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Chromene-based Bio AIEgens:'in-water' synthesis,regiostructure-dependent fluorescence and er-specific imaging

National Science Review 2023年第11期10卷 118-127页

作者： Xu-Min Cai Yuting Lin Jianyu Zhang Ying Li Zhenguo Tang Xuedan Zhang Ying Jia Wenjin Wang Shenlin Huang Parvej Alam Zheng Zhao Ben Zhong Tang Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsCollege of Chemical EngineeringNanjing Forestry University School of Science and Engineering Shenzhen Institute of Aggregate Science and TechnologyThe Chinese University of Hong KongShenzhen(CUHK-Shenzhen) Department of Chemistry Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and ReconstructionThe Hong Kong University of Science and Technology Clinical Translational Research Center of Aggregation-Induced Emission School of MedicineThe Second Affiliated HospitalSchool of Science and EngineeringThe Chinese University of Hong KongShenzhen(CUHK-Shenzhen)

Exploration of artificial aggregation-induced emission luminogens(AIEgens) has garnered extensive interest in the past two decades. In particular, AIEgens possessing natural characteristics(BioAIEgens) have received more attention recently due to the advantages of biocompatibility, sustainability and ***, the extremely limited number of BioAIEgens extracted from natural sources have retarded their development. Herein, a new class of Bio AIEgens based on the natural scaffold of chromene have been facilely synthesized via green reactions in a water system. These compounds show regiostructure-,polymorphism-and substituent-dependent fluorescence, which clearly illustrates the close relationship between the macroscopic properties and hierarchical structure of aggregates. Due to the superior biocompatibility of the natural scaffold, chromene-based BioAIEgens can specifically target the endoplasmic reticulum(er) via the introduction of tosyl amide. This work has provided a new chromene scaffold for functional BioAIEgens on the basis of green and sustainable ’in-water’ synthesis, applicable regiostructure-dependent fluorescence, and effective er-specific imaging.

关键词： chromene BioAIE ‘in-water’ chemistry regiostructure dependence er-specific imaging

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