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- W3109193071 endingPage "4357" @default.
- W3109193071 startingPage "4350" @default.
- W3109193071 abstract "Two types of helically chiral compounds bearing one and two boron atoms were synthesized by a modular approach. Formation of the helical scaffolds was executed by the introduction of boron to flexible biaryl and triaryl derived from small achiral building blocks. All-ortho-fused azabora[7]helicenes feature exceptional configurational stability, blue or green fluorescence with quantum yields (Φfl) of 18–24 % in solution, green or yellow solid-state emission (Φfl up to 23 %), and strong chiroptical response with large dissymmetry factors of up to 1.12×10−2. Azabora[9]helicenes consisting of angularly and linearly fused rings are blue emitters exhibiting Φfl of up to 47 % in CH2Cl2 and 25 % in the solid state. As revealed by the DFT calculations, their P–M interconversion pathway is more complex than that of H1. Single-crystal X-ray analysis shows clear differences in the packing arrangement of methyl and phenyl derivatives. These molecules are proposed as primary structures of extended helices." @default.
- W3109193071 created "2020-12-07" @default.
- W3109193071 creator A5020511877 @default.
- W3109193071 creator A5026400050 @default.
- W3109193071 creator A5027555170 @default.
- W3109193071 creator A5029693792 @default.
- W3109193071 creator A5073281072 @default.
- W3109193071 date "2021-01-26" @default.
- W3109193071 modified "2023-10-02" @default.
- W3109193071 title "Modular Synthesis of Organoboron Helically Chiral Compounds: Cutouts from Extended Helices" @default.
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