Synthesis and characterization of mesogenic triphenylene-perylene dyads with phenoxy-alkoxy linkers

Synthesis and characterization of mesogenic triphenylene-perylene dyads with phenoxy-alkoxy linkers
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具有苯氧基-烷氧基连接基的介晶苯并菲-苝二元组的合成和表征

DOI:
10.1080/15421406.2017.1328218
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发表时间:
2017-06
影响因子:
0.7
通讯作者:
Liu Wenting
Liu Wenting
中科院分区:
化学4区
文献类型:
--
作者:
Kong Xiangfei;Dai Shengping;Wang Guixia;Zhang Zhouyang;Zhang Laiqi;Liao Peihai;Liu Wenting

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摘要合成了三种新的含苯氧基烷氧基的三苯并二元化合物(PdI-OPhO-CN-O-TP6,n=6,8,10),并用FT-IR、MS、~(13)C和~1H核磁共振对其结构进行了表征。用偏光显微镜(POM)和差示扫描量热法(DSC)研究了这些化合物的介晶性质。结果表明,二元组分(PDI-OPhO-CN-O-TP6,n=6,8)在加热过程中只表现为热致柱状中间相,而二元组分(PDI-OPhO-C10-O-TP6,n=6,8)在加热和降温过程中均表现为对映柱状中间相。
ABSTRACT Three novel triphenylene-perylene dyads with phenoxy-alkoxy linkers (PDI-OPhO-Cn-O- TP6, n = 6, 8, 10) have been synthesized and characterized by FT-IR, MS, 13C, and 1H NMR. The mesomorphic properties of these compounds were investigated by polarizing optical microscopy (POM) and differential scanning calorimetry (DSC). It was found that the dyads (PDI-OPhO-Cn-O-TP6, n = 6, 8) only showed thermotropic columnar mesophase in the heating process, while the dyad (PDI-OPhO-C10-O-TP6) showed enantiotropic columnar mesophase in both heating and cooling processes.
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