JPS52142055A - Preparation of 1,4-dihydroanthraquinones - Google Patents
Preparation of 1,4-dihydroanthraquinonesInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5482401A (en) * | 1977-12-05 | 1979-06-30 | Kawasaki Kasei Chemicals | Pulp making method |
-
1976
- 1976-05-21 JP JP5786976A patent/JPS52142055A/en active Granted
Cited By (2)
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 |