PL336836A1 - Method of obtaining aminoaryl sulphonic acids - Google Patents

Method of obtaining aminoaryl sulphonic acids

Info

Publication number
PL336836A1
PL336836A1 PL33683699A PL33683699A PL336836A1 PL 336836 A1 PL336836 A1 PL 336836A1 PL 33683699 A PL33683699 A PL 33683699A PL 33683699 A PL33683699 A PL 33683699A PL 336836 A1 PL336836 A1 PL 336836A1
Authority
PL
Poland
Prior art keywords
aminoaryl
obtaining
sulphonic acids
sulphonic
acids
Prior art date
Application number
PL33683699A
Inventor
Guido Steffan
Friedrich Mueller-Hauck
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 PL336836A1 publication Critical patent/PL336836A1/en

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
PL33683699A 1998-12-01 1999-11-29 Method of obtaining aminoaryl sulphonic acids PL336836A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1998155335 DE19855335A1 (en) 1998-12-01 1998-12-01 Production of aminoarylsulfonic acids comprises hydrogenation of nitroarylsulfonic acids in an aqueous medium in the presence of a pre-treated Raney nickel catalyst

Publications (1)

Publication Number Publication Date
PL336836A1 true PL336836A1 (en) 2000-06-05

Family

ID=7889583

Family Applications (1)

Application Number Title Priority Date Filing Date
PL33683699A PL336836A1 (en) 1998-12-01 1999-11-29 Method of obtaining aminoaryl sulphonic acids

Country Status (3)

Country Link
CN (1) CN1184198C (en)
DE (1) DE19855335A1 (en)
PL (1) PL336836A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101993398B (en) * 2009-08-24 2014-03-05 中国中化股份有限公司 Method for preparing 1,8-diamido-3,6-naphthalene disulfonic acid by catalytic hydrogenation
CN103804242B (en) * 2012-11-09 2016-03-23 中国中化股份有限公司 A kind of shortening prepares the method for m-sulfanilic acid
CN104402774B (en) * 2014-11-21 2017-01-18 浙江秦燕科技股份有限公司 Method for preparing CLT acid through continuous catalytic hydrogenation reduction
CN106083664A (en) * 2016-06-06 2016-11-09 王兴民 A kind of nitro compounds method of reducing
CN111848459A (en) * 2020-08-14 2020-10-30 中国天辰工程有限公司 A clean and efficient preparation method of 1,6 and 1,7-cliffeic acid

Also Published As

Publication number Publication date
CN1184198C (en) 2005-01-12
CN1260346A (en) 2000-07-19
DE19855335A1 (en) 2000-06-08

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Legal Events

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REFS Decisions on refusal to grant patents (taken after the publication of the particulars of the applications)