2-Hydroxybenzophenone derivatives substituted in the 4′-position by a thioether moiety exhibit enhanced absorption in the UV at longer wavelength. Compositions comprising organic material subject to actinic degradation are beneficially stabilized with such derivatives.
2-羟基苯并苯酮的4'-位置上带有
硫醚基团衍
生物在较长的紫外波长下具有增强的吸收作用。包含易受辐射降解的有机物质的组合物用此类衍
生物进行稳定化处理是有益的。