Synthesis and Characterization of Monoisomeric 1,8,15,22-Substituted (A<sub>3</sub>B and A<sub>2</sub>B<sub>2</sub>) Phthalocyanines and Phthalocyanine−Fullerene Dyads
Synthesis and characterization of three phthalocyanine−fullerene (Pc-C60) dyads, corresponding monoisomeric phthalocyanines (Pc), and buildingblocks, phthalonitriles, are described. Six novel bisaryl phthalonitriles were prepared by the Suzuki−Miyaura coupling reaction from trifluoromethanesulfonic acid 2,3-dicyanophenyl ester and various oxaborolanes. Two phthalonitriles were selected for the synthesis
描述了三种酞菁-富勒烯(Pc -C 60)二元化合物,相应的单体异构体酞菁(Pc)和结构单元邻苯二甲腈的合成和表征。通过Suzuki-Miyaura偶联反应,由三氟甲磺酸2,3-二氰基苯基酯和各种氧杂硼烷制备了六种新颖的双芳基邻苯二甲腈。选择两种邻苯二甲腈用于合成A 3 B-型和A 2 B 2-型酞菁。邻苯二甲腈4具有庞大的3,5-二-叔-在邻苯二甲酸位置的丁基丁基取代基,仅迫使一种区域异构体形成并大大提高了酞菁的溶解度。邻苯二甲腈8在α位具有3-苯基丙醇侧链,使得可以进一步修饰侧基。合成的单体异构体A 3 B和A 2 B 2型酞菁通过丙二酸残基的连接而被修饰。最后,富勒烯通过一个或两个丙二酸桥与酞菁共价连接,生成Pc -C 60二元组。由于酞菁类化合物的异构体结构和增加的溶解度,化合物的NMR光谱质量得到了显着提高,从而使详细的NMR分析成为可能。合成的二元化合物具有不同的酞菁和富勒烯取