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BR7804542A - Processo para a preparacao de sais monoalcalinos de acido 1-amino-8-naftol-3,6-dissulfonico(acido h) - Google Patents

Processo para a preparacao de sais monoalcalinos de acido 1-amino-8-naftol-3,6-dissulfonico(acido h)

Info

Publication number
BR7804542A
BR7804542A BR7804542A BR7804542A BR7804542A BR 7804542 A BR7804542 A BR 7804542A BR 7804542 A BR7804542 A BR 7804542A BR 7804542 A BR7804542 A BR 7804542A BR 7804542 A BR7804542 A BR 7804542A
Authority
BR
Brazil
Prior art keywords
acid
dissulphonic
naftol
mono
amino
Prior art date
Application number
BR7804542A
Other languages
English (en)
Inventor
H Behre
W Shossler
R Putter
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR7804542A publication Critical patent/BR7804542A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
    • C07C303/22—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic halides by reactions not involving the formation of halosulfonyl groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR7804542A 1977-07-16 1978-07-14 Processo para a preparacao de sais monoalcalinos de acido 1-amino-8-naftol-3,6-dissulfonico(acido h) BR7804542A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772732266 DE2732266A1 (de) 1977-07-16 1977-07-16 Verfahren zur herstellung von 1-amino-8-naphthol-3,6-disulfonsaeure (h-saeure)

Publications (1)

Publication Number Publication Date
BR7804542A true BR7804542A (pt) 1979-03-20

Family

ID=6014125

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7804542A BR7804542A (pt) 1977-07-16 1978-07-14 Processo para a preparacao de sais monoalcalinos de acido 1-amino-8-naftol-3,6-dissulfonico(acido h)

Country Status (6)

Country Link
US (1) US4166826A (pt)
EP (1) EP0000495B1 (pt)
JP (1) JPS5419955A (pt)
BR (1) BR7804542A (pt)
DE (2) DE2732266A1 (pt)
IT (1) IT7850308A0 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325889A (en) * 1978-08-04 1982-04-20 Bayer Aktiengesellschaft Process for the preparation of 1-amino-8-naphthol-3,6-disulphonic acid (H-acid)
DE2843680A1 (de) * 1978-10-06 1980-04-24 Bayer Ag Verfahren zur herstellung von 1-amino-8-naphthol-4,6-disulfonsaeure (k-saeure)
DE3118147A1 (de) 1981-05-07 1982-12-02 Bayer Ag, 5090 Leverkusen Verfahren zur isolierung von h-saeure und k-saeure
CN1057521C (zh) * 1997-08-16 2000-10-18 吉林化学工业股份有限公司染料厂 1－氨基－8－奈酚－3.6二磺酸单钠盐生产工艺的改进
CN108003071A (zh) * 2017-12-04 2018-05-08 大柴旦乐青科技化学有限公司 一种h酸高压碱熔工艺
CN107986997A (zh) * 2017-12-08 2018-05-04 荆门市熊兴化工有限公司 一种用于h酸生产过程中的碱熔方法
CN109096154A (zh) * 2018-08-16 2018-12-28 山东裕源集团有限公司 一种h酸生产工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1670406A (en) * 1925-05-09 1928-05-22 Newport Co Process of preparing h-acid
US1573056A (en) * 1925-05-09 1926-02-16 Newport Co Process of preparing 1, 8-aminonaphthol sulphonic acids

Also Published As

Publication number Publication date
DE2732266A1 (de) 1979-02-01
US4166826A (en) 1979-09-04
IT7850308A0 (it) 1978-07-14
DE2860341D1 (en) 1981-02-12
JPS5419955A (en) 1979-02-15
EP0000495A1 (de) 1979-02-07
EP0000495B1 (de) 1980-11-26

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