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学者姓名：李远明
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Abstract ：
Efficient synthetic methods are urgently needed to produce graphene nanoribbons (GNRs) with diverse structures and functions. Precise control over the topological edges of GNRs is also crucial for achieving diverse molecular topologies and desirable electro-optical properties. This study demonstrates a highly efficient "shotgun" synthesis of thiophene-backbone arcuate GNRs, offering a significant advantage over tedious iterative synthesis. This method utilizes a one-pot, three component Suzuki-Miyaura coupling for the precursor, followed by a Scholl reaction for cyclization. The resulting arcuate GNRs have sulfur atoms embedded in the carbon backbone with a combined armchair, cove, and fjord edge structure. This multi-edge architecture is further modified by high-yield oxidation of the electron-rich sulfur atoms to electron-deficient sulfones, enabling precise regulation of the GNRs' electronic properties. These arcuate GNRs with diverse edge structures, heteroatom doping and precise lengths open exciting avenues for their application in optoelectronic devices.
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| GB/T 7714 | Zhang, Ruiying , Chen, Xinyu , Zhu, Lingyun et al. Thiophene-backbone arcuate graphene nanoribbons: shotgun synthesis and length dependent properties [J]. | CHEMICAL SCIENCE , 2025 , 16 (17) : 7366-7373 . |
| MLA | Zhang, Ruiying et al. "Thiophene-backbone arcuate graphene nanoribbons: shotgun synthesis and length dependent properties" . | CHEMICAL SCIENCE 16 . 17 (2025) : 7366-7373 . |
| APA | Zhang, Ruiying , Chen, Xinyu , Zhu, Lingyun , Huang, Yanxia , Zhai, Zi'ang , Wang, Qiang et al. Thiophene-backbone arcuate graphene nanoribbons: shotgun synthesis and length dependent properties . | CHEMICAL SCIENCE , 2025 , 16 (17) , 7366-7373 . |
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We present an approach for ortho C(sp2)-H acylation and intramolecular amination reactions, employing 4amino-benzotriazole (ABTA) as a bidentate directing group. This method is facilitated by a palladium catalyst in combination with iodobenzene diacetate. Our approach efficiently yields acetoxylation and intramolecular amination products from a variety of acylamide substrates, including arylcarboxamides and arylacetamides.
Keyword ：
4-Amino-benzotriazole 4-Amino-benzotriazole Acetoxylation Acetoxylation C-H activation C-H activation Intramolecular amination Intramolecular amination
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| GB/T 7714 | Wang, Zhuo , Li, Chengqian , Fan, Yupeng et al. 4-Aminobenzotriazole directed palladium-catalyzed C-H acetoxylation and intramolecular amination reaction [J]. | TETRAHEDRON , 2025 , 173 . |
| MLA | Wang, Zhuo et al. "4-Aminobenzotriazole directed palladium-catalyzed C-H acetoxylation and intramolecular amination reaction" . | TETRAHEDRON 173 (2025) . |
| APA | Wang, Zhuo , Li, Chengqian , Fan, Yupeng , Hu, Jianliang , Huang, Wangsheng , Li, Yuanming et al. 4-Aminobenzotriazole directed palladium-catalyzed C-H acetoxylation and intramolecular amination reaction . | TETRAHEDRON , 2025 , 173 . |
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Employing spirophenanthrenes and phenanthrenone as template arenes for annulative pi-extension (APEX), we synthesized a series of spiro-fused dibenzo[g,p]chrysenes (DBCs) in high yields. Experimental and theoretical investigations highlight the distinct advantages of spiro-DBCs, including characteristic fluorescence properties (412 nm) and enhanced thermal stability. This study provides insights into the electronic structure and potential applications of spiro-DBCs in organic functional materials.
