HUT60243A - Process for producing 4,4'-dinitrostilbene-2,2'-disulfonic acid derivatives - Google Patents

Process for producing 4,4'-dinitrostilbene-2,2'-disulfonic acid derivatives

Info

Publication number
HUT60243A
HUT60243A HU24191A HU24191A HUT60243A HU T60243 A HUT60243 A HU T60243A HU 24191 A HU24191 A HU 24191A HU 24191 A HU24191 A HU 24191A HU T60243 A HUT60243 A HU T60243A
Authority
HU
Hungary
Prior art keywords
dinitrostilbene
producing
acid derivatives
disulfonic acid
deriv
Prior art date
Application number
HU24191A
Other languages
Hungarian (hu)
Other versions
HU910241D0 (en
Inventor
Leonardo Guglielmetti
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.)
Filing date
Publication date
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of HU910241D0 publication Critical patent/HU910241D0/en
Publication of HUT60243A publication Critical patent/HUT60243A/en

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

Abstract

4,4'-di:methyl- stilbene-2,2'-di:sulphonic acid derivs. are prepd. by oxidn. of 4-nitro-toluene-2-sulphonic-acid using liq. NH3, anhydrous NH3 or an alkylated ammonia deriv. in liq. form and/or an aq. soln. of an alkylated ammonia deriv.. (Dwg.0/0)
HU24191A 1990-10-25 1991-01-23 Process for producing 4,4'-dinitrostilbene-2,2'-disulfonic acid derivatives HUT60243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH340990 1990-10-25

Publications (2)

Publication Number Publication Date
HU910241D0 HU910241D0 (en) 1991-08-28
HUT60243A true HUT60243A (en) 1992-08-28

Family

ID=4255367

Family Applications (1)

Application Number Title Priority Date Filing Date
HU24191A HUT60243A (en) 1990-10-25 1991-01-23 Process for producing 4,4'-dinitrostilbene-2,2'-disulfonic acid derivatives

Country Status (1)

Country Link
HU (1) HUT60243A (en)

Also Published As

Publication number Publication date
HU910241D0 (en) 1991-08-28

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Legal Events

Date Code Title Description
DFA9 Temporary prot. cancelled due to abandonment