JPS53103460A - Preparation of purified alpha-nitro-beta-chloroanthraquinone - Google Patents

Preparation of purified alpha-nitro-beta-chloroanthraquinone

Info

Publication number
JPS53103460A
JPS53103460A JP1778877A JP1778877A JPS53103460A JP S53103460 A JPS53103460 A JP S53103460A JP 1778877 A JP1778877 A JP 1778877A JP 1778877 A JP1778877 A JP 1778877A JP S53103460 A JPS53103460 A JP S53103460A
Authority
JP
Japan
Prior art keywords
nitro
chloroanthraquinone
beta
preparation
purified alpha
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
JP1778877A
Other languages
Japanese (ja)
Inventor
Katsuya Sakai
Sadao Takahashi
Masao Imai
Noboru Yagi
Naomichi Murakami
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 JP1778877A priority Critical patent/JPS53103460A/en
Publication of JPS53103460A publication Critical patent/JPS53103460A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To prepare the title cpd. useful as raw material for dyes, by treatment of crude α-nitro-β-chlorantraquinone contg. β'-chloroantraquimone, etc. with an alkali metal sulfite in water and an arom. solvent.
COPYRIGHT: (C)1978,JPO&Japio
JP1778877A 1977-02-22 1977-02-22 Preparation of purified alpha-nitro-beta-chloroanthraquinone Pending JPS53103460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1778877A JPS53103460A (en) 1977-02-22 1977-02-22 Preparation of purified alpha-nitro-beta-chloroanthraquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1778877A JPS53103460A (en) 1977-02-22 1977-02-22 Preparation of purified alpha-nitro-beta-chloroanthraquinone

Publications (1)

Publication Number Publication Date
JPS53103460A true JPS53103460A (en) 1978-09-08

Family

ID=11953445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1778877A Pending JPS53103460A (en) 1977-02-22 1977-02-22 Preparation of purified alpha-nitro-beta-chloroanthraquinone

Country Status (1)

Country Link
JP (1) JPS53103460A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4970954A (en) * 1972-10-06 1974-07-09
JPS49126729A (en) * 1973-04-06 1974-12-04
JPS49129723A (en) * 1973-03-30 1974-12-12
JPS5075620A (en) * 1973-11-07 1975-06-20

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4970954A (en) * 1972-10-06 1974-07-09
JPS49129723A (en) * 1973-03-30 1974-12-12
JPS49126729A (en) * 1973-04-06 1974-12-04
JPS5075620A (en) * 1973-11-07 1975-06-20

Similar Documents

Publication Publication Date Title
JPS53107479A (en) Preparation of human lysozyme
JPS5428895A (en) Dehydration purification of fermentation products
JPS5391189A (en) Preparation of d-n-carbamoyl-alpha-amino acids
JPS5238507A (en) Detergent composition
JPS52109591A (en) Preparation of polycarbonates
JPS53103460A (en) Preparation of purified alpha-nitro-beta-chloroanthraquinone
JPS5363760A (en) Water treatment process for decoloring water
JPS5323916A (en) Preparation of thioglycosides
JPS5238506A (en) Detergent composition
JPS53123499A (en) Purification of polyether
JPS5359095A (en) Preparation of 7-aminocephem cpds.
JPS5432487A (en) Preparation of 1-carbamoyluracils
JPS5428893A (en) Preparation of sarcosine oxidase
JPS5424842A (en) Preparation of hydroxybenzaldehydes
JPS53101346A (en) Preparation of 5,5'-methylene(2-hhdroxy-4-alkoxybenzoohenone)
JPS5315494A (en) 7-(4-carboxybutylamide)-7-methxycephalosporin derivatives and their preparation
JPS52134094A (en) Preparation of pseudo-oxynicotine
JPS5312491A (en) Preparation of l-alginine by fermentation
JPS53130496A (en) Preparation of polysaccharides
JPS5371066A (en) Preparation of 3-phenylindole derivs.
JPS5392709A (en) Treatment of crude aqueous acetone
JPS5417182A (en) Preparation of choline-oxidase
JPS5427510A (en) Preparation of 3-substituted or non-substituted-pentane-1,5-diol
JPS53121713A (en) Separation of butanediol
JPS52156879A (en) Preparation of piperazine derivatives