申请人:KABUSHIKIKAISHA UENO SEIYAKU OYO KENKYUJO
公开号:EP0765858A1
公开(公告)日:1997-04-02
A naphthol derivative represented by the general formula (I) [wherein Y and Y' indicate -(CONH)n-X or -COR; X is a phenyl group, a naphthyl group, an anthraquinonyl group, a benzimidazolonyl group or a carbazolyl group; R is a hydroxyl group, an alkoxy group having 1 to 6 carbon atoms, a halogen atom, a benzyloxy group, a phenyloxy group or a phenacyloxy group; R2 is a hydrogen atom, an alkaline metal, an alkyl group having 1 to 6 carbon atoms, an acyl group having 1 to 6 carbon atoms or a phenylalkyl group; Z is a group selected from the group consisting of a hydrogen atom, a halogen atom, a nitro group, a nitroso group and an amino group (Z may be substituted on any ring of the naphthalene ring); and n is an integer of 1 or 2; provided that R2 and Z do not simultaneously indicate a hydrogen atom when both R simultaneously indicate a hydroxyl group], and a process for producing the same. This naphthol derivative can be used as raw materials for synthesis, such as dyes, pigments, photosensitive materials and the like.
通式(I)代表的萘酚衍生物[其中Y和Y'表示-(CONH)n-X或-COR;X是苯基、萘基、蒽醌基、苯并咪唑基或咔唑基;R 是羟基、1 至 6 个碳原子的烷氧基、卤素原子、苄氧基、苯氧基或苯乙氧基; R2 是氢原子、碱金属、1 至 6 个碳原子的烷基、1 至 6 个碳原子的酰基或苯基烷基;Z 是选自氢原子、卤素原子、硝基、亚硝基和氨基(Z 可在萘环的任何环上被取代)的基团;以及 n 是 1 或 2 的整数;条件是当两个 R 同时表示羟基时,R2 和 Z 不同时表示氢原子],以及生产该衍生物的工艺。这种萘酚衍生物可用作染料、颜料、感光材料等合成原料。