IT1255714B - Procedimento per la preparazione di acidi 4,4'-bis (4-fenil-1,2,3, triazol-2-il)-stilben-2,2'-disolfonici e di loro sali - Google Patents

Procedimento per la preparazione di acidi 4,4'-bis (4-fenil-1,2,3, triazol-2-il)-stilben-2,2'-disolfonici e di loro sali

Info

Publication number
IT1255714B
IT1255714B ITMI922289A ITMI922289A IT1255714B IT 1255714 B IT1255714 B IT 1255714B IT MI922289 A ITMI922289 A IT MI922289A IT MI922289 A ITMI922289 A IT MI922289A IT 1255714 B IT1255714 B IT 1255714B
Authority
IT
Italy
Prior art keywords
preparation
dysulphonic
stylben
fenyl
triazol
Prior art date
Application number
ITMI922289A
Other languages
English (en)
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 ITMI922289A0 publication Critical patent/ITMI922289A0/it
Publication of ITMI922289A1 publication Critical patent/ITMI922289A1/it
Application granted granted Critical
Publication of IT1255714B publication Critical patent/IT1255714B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01—Sulfonic acids
    • C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/45—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
    • C07C309/48—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton the carbon skeleton being further substituted by halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01—Sulfonic acids
    • C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/45—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
    • C07C309/46—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton having the sulfo groups bound to carbon atoms of non-condensed six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D249/04—1,2,3-Triazoles; Hydrogenated 1,2,3-triazoles
    • C07D249/06—1,2,3-Triazoles; Hydrogenated 1,2,3-triazoles with aryl radicals directly attached to ring atoms

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Il nuovo procedimento per la preparazione di composti di formula (I) (FORMULA I) mediante reazione di composti di formula (II) (FORMULA II) nella formula (I) e (II) i sostituenti avendo il significato indicato nella descrizione, con etilene, porta ad ottenere (I) con resa molto buona e con un elevato grado di purezza.
ITMI922289A 1991-10-28 1992-10-01 Procedimento per la preparazione di acidi 4,4'-bis (4-fenil-1,2,3, triazol-2-il)-stilben-2,2'-disolfonici e di loro sali IT1255714B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4135476A DE4135476A1 (de) 1991-10-28 1991-10-28 Verfahren zur herstellung von 4,4'-bis(4-phenyl-1,2,3-triazol-2-yl)-stilben-2,2'-disulfonsaeuren bzw. ihren salzen

Publications (3)

Publication Number Publication Date
ITMI922289A0 ITMI922289A0 (it) 1992-10-01
ITMI922289A1 ITMI922289A1 (it) 1994-04-01
IT1255714B true IT1255714B (it) 1995-11-10

Family

ID=6443568

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI922289A IT1255714B (it) 1991-10-28 1992-10-01 Procedimento per la preparazione di acidi 4,4'-bis (4-fenil-1,2,3, triazol-2-il)-stilben-2,2'-disolfonici e di loro sali

Country Status (3)

Country Link
DE (1) DE4135476A1 (it)
GB (1) GB2260324B (it)
IT (1) IT1255714B (it)

Also Published As

Publication number Publication date
GB2260324B (en) 1995-07-05
DE4135476A1 (de) 1993-08-12
ITMI922289A1 (it) 1994-04-01
GB2260324A (en) 1993-04-14
GB9222582D0 (en) 1992-12-09
ITMI922289A0 (it) 1992-10-01

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Legal Events

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0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951028