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
HUT60243AHU24191AHU24191AHUT60243AHU T60243 AHUT60243 AHU T60243AHU 24191 AHU24191 AHU 24191AHU 24191 AHU24191 AHU 24191AHU T60243 AHUT60243 AHU T60243A
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 AgfiledCriticalCiba Geigy Ag
Publication of HU910241D0publicationCriticalpatent/HU910241D0/en
Publication of HUT60243ApublicationCriticalpatent/HUT60243A/en
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)
HU24191A1990-10-251991-01-23Process for producing 4,4'-dinitrostilbene-2,2'-disulfonic acid derivatives
HUT60243A
(en)