| 摘要 |
<p>Sulphones of the general formula <IMAGE> in which A<2> denotes a radical A<1> or a radical of the formula <IMAGE> in which A<1> and A<3> independently of one another denote aryl or heteroaryl which are optionally mono- or polysubstituted, cyano, carboxylic ester, optionally substituted carbamoyl, carboxyl, alkanoyl or aroyl, B denotes a direct bond or a bridge member and R<1> and R<2> independently of one another denote hydrogen, C1- to C4-alkyl, aryl, heteroaryl, carboxyl, cyano, carboxylic ester or optionally substituted carbamoyl, one X is in each case hydrogen and the other X is a sulphone radical and where A<2> equals A<1> the two radicals A<1> can be identical or different. The compounds according to the invention are useful intermediates for pharmaceuticals and dyes.</p> |
