JPS59118760A - 4,4′−ジアミノスチルベン−2,2′−ジスルホン酸又はその塩の製造法 - Google Patents

4,4′−ジアミノスチルベン−2,2′−ジスルホン酸又はその塩の製造法

Info

Publication number
JPS59118760A
JPS59118760A JP57226728A JP22672882A JPS59118760A JP S59118760 A JPS59118760 A JP S59118760A JP 57226728 A JP57226728 A JP 57226728A JP 22672882 A JP22672882 A JP 22672882A JP S59118760 A JPS59118760 A JP S59118760A
Authority
JP
Japan
Prior art keywords
bisulfite
reaction
disulfonic acid
acid
formula
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
JP57226728A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0316948B2 (enrdf_load_stackoverflow
Inventor
Koichi Takase
高瀬 光市
Shigeru Ishii
繁 石井
Motohiko Yoshikawa
吉川 元彦
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.)
Nippon Kayaku Co Ltd
Original Assignee
Nippon Kayaku Co 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 Nippon Kayaku Co Ltd filed Critical Nippon Kayaku Co Ltd
Priority to JP57226728A priority Critical patent/JPS59118760A/ja
Publication of JPS59118760A publication Critical patent/JPS59118760A/ja
Publication of JPH0316948B2 publication Critical patent/JPH0316948B2/ja
Granted legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP57226728A 1982-12-27 1982-12-27 4,4′−ジアミノスチルベン−2,2′−ジスルホン酸又はその塩の製造法 Granted JPS59118760A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57226728A JPS59118760A (ja) 1982-12-27 1982-12-27 4,4′−ジアミノスチルベン−2,2′−ジスルホン酸又はその塩の製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57226728A JPS59118760A (ja) 1982-12-27 1982-12-27 4,4′−ジアミノスチルベン−2,2′−ジスルホン酸又はその塩の製造法

Publications (2)

Publication Number Publication Date
JPS59118760A true JPS59118760A (ja) 1984-07-09
JPH0316948B2 JPH0316948B2 (enrdf_load_stackoverflow) 1991-03-06

Family

ID=16849680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57226728A Granted JPS59118760A (ja) 1982-12-27 1982-12-27 4,4′−ジアミノスチルベン−2,2′−ジスルホン酸又はその塩の製造法

Country Status (1)

Country Link
JP (1) JPS59118760A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0316948B2 (enrdf_load_stackoverflow) 1991-03-06

Similar Documents

Publication Publication Date Title
JPS59118760A (ja) 4,4′−ジアミノスチルベン−2,2′−ジスルホン酸又はその塩の製造法
US2276984A (en) Manufacture of thin boiling starches
JPS6339843A (ja) 5−アミノサリチル酸の製造方法
US2665313A (en) Production of 1, 6-naphthalenediol
JPH0470310B2 (enrdf_load_stackoverflow)
JPS5925779B2 (ja) 立体異性脂環ジアミンの異性化法
JPS63130588A (ja) 2,4,5−トリアミノ−6−ヒドロキシピリミジンを製造する方法
JPS59118759A (ja) 4,4′−ジアミノスチルベン−2,2′−ジスルホン酸又はその塩の製造法
US4163752A (en) Process for the preparation of aminonaphthalenesulphonic acids
US3989743A (en) Process for the preparation of 4,4'-diaminostilbene-2,2'-disulphonic acid
US4093646A (en) Reduction of nitro compounds with aqueous solutions of a formate
US4990673A (en) Process for the preparation of 4,4'-dinitrodiphenylamine
EP0034398B1 (en) Production of 2-naphthylamine-4,8-disulphonic acid
JP2574402B2 (ja) 3−アミノフエニル2−ヒドロキシエチル スルホンの製造方法
EP0184660B1 (de) Monocyclische Bis-oxethylsulfonyl-benzole und Verfahren zu ihrer Herstellung
US3324175A (en) Process for preparing p-aminobenzoic acid
EP0000634A1 (en) Process for the manufacture of naphthylamine sulphonic acids
US2337256A (en) Preparation of azobenzene sulphonate
JPH06122650A (ja) 3,3′,4,4′−ビフェニルテトラカルボン酸の製造方法
JPH0617340B2 (ja) クロルニトロアニリンとクロルニトロフエノ−ルの製造方法
JPS5852255A (ja) 不飽和アミドの製造方法
JPH04210954A (ja) 1−アミノ−8−ヒドロキシナフタレン−3・6−ジスルホン酸の製造法
JPS60188349A (ja) 2,3−ジクロロ−6−ニトロフエノ−ルの製造法
JPS62169751A (ja) 2−アミノ−1,3−プロパンジオ−ルの製造法
JPH06172295A (ja) 4、4’−ジアミノスチルベン−2、2’−ジスルホン酸又はその塩類の製造方法