申请人:Vision-Ease Lens, Inc.
公开号:US20020080451A1
公开(公告)日:2002-06-27
A photochromic [1,2-b] naphthopyran having a fluoro substituent in at least one of the 7-position or the 9-position of the naphthopyran provides a stable photochromic compound with a narrow range of absorption. A preferred photochromic naphthopyran has the 2-position of the naphthopyran with two aromatic substituents thereon. It is further preferred to have at least one 2-position aromatic substituent comprising a phenyl group. The photochromic naphthopyran may also have at least one 2-position aromatic substituent comprise a phenyl group having one substituent selected from the group consisting of an anthranilyl, azepinyl, benzoxazolyl, dialkylamino, diazepinyl, diazolyl, imidazolidinyl, imidazolyl, imidazolinyl, indazolyl, indo eninyl, indolinyl, indolizinyl, indolyl, indoxazinyl, isobenzazolyl, isoindolyl, isooxazolyl, isooxazyl, isopyrrol, isoquinolyl, isothiazolyl, julolideno, morpholino, morpholinyl, oxadiazolyl, oxathiazolyl, oxathiazyl, oxathiolyl, oxatriazolyl, oxazolyl, piperazinyl, piperazyl, piperidyl, purinyl, pyranopyrrolyl, pyrazinyl, pyrazolidinyl, pyrazolinyl, pyrazolyl, pyrazyl, pyridazinyl, pyridazyl, pyridyl, pyrimidinyl, pyrimidyl, pyridenyl, pyrrolidinyl, pyrrolinyl, pyrroyl, quinolizinyl, quinocyclidinyl, quinolyl, thiazolyl, triazolyl and triazyl group.
光致变色萘([1,2-b]naphthopyran)的 7 位或 9 位上至少有一个氟取代基,这种光致变色化合物具有稳定的光致变色性能,吸收范围窄。一种优选的光致变色萘具有萘的 2 位和两个芳香取代基。进一步优选的是,至少有一个 2 位芳香取代基包含一个苯基。光致变色萘也可以具有至少一个 2 位芳香族取代基,该取代基包括一个苯基,该苯基具有一个选自以下组别的取代基:蒽基、氮杂吲哚基、苯并恶唑基、二烷基氨基、二氮杂吲哚基、三氮杂吲哚基、四氮杂吲哚基、五氮杂吲哚基、六氮杂吲哚基、七氮杂吲哚基、二烷基氨基、二氮平基、二氮唑基、咪唑烷基、咪唑啉基、吲唑基、吲哚烯基、吲哚啉基、吲哚嗪基、吲哚醇基、吲哚噁嗪基、异苯并唑基、异吲哚基、异噁唑基、异苄基、异吡咯基、异喹啉基、异噻唑基吡唑啉基、吡唑基、吡嗪基、哒嗪基、哒嗪基、吡啶基、嘧啶基、嘧啶基、吡啶烯基、吡咯烷基、吡咯烷基、喹嗪基、喹环啶基、喹啉基、噻唑基、三唑基和三唑基。