JPS6212778B2 - - Google Patents

Info

Publication number
JPS6212778B2
JPS6212778B2 JP12353080A JP12353080A JPS6212778B2 JP S6212778 B2 JPS6212778 B2 JP S6212778B2 JP 12353080 A JP12353080 A JP 12353080A JP 12353080 A JP12353080 A JP 12353080A JP S6212778 B2 JPS6212778 B2 JP S6212778B2
Authority
JP
Japan
Prior art keywords
reaction
naphthoquinone
butadiene
thaq
tetrahydroanthraquinone
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.)
Expired
Application number
JP12353080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5748936A (en
Inventor
Tatsumi Komatsu
Kenji Usui
Shigeaki Numata
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.)
Kawasaki Kasei Chemicals Ltd
Original Assignee
Kawasaki Kasei Chemicals 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 Kawasaki Kasei Chemicals Ltd filed Critical Kawasaki Kasei Chemicals Ltd
Priority to JP12353080A priority Critical patent/JPS5748936A/ja
Publication of JPS5748936A publication Critical patent/JPS5748936A/ja
Publication of JPS6212778B2 publication Critical patent/JPS6212778B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP12353080A 1980-09-08 1980-09-08 Preparation of 1,4,4a,9a-tetrahydroanthraquinone Granted JPS5748936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12353080A JPS5748936A (en) 1980-09-08 1980-09-08 Preparation of 1,4,4a,9a-tetrahydroanthraquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12353080A JPS5748936A (en) 1980-09-08 1980-09-08 Preparation of 1,4,4a,9a-tetrahydroanthraquinone

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP7630586A Division JPS6289640A (ja) 1986-04-02 1986-04-02 １，４，４ａ，９ａ―テトラヒドロアントラキノンの製造方法

Publications (2)

Publication Number Publication Date
JPS5748936A JPS5748936A (en) 1982-03-20
JPS6212778B2 true JPS6212778B2 (enrdf_load_stackoverflow) 1987-03-20

Family

ID=14862885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12353080A Granted JPS5748936A (en) 1980-09-08 1980-09-08 Preparation of 1,4,4a,9a-tetrahydroanthraquinone

Country Status (1)

Country Link
JP (1) JPS5748936A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950766A (ja) * 1982-09-17 1984-03-23 Masayo Saitou 永久磁石自力回転原動機
JPS5953435A (ja) * 1982-09-22 1984-03-28 Kawasaki Kasei Chem Ltd １，４−ジヒドロアントラヒドロキノン又はアントラキノンの製造方法

Also Published As

Publication number Publication date
JPS5748936A (en) 1982-03-20

Similar Documents

Publication Publication Date Title
US7282151B2 (en) Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration
US4939297A (en) Extraction process for removal of impurities from terephthalic acid filtrate
KR100658555B1 (ko) 전구체, 용매 및 메틸 아세테이트의 회수를 개선시킨 순수테레프탈산의 제조 방법
US20040244536A1 (en) Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid
US5116996A (en) Purification of indigo
JPS6212778B2 (enrdf_load_stackoverflow)
US4042604A (en) Isolation of dinitroanthraquinone having a high content of α,α-d
US3786096A (en) Recovery of adipic acid
JPS6289640A (ja) １，４，４ａ，９ａ―テトラヒドロアントラキノンの製造方法
JPS6052739B2 (ja) ヒドロアントラキノン類の製造方法
US20070038002A1 (en) Process for removal of benzoic acid from an oxidizer purge stream
JPS591250B2 (ja) ナフトキノンとフタル酸の分離方法
US7569722B2 (en) Process for removal of benzoic acid from an oxidizer purge stream
US4053488A (en) Separation of 1,5-dinitroanthraquinone and 1,8-dinitroanthraquinone
JPS6320810B2 (enrdf_load_stackoverflow)
US1420198A (en) Purification of anthraquinone
US3642838A (en) Uncatalyzed oxidation of anthracene to 9 10-anthraquinone by molecular oxygen
JP2697055B2 (ja) ｐ―ヒドロキシベンズアルデヒドの製造方法
CA2616107A1 (en) Process for removal of benzoic acid from an oxidizer purge stream
KR800000078B1 (ko) 테레프탈산의 제조방법
JPS622576B2 (enrdf_load_stackoverflow)
JPH0466465B2 (enrdf_load_stackoverflow)
JP2001354599A (ja) ２，６−ジメチルナフタレンをそれを含む混合物から分離する方法
JPS62185038A (ja) アントラキノンの製造法
JPS609699B2 (ja) ナフトキノンとフタル酸の分離法