JPS5564543A - Preparation of 2-alkylanthraquinone - Google Patents

Preparation of 2-alkylanthraquinone

Info

Publication number
JPS5564543A
JPS5564543A JP13710078A JP13710078A JPS5564543A JP S5564543 A JPS5564543 A JP S5564543A JP 13710078 A JP13710078 A JP 13710078A JP 13710078 A JP13710078 A JP 13710078A JP S5564543 A JPS5564543 A JP S5564543A
Authority
JP
Japan
Prior art keywords
reaction mixture
carboxylic acid
compound
separability
pref
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
JP13710078A
Other languages
Japanese (ja)
Other versions
JPS6159300B2 (en
Inventor
Yoshiyuki Takeda
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.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP13710078A priority Critical patent/JPS5564543A/en
Publication of JPS5564543A publication Critical patent/JPS5564543A/en
Publication of JPS6159300B2 publication Critical patent/JPS6159300B2/ja
Granted legal-status Critical Current

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

Abstract

PURPOSE: To facilitate the extraction of the title compound useful as an assistant for the production of hydrogen peroxide, and to prepare the title compound economically, by adding a specific aliphatic carboxylic acid to a reaction mixture, thereby improving the separability of an oil phase and a water phase of the reaction mixture.
CONSTITUTION: A 2-alkylanthraquinone is prepared by (1) cyclizing a compound I (R1 is 2W8C alkyl) in sulfuric acid or in oleum, (2) diluting the reaction mixture with water, and (3) extracting the objective compound with a hydrocarbon or a halogenated hydrocarbon in the presence of an aliphatic carboxylic acid of formula II (R2 is ≥12C, pref. 12W25C straight- or branched-chain alkyl which may be partly halogenated), e.g. myristic acid. The amount of the carboxylic acid is usually 0.1W25wt%, pref. 0.3W10wt%, based on the sulfuric acid in rhe reaction mixture. The addition of the carboxylic acid improves the separability of the oil phase and the water phase, and facilitates the extraction of the objective compound.
COPYRIGHT: (C)1980,JPO&Japio
JP13710078A 1978-11-07 1978-11-07 Preparation of 2-alkylanthraquinone Granted JPS5564543A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13710078A JPS5564543A (en) 1978-11-07 1978-11-07 Preparation of 2-alkylanthraquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13710078A JPS5564543A (en) 1978-11-07 1978-11-07 Preparation of 2-alkylanthraquinone

Publications (2)

Publication Number Publication Date
JPS5564543A true JPS5564543A (en) 1980-05-15
JPS6159300B2 JPS6159300B2 (en) 1986-12-16

Family

ID=15190852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13710078A Granted JPS5564543A (en) 1978-11-07 1978-11-07 Preparation of 2-alkylanthraquinone

Country Status (1)

Country Link
JP (1) JPS5564543A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117024260A (en) * 2023-10-08 2023-11-10 中国天辰工程有限公司 Preparation method of 2-ethyl anthraquinone

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117024260A (en) * 2023-10-08 2023-11-10 中国天辰工程有限公司 Preparation method of 2-ethyl anthraquinone
CN117024260B (en) * 2023-10-08 2024-01-16 中国天辰工程有限公司 Preparation method of 2-ethyl anthraquinone

Also Published As

Publication number Publication date
JPS6159300B2 (en) 1986-12-16

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