Anthraquinone dyes containing a fluorosulphonyl group and use thereof

Abstract

A process for colouring a synthetic textile material or fibre blend thereof which comprises applying to the synthetic textile material a compound of Formula (1): ##STR1## wherein: Ring A and Ring D are optionally substituted and at least one of Ring A or Ring D carries at least one --SO.sub.2 F group except for 2-›(9,10-dihydro-9,10-dioxo-1-anthracenyl)amino!ethanesulphonylfluoride, 2-›(9,10-dihydro-9,10-dioxo-2-anthracenyl)amino!ethanesulphonylfluoride, 2,2'-›(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino!bisethane sulphonylfluoride, 2,2'-›(9,10-dihydro-9,10-dioxo-1,5-anthracenediyl)diimino!bisethane sulphonylfluoride, 2,2'-›(9,10-dihydro-2-methoxy-9,10-dioxo-1,4-anthracenediyl)diimino) bisethanesulphonylfluoride, 2-›(4-(benzoylamino)-9,10-dihydro-9,10-dioxo-1-anthracenyl!amino!ethanesulp honylfluoride, 2-›(9,10-dihydro-4-(methylamino)-9,10-dioxo-1-anthracenyl!amino!ethane sulphonylfluoride.

Dependencies are inferred from the claim text.