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| GB/T 7714 | Song, Kanghui , Zhang, Yuying , Wu, Shuai et al. Spiro-fused dibenzo[g,p]chrysene: annulative π-extension (APEX) synthesis and properties [J]. | ORGANIC CHEMISTRY FRONTIERS , 2025 , 12 (7) : 2225-2231 . |
| MLA | Song, Kanghui et al. "Spiro-fused dibenzo[g,p]chrysene: annulative π-extension (APEX) synthesis and properties" . | ORGANIC CHEMISTRY FRONTIERS 12 . 7 (2025) : 2225-2231 . |
| APA | Song, Kanghui , Zhang, Yuying , Wu, Shuai , Yang, Sha , Wei, Shengchen , Chen, Songhua et al. Spiro-fused dibenzo[g,p]chrysene: annulative π-extension (APEX) synthesis and properties . | ORGANIC CHEMISTRY FRONTIERS , 2025 , 12 (7) , 2225-2231 . |
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Two o-carborane based tetraphenylethene (TPE) cationic cyclophanes O1·4PF6 and O2·4PF6 were synthesized through an SN2 reaction. Their structures were confirmed both possessing Z-shaped cavities in single crystal analysis. The optical properties of these macrocycles were systematically investigated using UV–vis spectroscopy and fluorescence techniques. It is worth noting that the introduction of a methoxy group to the TPE unit enables the synthesis of a near-infrared-emitting macrocycle O2·4PF6. The recognition behaviors of these two macrocycles towards nucleotides were investigated using various techniques including fluorescence titration, UV–vis titration, and transmission electron microscopy (TEM). Interestingly, these cyclophanes exhibited aggregation-induced emission (AIE) effects in water or under the induction of nucleotides. © 2024
Keyword ：
AIE effect AIE effect Cationic cyclophanes Cationic cyclophanes Nucleotides Nucleotides o-Carborane o-Carborane Tetraphenylethene Tetraphenylethene
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| GB/T 7714 | Chen, R. , Liu, J. , Lin, C. et al. Synthesis and properties of tetraphenylethene cationic cyclophanes based on o-carborane skeleton [J]. | Chinese Chemical Letters , 2024 , 35 (12) . |
| MLA | Chen, R. et al. "Synthesis and properties of tetraphenylethene cationic cyclophanes based on o-carborane skeleton" . | Chinese Chemical Letters 35 . 12 (2024) . |
| APA | Chen, R. , Liu, J. , Lin, C. , Li, Y. , Geng, Y. , Yuan, Y. . Synthesis and properties of tetraphenylethene cationic cyclophanes based on o-carborane skeleton . | Chinese Chemical Letters , 2024 , 35 (12) . |
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This work aimed to develop organic photocatalysts (PCs) that could mediate organocatalytic atom transfer radical polymerization (O-ATRP) under visible light. Through the core-modification of known chromophoric structures and ring-locking to reach a conjugation extension, annulated N-aryl benzo[kl]acridines were identified as effective visible light-responsive photocatalysts. The corresponding selenium-doped structure showed excellent performance in the O-ATRP of methacrylates, which could afford polymer products with controlled molecular weights and low dispersities under the irradiation of visible light at a 100 ppm catalyst loading.
Keyword ：
ATRP ATRP extended conjugation extended conjugation organocatalysis organocatalysis photocatalysts photocatalysts visible light visible light
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| GB/T 7714 | Shao, H. , Long, R. , Xu, H. et al. The Development of Visible-Light Organic Photocatalysts for Atom Transfer Radical Polymerization via Conjugation Extension [J]. | Molecules (Basel, Switzerland) , 2024 , 29 (12) . |
| MLA | Shao, H. et al. "The Development of Visible-Light Organic Photocatalysts for Atom Transfer Radical Polymerization via Conjugation Extension" . | Molecules (Basel, Switzerland) 29 . 12 (2024) . |
| APA | Shao, H. , Long, R. , Xu, H. , Sun, P. , Wang, G. , Li, Y. et al. The Development of Visible-Light Organic Photocatalysts for Atom Transfer Radical Polymerization via Conjugation Extension . | Molecules (Basel, Switzerland) , 2024 , 29 (12) . |
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Polyferrocene macrocycles hold immense potential in the fields of molecular electronics and electrochemistry, primarily due to their multiple metal centers. However, developing highly efficient synthetic strategies for constructing these rings remains a significant challenge. In this study, we successfully synthesized triferrocenyl macrocycles using Pt-mediated coupling strategy and determined their configuration using single-crystal X-ray diffraction analysis, revealing a structure reminiscent of the Penrose Stair. We comprehensively investigated the macrocycle’s structure, photophysical properties, and employed density functional theory (DFT) calculations to gain further insights. Notably, this macrocycle exhibits several advantageous features, including a flexible structure, good solubility, and a highly efficient synthetic pathway. (Figure presented.). © Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH 2024.
