5-Alkylsulphonyl- and 5-alkenylsulphonylbarbituric acids and derivatives thereof

摘要

There are described compounds of the formulae I and II <IMAGE> and also salts of compounds of the formula I, wherein X represents optionally substituted alkyl or alkenyl, and the Y's represent identical or different halogen atoms. The compounds of the formulae I and II are valuable intermediates which are suitable for producing, e.g., fiber-reactive dyes.