NHC

作品数:90被引量:56H指数:4
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相关领域:理学更多>>
相关作者:曹昌盛史延慧孙亚光陈万芝庄永忠更多>>
相关机构:江苏师范大学中国科学院郑州大学中国科学院大学更多>>
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相关基金:国家自然科学基金河北省自然科学基金湖北省自然科学基金国家重点基础研究发展计划更多>>
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Modular assembly of complex C-alkyl glycoside enabled via cooperative NHC and photoredox catalysis
《Science China Chemistry》2025年第4期1412-1417,共6页Rui-Qiang Jiao Ming Li Xi Chen Mei-Ze Xu Tian Ding Xiao-Ping Gong Zhuo-Mei Li Xue-Yuan Liu Yong-Min Liang 
supported by the National Natural Science Foundation of China(22171114 and 22371097).
C-Alkyl glycosides are found in natural products and are indispensable in drug development programs;owing to their diverse range of medicinal properties. Two-component reactions involving glycosyl radical addition are...
关键词:C-alkyl glycosides THREE-COMPONENT NHC catalysis visible-light photoredox catalysis radical-radical coupling 
Asymmetric construction of axial and planar chirality with N-heterocyclic carbene(NHC)organocatalysis
《Science China Chemistry》2025年第3期815-825,共11页Meng Zhang Xiaoqun Yang Xiaolin Peng Xiangyang Li Zhichao Jin 
supported by the National Natural Science Foundation of China (22371057,32172459,32330087);the National Key Research and Development Program of China (2022YFD-1700300);the Science and Technology Department of Guizhou Province (Qiankehejichu-ZK (2021)Key033);the Frontiers Science Center for Asymmetric Synthesis and Medicinal Molecules,Department of Education,Guizhou Province (Qianjiaohe KY (2020)004);the Central Government Guides Local Science and Technology Development Fund Projects (Qiankehezhongyindi (2024)007, (2023)001);the Program of Major Scientific and Technological,Guizou Province (Qiankehechengguo (2024)zhongda007);the Program of Introducing Talents of Discipline to Universities of China (111 Program,D20023)at Guizhou University;the Yongjiang Plan for Innovation and Entrepreneurship Leading Talent Project in the City of Nanning (2021005);Guizhou University (China)。
N-heterocyclic carbene(NHC)organocatalytic reactions that have been developed for asymmetric construction of axial and planar chirality are systematically summarized and discussed in this review.The challenges and lim...
关键词:N-heterocyclic carbene axial chirality planar chirality asymmetric synthesis ORGANOCATALYSIS 
含氮杂环卡宾(NHC)配体的金(Ⅰ)配合物发光材料的研究进展
《化工新型材料》2025年第3期53-57,共5页易源海 毛茂 周芷晴 李慧杨 
国家自然科学基金(22205265);广州市基础与应用基础研究项目(2023A04J1553);广东省科技创新战略专项资金(大学生科技创新培育)一般项目(pdjh2024b205)。
自有机发光二极管(OLED)诞生以来,科学家一直致力于开发高效的发光材料,力求获得更优越的器件性能。近年来,含有氮杂环卡宾(NHC)的金(Ⅰ)配合物,通过搭配合适的给体单元(如酰胺、炔基、芳基),不仅能够展现出超快的辐射衰减速率,还能实...
关键词:发光材料 金(Ⅰ)配合物 有机发光二极管 热活化延迟荧光 氮杂环卡宾 
基于航位推算的车载组合导航系统NHC杆臂估计算法
《北京航空航天大学学报》2025年第2期668-675,共8页邓成剑 陈起金 张提升 牛小骥 
国家自然科学基金(41974024)。
车辆运动的非完整性约束(NHC)可用作车载组合导航系统的速度观测信息,能够有效抑制惯性导航系统(INS)的误差累积。充分发挥NHC的约束作用需要准确估计和补偿IMU安装角和NHC杆臂。因此对NHC杆臂进行研究,通过三维航位推算(dead reckoning...
