JPS5724323A - Preparation of antrhaquinone - Google Patents

Preparation of antrhaquinone

Info

Publication number
JPS5724323A
JPS5724323A JP9748080A JP9748080A JPS5724323A JP S5724323 A JPS5724323 A JP S5724323A JP 9748080 A JP9748080 A JP 9748080A JP 9748080 A JP9748080 A JP 9748080A JP S5724323 A JPS5724323 A JP S5724323A
Authority
JP
Japan
Prior art keywords
toluene
vanadium
reaction
penta
air
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
JP9748080A
Other languages
Japanese (ja)
Inventor
Tadamitsu Kiyoura
Yasuo Kogure
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP9748080A priority Critical patent/JPS5724323A/en
Publication of JPS5724323A publication Critical patent/JPS5724323A/en
Pending legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To obtain anthraquinone useful as an intermediate for dyes or an additive for preparing paper or pulp, by reacting inexpensive toluene as a starting material with a gas containing oxygen in the vapor phase in the presence of a catalyst containing vanadium directly in one stage.
CONSTITUTION: Toluene (or a mixture containing slight amounts of benzene and xylene may be usable) is reacted with a gas containing oxygen in the vapor phase in the presence of a catalyst containing vanadium, preferably tetra- or penta-valent oxide of vanadium or a mixture of the tetra- with the penta-valent vanadium oxides) to give anthraquinone. The mixing ratio between the toluene and the air is preferably 1.2vol% or less or 7vol% or more in vol% of toluene vapor in the air, and the reaction is carried out at a temperature in the range of 300W400°C. The unreacted toluene after the reaction is recycled through the reaction system for reuse.
COPYRIGHT: (C)1982,JPO&Japio
JP9748080A 1980-07-18 1980-07-18 Preparation of antrhaquinone Pending JPS5724323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9748080A JPS5724323A (en) 1980-07-18 1980-07-18 Preparation of antrhaquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9748080A JPS5724323A (en) 1980-07-18 1980-07-18 Preparation of antrhaquinone

Publications (1)

Publication Number Publication Date
JPS5724323A true JPS5724323A (en) 1982-02-08

Family

ID=14193441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9748080A Pending JPS5724323A (en) 1980-07-18 1980-07-18 Preparation of antrhaquinone

Country Status (1)

Country Link
JP (1) JPS5724323A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727208A (en) * 1986-09-12 1988-02-23 The Dow Chemical Company Oxidative coupling with methyl-substituted benzenes
US4814537A (en) * 1986-09-12 1989-03-21 The Dow Chemical Company Oxidative coupling of methyl-substituted benzenes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727208A (en) * 1986-09-12 1988-02-23 The Dow Chemical Company Oxidative coupling with methyl-substituted benzenes
WO1988001993A1 (en) * 1986-09-12 1988-03-24 The Dow Chemical Company Oxidative coupling with methyl-substituted benzenes
US4814537A (en) * 1986-09-12 1989-03-21 The Dow Chemical Company Oxidative coupling of methyl-substituted benzenes

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