JPS5630929A - Production of styrene or benzen nucleus-substituted styrene - Google Patents

Production of styrene or benzen nucleus-substituted styrene

Info

Publication number
JPS5630929A
JPS5630929A JP10681079A JP10681079A JPS5630929A JP S5630929 A JPS5630929 A JP S5630929A JP 10681079 A JP10681079 A JP 10681079A JP 10681079 A JP10681079 A JP 10681079A JP S5630929 A JPS5630929 A JP S5630929A
Authority
JP
Japan
Prior art keywords
acid
styrene
organic sulfonic
diarylethane
catalyst
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
JP10681079A
Other languages
Japanese (ja)
Inventor
Tamio Shirafuji
Toyomitsu Shimizu
Masazou Betsupu
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP10681079A priority Critical patent/JPS5630929A/en
Publication of JPS5630929A publication Critical patent/JPS5630929A/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

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

Abstract

PURPOSE: 1,1-Diarylethane is thermally decomposed in gas phase in the presence of a catalyst of inoganic acid or organic sulfonic acid to produce the titled compound in high yield, which is used as a starting material for various kinds of plastics and for fine chemicals such as agricultural chemicals.
CONSTITUTION: The thermal decomposition of 1,1-diarylethane of formula I (R1W6 are H, methyl) such as 1,1-ditolylethane in the presence of a catalyst of inorganic acid or organic sulfonic acid is effected in vapor phase under normal pressure or elevated pressure, preferably at 400W600°C at a space velocity of the reaction gas of 1,000W2,000hr-1 to produce styrene or benzene nucleus-substituted styrene. The inorganic acid or organic sulfonic acid is, e.g., phosphoric acid such as orthophosphoric acid, sulfuric acid, hydrochloric acid, p-toluenesulfonic acid and the amount is 0.01W100, preferably 0.05W10 times the molar quantity of the compound of formula I.
COPYRIGHT: (C)1981,JPO&Japio
JP10681079A 1979-08-21 1979-08-21 Production of styrene or benzen nucleus-substituted styrene Pending JPS5630929A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10681079A JPS5630929A (en) 1979-08-21 1979-08-21 Production of styrene or benzen nucleus-substituted styrene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10681079A JPS5630929A (en) 1979-08-21 1979-08-21 Production of styrene or benzen nucleus-substituted styrene

Publications (1)

Publication Number Publication Date
JPS5630929A true JPS5630929A (en) 1981-03-28

Family

ID=14443192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10681079A Pending JPS5630929A (en) 1979-08-21 1979-08-21 Production of styrene or benzen nucleus-substituted styrene

Country Status (1)

Country Link
JP (1) JPS5630929A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6124527A (en) * 1984-07-14 1986-02-03 Nippon Petrochem Co Ltd P-isobutylstyrene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6124527A (en) * 1984-07-14 1986-02-03 Nippon Petrochem Co Ltd P-isobutylstyrene

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