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[2.2]Paracyclophane-Substituted Triarylboranes Featuring Temperature-Sensitive Dual Fluorescence and Circularly
Meng-Yuan Zhang1, Chun-Ling Xin1, Shu-Fen Hou1
1College of Chemical Engineering and Environmental Engineering, Weifang University, Weifang 261061, P. R. China.
None:
New types of triarylborane compounds (Sp)-MCp, (Sp,Sp)-BCp, and (Sp,Sp,Sp)-TCp containing one to three (Sp)-4-dimethylamino [2.2]paracyclophane units at different phenyl rings of triarylborane were disclosed. These molecules exhibited obvious well-separated temperature-sensitive dual fluorescence characteristics in THF, which is promising and challenging for small organic luminescent molecules. In addition, they displayed intensive circularly polarized luminescence (CPL) signals with a luminescence dissymmetry factor (|glum|) that reached 10-3.
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