS52153947A (en) Dicyclododecyl peroxycarbonate
JPS5251311A (en) Process for preparation of saccharic acid esters
JPS5233624A (en) Preparation of leucylnitroagmatines
JPS5254084A (en) Manufacture of 2-gamma-glutamylamino-4-hexynic acid and/or 2-gamma-glutamylamino- 3-hydroxy-4-hexynic acid
JPS5314755A (en) Aromatic polyamide composition
JPS5268116A (en) Preparation of alkoxyalkylidene compounds
JPS5219635A (en) Process for esterification
JPS52153923A (en) Preparation of 2-amino-4-alkoxyphenols
JPS51127032A (en) Process for preparation of aromatic dicarboxylic acid dichlorides
JPS5219652A (en) Preparation of leucylagmatine compounds
JPS52122388A (en) Preparation of 7-amino-3-carbamoyloxymethyl-3-cephem-4-carboxylic acid derivatives
JPS5219654A (en) Preparation of ng-substituted-n2- substituted-alginamides and acid add ition salts thereof
JPS5283650A (en) Abietalinide derivatives
JPS52111509A (en) Preparation of unsaturated compounds
JPS51145593A (en) Preparation of aromatic polyester
JPS5271457A (en) Isolation of 1alpha-hydroxy-provitamie d compounds
JPS5271458A (en) Synthesis of 1alpha-acyloxyprovitamine d compounds
JPS51149233A (en) Process for preparaing 1,4-bis (2-hydroxyalkoxy)benzens
JPS52152424A (en) Preparation of 3-hydroxyquinophthalone-4-carboxylic acid
JPS5283343A (en) Synthesis of 3-chloro-4-allyloxyphenylpyrovic acid