| 摘要 |
<p>Certain 2-oxo- or thio-1,3-disubstituted-6-aminouracils in which at least one of the substituents in the 1- and 3-positions is an oxygen- interrupted 2-10C alkyl group are new. 2-Oxo- or thio-1,3-disubstituted-6-aminouracils of formula (I) are new. An independent claim is also included for a composition comprising a chlorine-containing polymer and (I). [Image] R1> and R2>phenyl, 2-12C alkyl, 3-6C alkenyl, 5-8C cycloalkyl or O- interrupted 2-10C alkyl (each optionally substituted by 1-4C alkyl, 1-4C alkoxy or hydroxy), with at least one of R1> and R2> being O-interrupted 2-10C alkyl.</p> |
