申请人:Showa Denko Kabushiki Kaisha
公开号:US04772700A1
公开(公告)日:1988-09-20
A spiropiperidine-naphthoxazine compound represented by the following general formula (I) is valuable as a photochromic compound: ##STR1## wherein (a) R.sub.1 represents a C1-C18 alkyl group, C7-C15 aralkyl group which may be substituted, a C1-C10 alkenyl group or a C6-C15 aryl group which may be substituted, (b) R.sub.2 through R.sub.9 represent a group R.sub.1 defined above, a hydrogen atom, or a C5-C10 alicyclic ring or a norbonyl or adamantyl group, which is bonded between groups present on one skeleton carbon atom or between groups on adjacent skeleton carbon atoms (at the ortho-position), (c) R.sub. 10 represents a C1-C18 alkyl group, a C7-C15 aralkyl group which may be substituted or a C1-C10 alkenyl group, and (d) R.sub.11 through R.sub.16 represent a hydrogen atom, a C1-C9 alkyl group, a C1-C5 alkoxyl group, a halogen atom, a nitro group or a cyano group.
一种由以下一般式(I)表示的螺环哌啶-萘氧噁啉化合物作为光变化化合物具有很大价值:##STR1## 其中(a)R.sub.1代表C1-C18烷基,C7-C15芳基烷基,可能被取代,C1-C10烯基或C6-C15芳基,可能被取代,(b)R.sub.2到R.sub.9代表上述定义的R.sub.1基团,氢原子,或者一个C5-C10脂环或一个环庚烷基或金刚烷基基团,其在一个骨架碳原子上或在相邻骨架碳原子之间(在邻位)连接,(c)R.sub.10代表C1-C18烷基,C7-C15芳基烷基,可能被取代,或C1-C10烯基,以及(d)R.sub.11到R.sub.16代表氢原子,C1-C9烷基,C1-C5烷氧基,卤素原子,硝基基团或氰基团。