JPS5344551A - Separation of 1,5- and 1,8-dinitroanthraquinones - Google Patents

Separation of 1,5- and 1,8-dinitroanthraquinones

Info

Publication number
JPS5344551A
JPS5344551A JP11902676A JP11902676A JPS5344551A JP S5344551 A JPS5344551 A JP S5344551A JP 11902676 A JP11902676 A JP 11902676A JP 11902676 A JP11902676 A JP 11902676A JP S5344551 A JPS5344551 A JP S5344551A
Authority
JP
Japan
Prior art keywords
dinitroanthraquinones
separation
solvent
mixture
nitroanthraquinones
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
JP11902676A
Other languages
Japanese (ja)
Other versions
JPS5521027B2 (en
Inventor
Koichi Yoshiura
Michio Kawakami
Akio Iwamura
Tsunehiro Sakai
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 JP11902676A priority Critical patent/JPS5344551A/en
Publication of JPS5344551A publication Critical patent/JPS5344551A/en
Publication of JPS5521027B2 publication Critical patent/JPS5521027B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To conveniently separate title compounds useful as intermediate for dyes and pigments from a mixture of nitroanthraquinones by heating it in a solvent or a solvent mixture selected from cyclohexane, methylcyclohexanone, and acetophenone.
COPYRIGHT: (C)1978,JPO&Japio
JP11902676A 1976-10-05 1976-10-05 Separation of 1,5- and 1,8-dinitroanthraquinones Granted JPS5344551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11902676A JPS5344551A (en) 1976-10-05 1976-10-05 Separation of 1,5- and 1,8-dinitroanthraquinones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11902676A JPS5344551A (en) 1976-10-05 1976-10-05 Separation of 1,5- and 1,8-dinitroanthraquinones

Publications (2)

Publication Number Publication Date
JPS5344551A true JPS5344551A (en) 1978-04-21
JPS5521027B2 JPS5521027B2 (en) 1980-06-06

Family

ID=14751134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11902676A Granted JPS5344551A (en) 1976-10-05 1976-10-05 Separation of 1,5- and 1,8-dinitroanthraquinones

Country Status (1)

Country Link
JP (1) JPS5344551A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0235073A (en) * 1988-07-25 1990-02-05 Dai Ichi Kogyo Seiyaku Co Ltd Defoamer for fermentation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0235073A (en) * 1988-07-25 1990-02-05 Dai Ichi Kogyo Seiyaku Co Ltd Defoamer for fermentation

Also Published As

Publication number Publication date
JPS5521027B2 (en) 1980-06-06

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