Synthesis and characterization of one-handed helical oligo(o-phenylene)s: control of axial chirality by planar chiral [2.2]paracyclophane,Chemical Communications

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Synthesis and characterization of one-handed helical oligo(o-phenylene)s: control of axial chirality by planar chiral [2.2]paracyclophane
Chemical Communications ( IF 4.3 ) Pub Date : 2024-01-10 , DOI: 10.1039/d3cc05000a
Asuka Yanagawa ₁ , Ryo Inoue ₁ , Yasuhiro Morisaki ₁

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Optically active oligo(o-phenylene)-layered molecules were synthesized from planar chiral enantiopure [2.2]paracyclophane. Their structures and optical properties were characterized by experimental and theoretical approaches. The axial chiralities between phenylene rings of the oligo(o-phenylene)s were controlled by the planar chirality to form one-handed helical structures. The o-quinquephenyl-layered molecule was emissive, and circularly polarized luminescence was observed with a high anisotropy factor (|g_lum| value) of 0.012.

中文翻译：

单手螺旋低聚（邻亚苯基）的合成和表征：平面手性[2.2]对环芳烷控制轴向手性

由平面手性对映体纯[2.2]对环芳烷合成光学活性低聚（邻亚苯基）层状分子。通过实验和理论方法表征了它们的结构和光学性质。低聚(邻亚苯基)的亚苯基环之间的轴向手性受平面手性控制，形成单手螺旋结构。邻五苯层状分子具有发射性，观察到圆偏振发光_{，各向异性因子（|glum} |值）高达0.012。

更新日期：2024-01-10

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