JPS5326823A - Preparation of 6,13-dihydroquinacridone - Google Patents

Preparation of 6,13-dihydroquinacridone

Info

Publication number
JPS5326823A
JPS5326823A JP10127576A JP10127576A JPS5326823A JP S5326823 A JPS5326823 A JP S5326823A JP 10127576 A JP10127576 A JP 10127576A JP 10127576 A JP10127576 A JP 10127576A JP S5326823 A JPS5326823 A JP S5326823A
Authority
JP
Japan
Prior art keywords
dihydroquinacridone
preparation
purity
reacting
absence
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
JP10127576A
Other languages
Japanese (ja)
Inventor
Hiroaki Munakata
Masami Kagizaki
Hideyoshi Hashimoto
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 JP10127576A priority Critical patent/JPS5326823A/en
Publication of JPS5326823A publication Critical patent/JPS5326823A/en
Pending legal-status Critical Current

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Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

PURPOSE: To prepare high-purity 6,13-dihydroquinacridone in high yield by reacting a dialkyl succinylsuccinate with an aromatic amine in the absence of solvent.
COPYRIGHT: (C)1978,JPO&Japio
JP10127576A 1976-08-25 1976-08-25 Preparation of 6,13-dihydroquinacridone Pending JPS5326823A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10127576A JPS5326823A (en) 1976-08-25 1976-08-25 Preparation of 6,13-dihydroquinacridone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10127576A JPS5326823A (en) 1976-08-25 1976-08-25 Preparation of 6,13-dihydroquinacridone

Publications (1)

Publication Number Publication Date
JPS5326823A true JPS5326823A (en) 1978-03-13

Family

ID=14296319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10127576A Pending JPS5326823A (en) 1976-08-25 1976-08-25 Preparation of 6,13-dihydroquinacridone

Country Status (1)

Country Link
JP (1) JPS5326823A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59141027A (en) * 1983-02-01 1984-08-13 Anelva Corp Digital ionization vacuum gauge
US5610306A (en) * 1993-11-19 1997-03-11 Toyo Ink Manufacturing Co., Ltd. Process for the production of 6,13-dihydroquinacridones and apparatus for use for the production
US5659036A (en) * 1993-06-30 1997-08-19 Toyo Ink Manufacturing Co., Ltd. Process for the production of 2,5-di(arylamino)-3,6-dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediate

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59141027A (en) * 1983-02-01 1984-08-13 Anelva Corp Digital ionization vacuum gauge
US5659036A (en) * 1993-06-30 1997-08-19 Toyo Ink Manufacturing Co., Ltd. Process for the production of 2,5-di(arylamino)-3,6-dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediate
US5817817A (en) * 1993-06-30 1998-10-06 Toyo Ink Manufacturing Co., Ltd. Process for the production of 2,5-di(arylamino)-3,6-dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediate
US5610306A (en) * 1993-11-19 1997-03-11 Toyo Ink Manufacturing Co., Ltd. Process for the production of 6,13-dihydroquinacridones and apparatus for use for the production

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