IT1101868B - Procedimento per la produzione di acidi naftil-ammino-idrossi-solfonici - Google Patents

Procedimento per la produzione di acidi naftil-ammino-idrossi-solfonici

Info

Publication number: IT1101868B
Authority: IT; Italy
Prior art keywords: amino; naphthalene; sulphonic acid; prodn; hydroxy
Prior art date: 1977-03-31

Application number

IT4864278A

Other languages

English (en)

Other versions

IT7848642A0 (it

Original Assignee

Ciba Geigy 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.)

1977-03-31

Filing date

1978-03-29

Publication date

1985-10-07

1977-03-31 Priority claimed from CH406777A external-priority patent/CH630067A5/de

1978-02-03 Priority claimed from CH121678A external-priority patent/CH635069A5/de

1978-03-29 Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag

1978-03-29 Publication of IT7848642A0 publication Critical patent/IT7848642A0/it

1985-10-07 Application granted granted Critical

1985-10-07 Publication of IT1101868B publication Critical patent/IT1101868B/it

Links

CLBQHDAKOPHNQI-UHFFFAOYSA-N 3-amino-2-hydroxynaphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(O)(=O)=O)=C(O)C(N)=CC2=C1 CLBQHDAKOPHNQI-UHFFFAOYSA-N 0.000 title abstract 2
239000003513 alkali Substances 0.000 title 1
BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 title 1
238000000034 method Methods 0.000 abstract 2
GWIAAIUASRVOIA-UHFFFAOYSA-N 2-aminonaphthalene-1-sulfonic acid Chemical compound C1=CC=CC2=C(S(O)(=O)=O)C(N)=CC=C21 GWIAAIUASRVOIA-UHFFFAOYSA-N 0.000 abstract 1
229910006069 SO3H Inorganic materials 0.000 abstract 1
239000002253 acid Substances 0.000 abstract 1
229910052783 alkali metal Inorganic materials 0.000 abstract 1
150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
-1 alkali metal salt Chemical class 0.000 abstract 1
230000008878 coupling Effects 0.000 abstract 1
238000010168 coupling process Methods 0.000 abstract 1
238000005859 coupling reaction Methods 0.000 abstract 1
125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 abstract 1
239000007858 starting material Substances 0.000 abstract 1
125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 abstract 1

Landscapes

Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

IT4864278A 1977-03-31 1978-03-29 Procedimento per la produzione di acidi naftil-ammino-idrossi-solfonici IT1101868B (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH406777A CH630067A5 (de)	1977-03-31	1977-03-31	Verfahren zur herstellung von naphthylaminhydroxysulfosaeuren.
CH121678A CH635069A5 (en)	1978-02-03	1978-02-03	Process for the preparation of naphthylaminehydroxysulphonic acids

Publications (2)

Publication Number	Publication Date
IT7848642A0 IT7848642A0 (it)	1978-03-29
IT1101868B true IT1101868B (it)	1985-10-07

Family

ID=25687016

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT4864278A IT1101868B (it)	1977-03-31	1978-03-29	Procedimento per la produzione di acidi naftil-ammino-idrossi-solfonici

Country Status (1)

Country	Link
IT (1)	IT1101868B (it)

1978
- 1978-03-29 IT IT4864278A patent/IT1101868B/it active

Also Published As

Publication number	Publication date
IT7848642A0 (it)	1978-03-29

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Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19950317