Keyword ：
Conjugated macrocycle Conjugated macrocycle Organometallic macrocycle Organometallic macrocycle Pt-template method Pt-template method
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| GB/T 7714 | Xu, J. , Lan, B. , Zhu, L. et al. Synthesis and Properties of Ferrocene Conjugated Macrocycles with Illusory Topology of the Penrose Stairs [J]. | Chemical Research in Chinese Universities , 2024 , 40 (5) : 881-886 . |
| MLA | Xu, J. et al. "Synthesis and Properties of Ferrocene Conjugated Macrocycles with Illusory Topology of the Penrose Stairs" . | Chemical Research in Chinese Universities 40 . 5 (2024) : 881-886 . |
| APA | Xu, J. , Lan, B. , Zhu, L. , Xu, H. , Chen, X. , Li, W. et al. Synthesis and Properties of Ferrocene Conjugated Macrocycles with Illusory Topology of the Penrose Stairs . | Chemical Research in Chinese Universities , 2024 , 40 (5) , 881-886 . |
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Abstract ：
研究生教育是高等教育的最高层次,是衡量一个国家高等教育竞争力的关键标志,是拔尖创新人才自主培养的主渠道.为了提高人才培养质量,在"以学生为中心,注重科学思维培养,注重科研能力培养以及注重国际视野培养"的教学思想指导下,针对有机结构分析课程教学过程中存在的难点问题,从"教学理念的国际化、教学内容的国际化、教学团队的国际化、教学方法的国际化"等方面进行创新教学实践,取得了一系列成果,有效地提升了学生的科研水平,对于创新型人才的培养起到了积极的推动作用.
Keyword ：
国际化视野 国际化视野 学生为中心 学生为中心 有机结构分析 有机结构分析 研究生教学 研究生教学
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| GB/T 7714 | 袁耀锋 , 叶克印 , 徐春发 et al. 在研究生课程的教学中注重国际视野的培养 [J]. | 大学化学 , 2024 , 39 (6) : 145-150 . |
| MLA | 袁耀锋 et al. "在研究生课程的教学中注重国际视野的培养" . | 大学化学 39 . 6 (2024) : 145-150 . |
| APA | 袁耀锋 , 叶克印 , 徐春发 , 晏宏 , 李远明 . 在研究生课程的教学中注重国际视野的培养 . | 大学化学 , 2024 , 39 (6) , 145-150 . |
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Abstract ：
This work aimed to develop organic photocatalysts (PCs) that could mediate organocatalytic atom transfer radical polymerization (O-ATRP) under visible light. Through the core-modification of known chromophoric structures and ring-locking to reach a conjugation extension, annulated N-aryl benzo[kl]acridines were identified as effective visible light-responsive photocatalysts. The corresponding selenium-doped structure showed excellent performance in the O-ATRP of methacrylates, which could afford polymer products with controlled molecular weights and low dispersities under the irradiation of visible light at a 100 ppm catalyst loading.
