申请人:Ciba-Geigy AG
公开号:US04549015A1
公开(公告)日:1985-10-22
New hydroquinone ether compounds of formula I are described: ##STR1## wherein p is 1 or 2 and q is 0 or 1, provided that p+q is 1 or 2, R is a residue of formula II ##STR2## and R.sub.o, R.sub.oo, R.sub.1, R.sub.2, R.sub.3, Q, n and k are as defined in the specification. The new compounds are useful e.g. as stabilizers in photographic material.
本发明涉及一种新的氢醌醚化合物,其化学式为I:##STR1## 其中p为1或2,q为0或1,但要求p+q为1或2,R为式II的残基:##STR2## 其中R.sub.o、R.sub.oo、R.sub.1、R.sub.2、R.sub.3、Q、n和k如规范中所定义。这些新化合物可用作例如摄影材料中的稳定剂。