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Showing 1–6 of 6 results
Advanced filters: Author: Li-Qing Ren Clear advanced filters

  • Even though chiroptical luminophores have high potential for optoelectronic innovation and precision bioimaging, their rational engineering remains constrained by synthetic limitations. Here, the authors report a streamlined and programmable asymmetric synthesis platform enabling systematic construction of boron-stereogenic boron dipyrromethenes (BODIPYs) with near-infrared chiroptical activity.

    • Jiayi Zhao
    • Li-Qing Ren
    • Chuan He
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • Despite the growing demand for optically active boron dipyrromethenes (BODIPYs), which are useful in live cell imaging, photodynamic therapy, and fluorescent materials science, the synthesis of chiral 3-amino-BODIPYs remains a challenge. Herein, the authors report the first synthesis of boron-stereogenic 3-amino-BODIPYs via a palladium-catalyzed desymmetric C–N cross-couplings.

    • Baoquan Zhan
    • Li-Qing Ren
    • Chuan He
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-8

  • BODIPYs possessing boron-stereogenic centres are rare and it is challenging to develop catalytic methodologies to enantioselectively prepare these molecules. Now, a palladium-catalysed desymmetric intramolecular C–H arylation reaction for the enantioselective synthesis of boron-stereogenic BODIPYs is reported, which gives access to various six- to nine-membered chiral boron heterocycles with good enantioselectivity.

    • Bing Zu
    • Yonghong Guo
    • Chuan He
    Research
    Nature Synthesis
    Volume: 2, P: 564-571

  • Boron dipyrromethenes (BODIPYs) have found widespread applications owing to their spectroscopic and photophysical properties, but strategies for the synthesis of enantioenriched boron-stereogenic BODIPYs are lacking. Now a modular enantioselective assembly of multi-substituted boron-stereogenic BODIPYs via a Pd-catalysed desymmetric Suzuki coupling has been developed, giving access to a range of highly functionalized chiral BODIPYs.

    • Li-Qing Ren
    • Baoquan Zhan
    • Chuan He
    Research
    Nature Chemistry
    Volume: 17, P: 83-91

  • Visualizing catalytic processes at the nanoscale is crucial to establish structure–activity relations, but remains very challenging. Here, hydrogen spillover is revealed with a 10 nm spatial resolution during hydrogenation of chloronitrobenzenethiol on a bimetallic Pd/Au catalyst by means of tip-enhanced Raman spectroscopy.

    • Hao Yin
    • Li-Qing Zheng
    • Renato Zenobi
    Research
    Nature Catalysis
    Volume: 3, P: 834-842

  • Tetracoordinate boron molecules are the key intermediates in many organoboron-related chemical transformations. Now, using alkynyl tetracoordinate boron species, a nickel-catalysed asymmetric 1,3-metallate shift towards axial chirality has been developed, giving access to various axially chiral alkenes in high efficiency.

    • Li-Qing Ren
    • Chuan He
    News & Views
    Nature Chemistry
    Volume: 16, P: 8-9