公开(公告)号：US4180479A

公开(公告)日：1979-12-25

申请号：US850864

申请日：1977-11-14

申请人： Adolf E. Siegrist ,  Jean-Paul Pauchard ,  Bernardo De Sousa

发明人： Adolf E. Siegrist ,  Jean-Paul Pauchard ,  Bernardo De Sousa

IPC分类号： C09B57/00 ,  C07C45/46 ,  C07C49/813 ,  C07D213/75 ,  C07D261/20 ,  C07D471/04 ,  C07D413/10

CPC分类号： C07D213/75 ,  C07C45/46 ,  C07C49/813 ,  C07D261/20 ,  C07D471/04

摘要： Novel stilbene compounds of the formula ##STR1## in which A is the radical ##STR2## in which R.sub.1 is hydrogen or chlorine and R.sub.2 is hydrogen or alkyl, Z is hydrogen, chlorine or phenyl and R.sub.3 is hydrogen, alkyl or chlorine, as well as their use in a process for optically brightening organic material are described.

摘要翻译： 式（1）的新型二苯乙烯化合物，其中A是其中R 1是氢或氯并且R 2是氢或烷基，Z是氢，氯或苯基，R 3是氢，烷基或氯的基团 ，以及它们在用于光学增白有机材料的方法中的用途。

公开(公告)号：US4113937A

公开(公告)日：1978-09-12

申请号：US850861

申请日：1977-11-14

申请人： Adolf Emil Siegrist ,  Jean-Paul Pauchard

发明人： Adolf Emil Siegrist ,  Jean-Paul Pauchard

IPC分类号： C09B57/00 ,  C07D471/04 ,  C09B23/00

CPC分类号： C07D471/04

摘要： Novel stilbene compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another are hydrogen or chlorine and A is a mono-nuclear or poly-nuclear aromatic heterocyclic structure which contains oxygen atoms or oxygen and nitrogen atoms and is unsubstituted or substituted by non-chromophoric substituents, as well as their use in a process for optically brightening organic material are disclosed.