申请人:SHOWA DENKO KABUSHIKI KAISHA
公开号:EP0388660A2
公开(公告)日:1990-09-26
Disclosed is a photochromic compound of the formula (I):
wherein (a) X is C or N, (b) R₁ is a C₁₋₁₈ alkyl, aralkyl having C₁₋₅ alkyl, C₂₋₁₀ alkoxyalkyl, C₂₋₁₀ alkenyl, phenyl, benzyl, substituted phenyl or substituted benzyl, (c) R₂ and R₃ are a group as defined above with respect to R₁ , H, C₅₋₁₀ alicyclic, norbornyl or adamantyl, (d) R₄ is H, C₁₋₁₈ alkyl, aralkyl having C₁₋₅ alkyl, C₁₋₁₈ heteroalkyl or C₂₋₁₀ alkenyl, (e) R₅ and R₇ are H, C₁₋₉ alkyl, C₁₋₅ alkoxy, halo, nitro or cyano, and (f) R₆ is H, C₁₋₁₀ alkylamino, phenylamino, benzylamino, substituted phenylamino, substituted benzylamino or C₄₋₁₂ cyclic amino, with the proviso that when X is C, R₆ is not H.
本发明公开了一种式 (I) 的光致变色化合物:
其中 (a) X 是 C 或 N,(b) R₁ 是 C₁₋₁₈烷基、具有 C₁₋₅烷基的芳烷基、C₂₋₁₀ 烷氧基烷基、C₂₋₁₀ 烯基、苯基、苄基、取代的苯基或取代的苄基,(c) R₂和 R₃ 是被定义为如上式的基团、(c) R₂和 R₃是上文就 R₁、H、C₅₋₁₀脂环族、降冰片烷基或金刚烷基所定义的基团, (d) R₄ 是 H、C₁₋₁₈ 烷基、C₁₋₁₈杂烷基或 C₂₋₁₀ 烯基,(e) R₅ 和 R₇ 是 H、C₁₋₉ 烷基、C₁₋₅ 烷氧基、卤代、硝基或氰基,以及 (f) R₆ 是 H、C₁₋₁₀ 烷基氨基、苯基氨基、苄基氨基、取代苯基氨基、取代苄基氨基或 C₄₋₁₂ 环氨基,但当 X 为 C 时,R₆ 不是 H。