首页>
外国专利>
Benzoxazolyl stilbenes, process for their preparation and their use as optical brighteners for organic materials.
Benzoxazolyl stilbenes, process for their preparation and their use as optical brighteners for organic materials.
展开▼
机译:苯并恶唑基对苯二酚,其制备方法及其用作有机材料的荧光增白剂。
展开▼
页面导航
摘要
著录项
相似文献
摘要
Benzoxazolyl-stilbenes of the formula IMAGE in which R is a 6-membered heterocyclic radical which has 2 nitrogen atoms in the o-position, m-position or p-position relative to one another, and one of Z and Zo is hydrogen and the other is hydrogen or chlorine, and the benzene nucleus A can carry conventional non-chromophoric substituents, processes for their preparation and their use for the fluorescent brightening of organic material.
展开▼