Cyclization of Tetraaryl-Substituted Benzoquinones and Hydroquinones through the Scholl Reaction
作者:Qun Ye、Zhen Zhang、Zhuang Mao Png、Wei Teng Neo、Tingting Lin、Huining Zeng、Hui Xu、Jianwei Xu
DOI:10.1021/acs.joc.6b01785
日期:2016.10.7
phen-2′-yl)benzoquinone and 2,3,5,6-tetrakis(5′-dodecylthiophen-2′-yl)-1,4-bis(dodecyloxy)benzene underwent the Scholl reaction to give their corresponding predictable cyclization products anthra[2,1-b:3,4-b′:6,5-b″:7,8-b‴]tetrathiophene-7,14-dione (3) and anthra[1,2-b:4,3-b′:5,6-b″:8,7-b‴]tetrathiophene (5), respectively. Cyclization of 2,3,4,5-tetra(p-tert-butyl-phenyl) benzoquinones through the
经由Still或通过Stille制备2,3,5,6-四(5'-十二烷基噻吩-2-基)-苯醌和2,3,5,6-四(5'-十二烷基噻吩-2'-基)-氢醌在芳基为十二烷基硫基苯基的情况下,进行铃木交叉偶联反应,然后用2,3-二氯-5,6-二氰基-1,4-苯醌(DDQ)氧化。2,3,5,6-四(5'-十二烷基噻吩-2'-基)苯醌和2,3,5,6-四(5'-十二烷基噻吩-2'-基)-1,4-双(十二烷氧基)基)苯经历了Scholl反应,得到其相应的可预测的环化产物蒽[2,1- b:3,4- b ':6,5- b “:7,8- b '''] tetrathiophene -7,14-二酮(3)和anthra [1,2- b:4,3- b ':5,6- b '' :8,7-b ‴] tetrathiophene(5)分别。2,3,4,5-四(环化p -叔丁基-苯基)苯醌通过Scholl反应,然而,就产生