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Synthesis of Diverse 1,4-(Azaindole)[60] fullerenes via Transition- Metal Free Three-Component Coupling Reaction of azaindoles, C_(60), and Bromoalkanes/Triphenylamines

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Chinese Journal of Chemistry 2023年第22期41卷 2975-2980页

作者： Xinmin Huang Zi-Zheng Liu Jia-Qi Cheng Cheng-Yu Cao Peng-Cheng Li Jun Xuan Fei Li Department of Chemistry Anhui UniversityKey Laboratory of Structure and Functional Regulation of Hybrid Materials(Anhui University)Ministry of EducationAnhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials and Key Laboratory of Functional Inorganic Materials of Anhui ProvinceHefeiAnhui 230601China Department of Chemistry University of Science and Technology of ChinaHefeiAnhui 230026China

A transition-metal free three-component coupling reaction of azaindoles,C_(60),and bromoalkanes/triphenylamines has been developed to provide an efficient access to diverse azaindole functionalized 1,4-C_(60) *** prot... 详细信息

关键词： azaindoles Fullerenes 1,4-(Azaindole)fullerenes Transition-metal free Cross-coupling

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Base-Promoted Formylation and N-Difluoromethylation of azaindoles with Ethyl Bromodifluoroacetate as a Carbon Source

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Chinese Journal of Chemistry 2021年第6期39卷 1477-1482页

作者： Yang Li Ning Sun Cai-Lin Zhang Meng Hao Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries School of Environmental and Chemical EngineeringXi'an Polytechnic UniversityXi'anShaanxi 710048China

We reported for the first time that ethyl bromodifluoroacetate directly reacts with azaindole without transition metal catalysis to produce a difluoromethyl protected 5-aldehyde group product in one *** is worth mentioning that the reacted aldehyde group is only formed at the 5 *** addition,this method has good substrate applicability and functional group ***,we also carried out some mechanism auxiliary experiments,which confirmed that the aldehyde-based carbon comes from ethyl bromodifluoroacetate.

关键词： azaindoles C1 building blocks Difluoromethylene Hydrolysis Synthetic methods

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Rh(Ⅱ)-catalyzed intermolecular carboamination of pyridines via double Csp^(2)-H bond activations

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Science China Chemistry 2024年第1期67卷 374-382页

作者： Zhongfeng Luo Jingxing Jiang Lifang Zou Xiaoyu Zhou Junshan Liu Zhuofeng Ke Fengjuan Chen Huanfeng Jiang Wei Zeng Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical EngineeringSouth China University of TechnologyGuangzhou 510641China School of Materials Science and Engineering PCFM LabSun Yat-sen UniversityGuangzhou 510275China Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics School of Traditional Chinese MedicineSouthern Medical UniversityGuangzhou 510515China

We disclose the development of the Rh-catalyzed amine-directed remote 5,6-carboamination protocol of pyridines via dual Csp^(2)-H functionalizations.A variety of readily available 2-aminopyridines and 1,2,3-triazoles are allowed for coupling cyclization to access polyfunctionalized *** studies including DFT calculations unveil that relay carbenoidelectrophilic addition to pyridines and the sequential pyridyl Csp^(2)-H amination are involved in this *** postsynthetic utility of this methodology is showcased by versatile and site-selective modification of azaindoles.

关键词： Rh-catalysis azaindoles pyridyl Csp^(2)-H bond carboamination coupling-cyclization

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