AMINOCATALYSIS

作品数：6被引量：1H指数：1
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Characterization and Monitoring of Transient Enamine Radical Intermediates in Photoredox/Chiral Primary Amine Synergistic Catalytic Cycle
《CCS Chemistry》2024年第10期2420-2426,共7页Shixue Zhang Liang Cheng Jian-Qing Qi Zongbin Jia Long Zhang Lei Jiao Xingwei Guo Sanzhong Luo 
provided by the Tsinghua University Dushi Program,China,the National Natural Science Foundation of China(grant nos.22031006,22193011,22373056,and 22393891);the Haihe Laboratory of Sustainable Chemical Transformations,China,and the National Science&Technology Fundamental Resource Investigation Program of China(grant no.2023YFA1500008).
Enamine-derived radicals are crucial intermediates in singly occupied molecular orbital(SOMO)catalysis.However,observing them directly is elusive and remains a long-standing challenge.Here,an advanced time-resolved el...
关键词：AMINOCATALYSIS radical chemistry electron paramagnetic resonance direct observation time-resolved technique 
Electricity-driven enantioselective cross-dehydrogenative coupling of two C(sp^(3))-H bonds enabled by organocatalysis
《Chinese Chemical Letters》2024年第9期130-134,共5页Yuemin Chen Yunqi Wu Guoao Wang Feihu Cui Haitao Tang Yingming Pan 
National Natural Science Foundation of China(Nos.22161008,22061003);Guangxi Science and Technology Base and Talent Project(High Level Innovative Talents and Team Training)(Guike No.AD23026094);Guangxi Natural Science Foundation of China(No.2021GXNSFFA220005)for financial support。
An efficient and scalable electrochemical asymmetric protocol with metal-free catalysts and even without additional oxidants for the cross-dehydrogenative coupling reaction(CDC)of two C(sp^(3))-H bonds is reported.A s...
关键词：AMINOCATALYSIS ELECTROCHEMISTRY Asymmetric catalysis CDC of C(sp^(3))-H bonds 
Understanding how charge-charge interaction affects the stereochemistry of enamine fluorination by chiral primary amine catalysis
《Science China Chemistry》2023年第10期2828-2835,共8页Yanfang Han Kai Yang Long Zhang Sanzhong Luo Jin-Pei Cheng 
supported by the National Natural Science Foundation of China (22373056, 22031006);the Haihe Laboratory of Sustainable Chemical Transformations (YYJC202113);the National Science & Technology Fundamental Resource Investigation Program of China (2018FY201200);supported by the National Program of Top-notch Young Professionals。
Electrostatic interaction, especially electrostatic attraction, usually plays critical roles in controlling the reactivity and selectivity in catalytic transformations;however, the like-charge repulsion, which is ubiq...
关键词：AMINOCATALYSIS FLUORINATION like-charge repulsion iso-inversion temperature ion-pair effect 
New Amines and Activation Modes in Asymmetric Aminocatalysis
《Chinese Journal of Chemistry》2021年第7期1775-1786,共12页Zhi-Chao Chen Wei Du Ying-Chun Chen 
We are grateful for the financial support from the NSFC(21931006 and 21961132004);the Fundamental Research Funds for the Central Universities,and China Postdoctoral Science Foundation(2019M663488);Postdoctoral Foundation of Sichuan University(2020SCU12019).
Asymmetric aminocatalysis has become one of the most powerful strategies for the transformations of carbonyl substances over the past two decades.Here,we describe the research from our laboratory that significantly ex...
关键词：ORGANOCATALYSIS AMINOCATALYSIS Amine/thiol double catalysis CYCLOADDITION Domino reactions 
One-pot synthesis of salicylaldehyde containing biaryl frameworks via an aminocatalytic Diels-Alder-retro-Diels-Alder cascade reaction of ynals with 2-pyrones
《Green Synthesis and Catalysis》2020年第1期66-69,共4页Xixi Song Yueteng Zhang Peng Ji Fanxun Zeng Fangchao Bi Wei Wang 
The work was supported by the National Natural Science Foundation of China(No.21738002).
Salicylaldehyde containing biaryls are efficiently synthesized via an unprecedented amine promoted Diels-Alderretro-Diels-Alder cascade reaction of ynals with 2-pyrones in good yields.The reaction is instrumentally me...
关键词：AMINOCATALYSIS BIARYLS Cascade reactions Diels-Alder reaction Organocatalysis Ynals 
Asymmetric α-Alkylation of β-Ketocarbonyls via Direct Phenacyl Bromide Photolysis by Chiral Primary Amine被引量：1
《Chinese Journal of Chemistry》2018年第8期716-722,共7页Wenzhao Zhang Yunbo Zhu Long Zhang Sanzhong Luo 
We thank the National Natural Science Foundation of China （Nos. 21390400, 21672217 and 21521002） for financial support. S.L is supported by the National Program of Top-notch Young Professionals and Chinese Academy of Sciences （No. QYZDJSSWSLH023）. We thank Dr. Taishan Wang and Prof. Chunru Wang for their kindly help with EPR simulation.
Enantioselective α-photoalkylation of β-ketocarbonyls without any external photosensitizer was described in this work. The photoalkylation reactions, enabled solely by a chiral primary amine catalyst, provided conve...
关键词：PHOTOLYSIS AMINOCATALYSIS asymmetric alkylation β-ketocarbonyls 
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