Keyword ：
ATRP ATRP extended conjugation extended conjugation organocatalysis organocatalysis photocatalysts photocatalysts visible light visible light
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| GB/T 7714 | Shao, Hui , Long, Runzhi , Xu, Hui et al. The Development of Visible-Light Organic Photocatalysts for Atom Transfer Radical Polymerization via Conjugation Extension [J]. | MOLECULES , 2024 , 29 (12) . |
| MLA | Shao, Hui et al. "The Development of Visible-Light Organic Photocatalysts for Atom Transfer Radical Polymerization via Conjugation Extension" . | MOLECULES 29 . 12 (2024) . |
| APA | Shao, Hui , Long, Runzhi , Xu, Hui , Sun, Pan , Wang, Guangrong , Li, Yuanming et al. The Development of Visible-Light Organic Photocatalysts for Atom Transfer Radical Polymerization via Conjugation Extension . | MOLECULES , 2024 , 29 (12) . |
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The synthesis, structure, and size-dependent properties of ferrocene-embedded conjugated macrocycles are described. The one-pot, two-component "shotgun" synthesis greatly expands the structural diversity and functionality of nanohoops. These eta 5-type coordination metal-nanohoops exhibit intriguing properties, including reversible redox behavior and collisional quenching with fullerenes. Notably, the addition of oxidants enhances their fluorescence intensity, while fullerenes quench it. Detailed theoretical and experimental studies reveal that fine-tuning the nanohoop size significantly influences not only the molecular conformation but also its electronic structure and photophysical properties. Ferrocene-based conjugated macrocycles were efficiently synthesized by a "shotgun" approach. The fluorescence intensity of the macrocycles can be modulated in two intriguing ways: enhancement by adding an oxidant and quenching by adding fullerenes.
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| GB/T 7714 | Zhu, Lingyun , Xu, Jingdong , Lan, Bin et al. Ferrocene-based conjugated macrocycles: shotgun synthesis, size-dependent properties and tunable fluorescence intensity [J]. | ORGANIC CHEMISTRY FRONTIERS , 2024 , 11 (18) : 5130-5137 . |
| MLA | Zhu, Lingyun et al. "Ferrocene-based conjugated macrocycles: shotgun synthesis, size-dependent properties and tunable fluorescence intensity" . | ORGANIC CHEMISTRY FRONTIERS 11 . 18 (2024) : 5130-5137 . |
| APA | Zhu, Lingyun , Xu, Jingdong , Lan, Bin , Chen, Xinyu , Kono, Hideya , Xu, Hui et al. Ferrocene-based conjugated macrocycles: shotgun synthesis, size-dependent properties and tunable fluorescence intensity . | ORGANIC CHEMISTRY FRONTIERS , 2024 , 11 (18) , 5130-5137 . |
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Motivated by the success of 9,9 '-spirobifluorene (SBF) in optoelectronic materials, we synthesized a novel spiro compound, spirophenanthrene (SP). Incorporating a phenanthrene unit as the core, we aimed to leverage the pi-conjugation of SPs to surpass the limitations of SBF. Experimental and theoretical studies revealed significant advantages over SBF, including red-shifted wavelengths, tunable LUMO energy levels, and enhanced thermal stability. These advantages suggest the potential of SPs as versatile building blocks for diverse optoelectronic devices.
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| GB/T 7714 | Zhang, Yuying , Song, Kanghui , Wang, Tongtong et al. The Synthesis and Properties of Spirophenanthrene [J]. | JOURNAL OF ORGANIC CHEMISTRY , 2024 , 89 (17) : 12044-12048 . |
| MLA | Zhang, Yuying et al. "The Synthesis and Properties of Spirophenanthrene" . | JOURNAL OF ORGANIC CHEMISTRY 89 . 17 (2024) : 12044-12048 . |
| APA | Zhang, Yuying , Song, Kanghui , Wang, Tongtong , Wu, Shuai , Xu, Gang , Liao, Saihu et al. The Synthesis and Properties of Spirophenanthrene . | JOURNAL OF ORGANIC CHEMISTRY , 2024 , 89 (17) , 12044-12048 . |
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