JPH0316947B2 - - Google Patents

Info

Publication number
JPH0316947B2
JPH0316947B2 JP57226727A JP22672782A JPH0316947B2 JP H0316947 B2 JPH0316947 B2 JP H0316947B2 JP 57226727 A JP57226727 A JP 57226727A JP 22672782 A JP22672782 A JP 22672782A JP H0316947 B2 JPH0316947 B2 JP H0316947B2
Authority
JP
Japan
Prior art keywords
dast
reaction
parts
acid
hydrazine
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 - Lifetime
Application number
JP57226727A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59118759A (ja
Inventor
Koichi Takase
Motohiko Yoshikawa
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 JP57226727A priority Critical patent/JPS59118759A/ja
Publication of JPS59118759A publication Critical patent/JPS59118759A/ja
Publication of JPH0316947B2 publication Critical patent/JPH0316947B2/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)
JP57226727A 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 JPS59118759A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57226727A JPS59118759A (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
JP57226727A JPS59118759A (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
JPS59118759A JPS59118759A (ja) 1984-07-09
JPH0316947B2 true JPH0316947B2 (enrdf_load_stackoverflow) 1991-03-06

Family

ID=16849666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57226727A Granted JPS59118759A (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) JPS59118759A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS59118759A (ja) 1984-07-09

Similar Documents

Publication Publication Date Title
JPH0316947B2 (enrdf_load_stackoverflow)
US2665313A (en) Production of 1, 6-naphthalenediol
JPS58157735A (ja) ポリ弗素化アルコ−ルの製造方法
US2022889A (en) Method of desulphonating diaminodiphenylamine-2-sulphonic acid compounds
US5962740A (en) Processes for producing 4,6-bis (substituted)phenylazoresorcinols
DE2716030C3 (de) Verfahren zur Herstellung von Monoalkalisalzes der 1-Amino-8-naphthol-3,6-disulfonsäure
JPH0316948B2 (enrdf_load_stackoverflow)
US869073A (en) Para-aminodiphenylamin sulfonic acid and process of making the same.
US1994845A (en) Preparation of amines of the benzene series
JPS63135362A (ja) 5−アミノサリチル酸の製造方法
JPS59216878A (ja) 2−キノキサリノ−ル類の製法
CN100412056C (zh) 3-氨基-4-羟基苯磺酸、3-氨基-4-羟基-5-硝基苯磺酸及其盐的合成方法
US3655740A (en) Method for producing aminonaphthalene sulphonic acids
JP2987058B2 (ja) 3−アリザリンスルホン酸ナトリウムの製造方法
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
EP0032784B1 (en) Production of hydrazobenzene-3,3'-disulphonic acid
US2620343A (en) Preparation qf j
JPH09124575A (ja) 4,6−ビス(置換)フェニルアゾレゾルシノールの製造方法
US233465A (en) Heinrich baum
JPH09176101A (ja) p−ニトロフェニルヒドラジンの製造法
US464135A (en) Meinhard hoffmann
US503305A (en) Fritz bender
US639041A (en) Black tetrazo dye.
US3927098A (en) Process for the preparation of 2-amino-4-nitro-anisole
JPS61238774A (ja) 1‐ジアゾ‐2‐ナフトール‐4‐スルホン酸の製造方法