关键词:车载组合导航系统 航位推算 非完整性约束 NHC杆臂 IMU安装角 
城市遮挡环境下NHC增强GNSS/INS深组合系统研究
《无线电工程》2025年第1期105-112,共8页沈聪 高铭 陈夏兰 刘玥 
中国科学院青促会优秀会员(E03314020D);中国科学院科研仪器设备研制项目(YJKYYQ20200069)。
在卫星信号完全中断的情况下,全球导航卫星系统(Global Navigation Satellite System,GNSS)/惯性导航系统(Inertial Navigation System,INS)深组合系统只能依靠纯INS进行导航定位,中断时间越长INS累积误差越大,导致信号恢复后环路难以...
关键词:城市复杂环境 信号中断 深组合 非完整性约束 
NHC催化的超远端芳基C-H位点选择性酰化反应
《科学通报》2024年第28期4155-4157,共3页刘燕青 李俊龙 
催化新策略的开发为C-H键的多样化修饰提供了经济、高效且可持续的新兴技术[1].尽管近端的C-H键活化已经取得了显著的发展和进步,但是高选择性的远端惰性C-H键官能化一直是有机合成领域的重要挑战之一.
关键词:有机合成 高选择性 选择性酰化 近端的 芳基 官能化 新兴技术 发展和进步 
氮杂环卡宾(NHC)催化[3+2]环加成反应高非对映选择性地构建螺氧吲哚二氢呋喃稠合吡唑啉酮化合物
《有机化学》2024年第4期1301-1310,共10页刘岩 王晓梅 何林 李师伍 赵志飞 
国家自然科学基金(No.22101188);石河子大学(Nos.2022ZK003,RCZK202001)资助项目。
在氮杂环卡宾(NHC)催化下,靛红衍生的烯醛与吡唑啉酮4,5-二酮化合物经[3+2]环加成反应高效生成含连续两个螺中心的螺氧吲哚二氢呋喃稠合吡唑啉酮化合物.该反应具有很好的底物普适性,获得了中等到优异的产率(41%~99%)和一般到优良的非对...
关键词:氮杂环卡宾 环加成 螺环氧化吲哚 吡唑啉酮 
Cooperative NHC/Photoredox Catalysis:Three-Component Reaction of Aroyl Fluorides,Styrenes and Oxalates
《Chinese Journal of Chemistry》2024年第5期511-515,共5页Zheng Lin Guanghui Lv Jianghong Liu Jiangyan Tang Binsong Mu Jian Chen Tianle Huang Zhongzhen Yang Yong Wu 
supported by Sichuan Science and Technology Program(No.2020YJ0221).
Cooperative NHC/photoredox catalysis has emerged as an important research field in recent years.Herein,this article describes the use of cesium salt derivatives of tert-alcohols as alkyl radical precursors in a three-...
关键词:Three-component PHOTOREDOX NHC Aryl ketones Iridium Radical C—C coupling AMIDES 
Four-coordinate disilyl cobalt(Ⅱ)complexes with NHC ligation:Synthesis,characterization,and reactivity被引量:1
《Chinese Chemical Letters》2024年第3期292-298,共7页Lan Zhou Dongyang Wang Chengbo Yang Liang Deng 
supported by the National Key Research and Development Program of the Ministry of Science and Technology of China(No.2021YFA1500203);Natural Science Foundation of China(Nos.22231010,22061160464,21821002,and 22201290);Shanghai Sailing Program(No.22YF1458200)。
Silyl cobalt species are putative intermediates in cobalt-catalyzed transformations of hydrosilanes.However,their reactivity has remained poorly understood.Reported here is the investigation on four-coordinate disilyl...
关键词:Disilyl COBALT N-Heterocyclic carbene Four-coordinate 
C_(Ar)-Br bond cleavage via cooperative EnT/NHC catalysis: mild access to indolines
《Science China Chemistry》2024年第3期922-927,共6页Yi-Xiong Dong Cao-Bo Li Ming-Lei Jin Zhong-Hua Gao Song Ye 
supported by the National Natural Science Foundation of China(22071253,21831008);the Beijing National Laboratory for Molecular Sciences(BNLMS-CXXM-202003)。
The cooperative visible-light mediated and NHC-catalyzed dearomative arylation-acylation of N-(2-bromobenzoyl)indoles with aldehydes was developed, affording the corresponding highly functionalized polycyclic indoline...
关键词:energy transfer N-heterocyclic carbenes PHOTOCATALYSIS aryl radicals INDOLINES 
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