JPS52142055A - Preparation of 1,4-dihydroanthraquinones - Google Patents

Preparation of 1,4-dihydroanthraquinones

Info

Publication number
JPS52142055A
JPS52142055A JP5786976A JP5786976A JPS52142055A JP S52142055 A JPS52142055 A JP S52142055A JP 5786976 A JP5786976 A JP 5786976A JP 5786976 A JP5786976 A JP 5786976A JP S52142055 A JPS52142055 A JP S52142055A
Authority
JP
Japan
Prior art keywords
dihydroanthraquinones
preparation
tetrahydroanthraquinones
agrichemicals
dyes
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
JP5786976A
Other languages
Japanese (ja)
Other versions
JPS5637974B2 (en
Inventor
Akira Matsuura
Shuichi Nakatani
Yukio Nomiyama
Ritsu Ninomiya
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 JP5786976A priority Critical patent/JPS52142055A/en
Publication of JPS52142055A publication Critical patent/JPS52142055A/en
Publication of JPS5637974B2 publication Critical patent/JPS5637974B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: 1, 4-Dihydroanthraquinones, useful as raw materials of fine chemicals such as agrichemicals and dyes, are prepared for a short time in high yield by the oxidation of tetrahydroanthraquinones, etc. with molecular oxygen under specific conditions.
COPYRIGHT: (C)1977,JPO&Japio
JP5786976A 1976-05-21 1976-05-21 Preparation of 1,4-dihydroanthraquinones Granted JPS52142055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5786976A JPS52142055A (en) 1976-05-21 1976-05-21 Preparation of 1,4-dihydroanthraquinones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5786976A JPS52142055A (en) 1976-05-21 1976-05-21 Preparation of 1,4-dihydroanthraquinones

Publications (2)

Publication Number Publication Date
JPS52142055A true JPS52142055A (en) 1977-11-26
JPS5637974B2 JPS5637974B2 (en) 1981-09-03

Family

ID=13067979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5786976A Granted JPS52142055A (en) 1976-05-21 1976-05-21 Preparation of 1,4-dihydroanthraquinones

Country Status (1)

Country Link
JP (1) JPS52142055A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5482401A (en) * 1977-12-05 1979-06-30 Kawasaki Kasei Chemicals Pulp making method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5482401A (en) * 1977-12-05 1979-06-30 Kawasaki Kasei Chemicals Pulp making method
JPS6059356B2 (en) * 1977-12-05 1985-12-24 川崎化成工業株式会社 Pulp manufacturing method

Also Published As

Publication number Publication date
JPS5637974B2 (en) 1981-09-03

Similar Documents

Publication Publication Date Title
JPS5239643A (en) A process for preparing terephtalic acid
JPS5225733A (en) Process for preparation of benzaldehydes
JPS52151114A (en) Preparation of dimethylforamide
JPS52142055A (en) Preparation of 1,4-dihydroanthraquinones
JPS532443A (en) Preparation of 1-phenyl-2-aminoethanol derivatives
JPS51125035A (en) New process for preparing 0-hydroxybenzylalcohols
JPS5382764A (en) Preparation of benzanthrone
JPS51148088A (en) Process for obtaining substances produced by organisms
JPS5233624A (en) Preparation of leucylnitroagmatines
JPS52111587A (en) Preparation of 6-aminopenam carboxylic acid-1-oxide or its derivatives
JPS5350121A (en) Preparation of azobenzene
JPS5363386A (en) Preparation of 8-chloroquinaldine
JPS51150962A (en) Analog output apparatus
JPS5379848A (en) Preparation of vitamine k1, k2
JPS51125030A (en) Process for preparation of 0-alkenylphenols
JPS5315384A (en) Preparation of methylpiperazinones
JPS51135647A (en) Movable draft stand for the copier
JPS52148022A (en) Preparation of acrylonitrile
JPS5218834A (en) Long-acting perfumery composition
JPS532424A (en) Preparation of p-xylene
JPS52128351A (en) Preparation of alpha-elemene and delta-elemene
JPS537686A (en) 6-oxo-2-piperzinylacetic acid and its preparation
JPS51126064A (en) Lead frame material
JPS5250454A (en) Rotating mechanism to equilibrate by self-strain
JPS52154514A (en) Pharmaceutical preparations containing tolnaftate