两个被苯基（13-丁基-6,7-二甲氧基-3,3-双（6-甲氧基联苯-3-基）-3,13-二氢苯并[ h ]茚满[2,1- f ]铬烯取代的新型异构萘并吡喃-13-ol）和4-（萘-1-基）苯基（13-丁基-6,7-二甲氧基-3,3-双[6-甲氧基-4'-（萘基）联苯-3-基]合成了-3，13-二氢苯并[ h ]茚满[2，1- f ]铬n-13-ol）部分。研究了它们的光致变色，电化学和荧光性质。它们显示出比13-丁基-6,7-二甲氧基-3,3-双（4-甲氧基苯基）-3,13-二氢苯并[ h ]茚满[2,1- f ]更快的褪色速率和更大的荧光量子产率] chromen-13-ol。此外，它们在溶液和聚甲基丙烯酸甲酯薄膜中均显示出优异的光致变色和荧光性质。另外，循环伏安法测试表明芳族取代基对萘并吡喃衍生物的电化学行为具有显着影响。
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Synthesis and photochromic properties of new naphthopyrans
Two novel isomeric naphthopyrans substituted with phenyl (13-butyl-6,7-dimethoxy-3,3-bis(6-methoxybiphenyl-3-yl)-3,13-dihydrobenzo[h]indeno[2,1-f]chromen-13-ol) and 4-(naphthalen-1-yl)phenyl (13-butyl-6,7-dimethoxy-3,3-bis[6-methoxy-4'-(naphthalenyl)-biphenyl-3-yl]-3,13-dihydrobenzo[h]indeno[2,1-f]chromen-13-ol) moieties were synthesized. Their photochromism, electrochemical and fluorescent properties were investigated. They displayed faster color fading rate and larger fluorescence quantum yield than 13-butyl-6,7-dimethoxy-3,3-bis(4-methoxyphenyl)-3,13-dihydrobenzo[h]indeno[2,1-f]chromen-13-ol. Moreover, they showed excellent photochromic and fluorescent properties both in solution and in polymethylmethacrylate film. In addition, cyclic voltammetry tests showed that the aromatic substituents had a significant effect on the electrochemical behavior of the naphthopyran derivatives.
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