N-ALKYLATION

作品数：24被引量：20H指数：2
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相关领域：理学化学工程更多>>
相关作者：王超杨颖更多>>
相关机构：北京大学更多>>
相关期刊：《Journal of Materials Science & Technology》《Chinese Journal of Biomedical Engineering(English Edition)》《Science China Chemistry》《Chemical Research in Chinese Universities》更多>>
相关基金：国家自然科学基金浙江省自然科学基金浙江省“钱江人才计划”北京市自然科学基金更多>>
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Triple Aza[6]helicenes with Circularly Polarized Luminescence:N-Alkylation as a Tool to Tune the Chiroptical Properties
《有机化学》2024年第9期2841-2846,共6页Xia Yufei Jiang Li Yang Qiao Yu Xiu Chen Fengkun 
国家自然科学基金(No.22171044)资助项目.
Recently,multiple helicenes have attracted enormous attention due to their exceptionally distorted conjugated architectures,appealing optical properties and unique spatial stacking patterns.The electronic and optical ...
关键词：HELICENE multiple heterohelicene chiral resolution circularly polarized luminescence ALKYLATION 
Synergistic roles of platinum nanoparticles and sodium ions within beta zeolites in N-alkylation of amines with aromatic alcohols
《Science China Chemistry》2023年第9期2690-2699,共10页Yue Wu Shibo Xi Cailing Chen Qizhi Hu Zhuo Xiong Jianyue Wang Yihu Dai Yu Han Shi Jiang Jun Wang Yu Zhou 
supported by the National Natural Science Foundation of China (22178162, 22108116, 22072065, and 22222806);the Distinguished Youth Foundation of Jiangsu Province (BK20220053);the Six talent peaks project in Jiangsu Province (JNHB035);Natural Science Foundation of Jiangsu Province (BK20200688);State Key Laboratory of Materials-Oriented Chemical Engineering-Open Fund (KL20-07)。
N-alkylation of amines with alcohols is a promising green route for the synthesis of N-alkylamines, but the designation of highly active and stable heterogeneous catalysts remains one challenge. In this work, we initi...
关键词：heterogeneous catalysis ZEOLITE AMINES N-ALKYLATION nano catalysts 
Strong dual-state emission of unsymmetrical and symmetrical thiazolothiazole-bridged imidazolium salts被引量：1
《Chinese Chemical Letters》2023年第3期415-418,共4页Puhui Xie Ying Zhou Xiaochuan Li Xiaojing Liu Lijie Liu Zhanqi Cao Jianji Wang Xin Zheng 
National Natural Science Foundation of China(Nos.U20041101,21772034,U1704251);the Top-notch Personnel Fund of Henan Agricultural University(No.30500418)for financial support。
A novel thiazolothiazole-bridged imidazole derivative(1) was found to exhibit blue fluorescence in gaseous state or in methanol and yellow fluorescence in solid state. The N-alkylation of imidazole subunit(s) in 1 usi...
关键词：Dual-state fluorescence Unsymmetrical TTz-bridged imidazolium Water solubility N-Alkylation of imidazole Twisted and rigid structures 
Practical N-alkylation via homogeneous iridium-catalyzed direct reductive amination
《Science China Chemistry》2023年第2期518-525,共8页Jing Wang Wenji Wang Xiongyu Yang Jingwen Liu Haizhou Huang Mingxin Chang 
supported by the National Natural Science Foundation of China(21772155);the National Key R&D Program of China(2020YFA0907901);the Scientific Fund of Northwest A&F University and Postdoctoral Science Foundation of China(2019M663827)。
Direct reductive amination(DRA)is one of the most efficient methods for amine synthesis.Herein we report a practical homogeneous DRA procedure utilizing iridium catalysis.Applying simple,readily available and inexpens...
关键词：homogeneous catalysis HYDROGENATION Iridium catalysis N-ALKYLATION reductive amination 
Selective C-C bonds formation,N-alkylation and benzo[d]imidazoles synthesis by a recyclable zinc composite被引量：2
《Chinese Chemical Letters》2022年第1期266-270,共5页Guanxin Zhu Zheng-Chao Duan Haiyan Zhu Dongdong Ye Dawei Wang 
financial support of this work by the National Natural Science Foundation of China(Nos.21776111,21861039);State Key Laboratory of Pulp and Paper Engineering(No.202001);Central Laboratory,School of Chemical and Material Engineering,Jiangnan University。
Earth abundant metals are much less expensive,promising,valuable metals and could be served as catalysts for the borrowing hydrogen reaction,dehydrogenation and heterocycles synthesis,instead of noble metals.The unifo...
关键词：Unsymmetrical ZINC Borrowing hydrogen RECYCLABILITY SELECTIVE 
Effects of N-alkylation on anticorrosion performance of doped polyaniline/epoxy coating被引量：6
《Journal of Materials Science & Technology》2020年第4期48-55,共8页Suyun Liu Li Liu Ying Li Fuhui Wang 
financially supported by the National Natural Science Foundation of China(Nos.51622106 and 51871049).
N-alkylation of sulfosalicylic acid-doped polyaniline(PANI-SSA)was used to promote the anticorrosion performance of PANI-SSA/epoxy coating for 5083 Al alloy.PANI-SSA was modified with C5H11Br and C12H25Br in polar sol...
关键词：POLYANILINE COATING MODIFICATION Al alloy ANTICORROSIVE PROPERTY 
Selective N-Alkylation of 2-Amino-4H-chromene-3-carbonitrile Derivatives with Alcohols Catalyzed by AlCl3 Under the Assistance of CH3COOH
《Chemical Research in Chinese Universities》2019年第6期997-1001,共5页ZHAO Bing HE Yuqian KAN Wei KONG Fengqiao WANG Liyan SONG Bo WANG Wenbo YIN Guangming WANG Jianxin 
Supported by the National Natural Science Foundation of China(Nos.21506106,21978410);the Natural Science Foundation of Heilongjiang Province,China(No.LC2017004);the Echelon Reserve Leader Fund for the Leading Talent of Heilongjiang Province,China;the Fundamental Research Project for Universities in Heilongjiang Province,China(Nos.135209209,135209220,LTSW201735,YSTSXK201853,YSTSXK201859);the Graduate Innovation Foundation of Qiqihar University,China(NO.YJSCX2018-ZD18).
A highly efficient and selective N-alkylation reaction of 2-amino-4H-chromene-3-carbonitrile derivatives using various alcohols as alkylation agent were developed in the presence of AlCl3 as a catalyst as well as CH3C...
关键词：A/-Alkylation Alcohol A1C13 CH3COOH 
Cascade N-Alkylation/Hemiacetalization for Facile Construction of the Spiroketal Skeleton of Acortatarin Alkaloids with Therapeutic Potentiality in Diabetic Nephropathy
《Natural Products and Bioprospecting》2015年第1期37-45,共9页Pei Cao Zhen-Jie Li Wen-Wu Sun Shashwat Malhotra Yuan-Liang Ma Bin Wu Virinder S.Parmar 
the“Hundred Talents Project”of Chinese Academy of Science and“High-end Science and Technology Talents Program”’of Yunnan Province(2011HA008)。
The concise building of the spiroketal core of acortatarin-type alkaloids as potential therapeutic agents in diabetic nephropathy was established in four steps,through a tandem N-alkylation/hemiacetalization between p...
关键词：Acortatarin alkaloids Diabetic nephropathy N-alkylation/hemiacetalization Halomethylation Chiral lactones 
Direct N-alkylation of amines with alcohols using AlCl_3 as a Lewis acid被引量：2
《Chinese Chemical Letters》2014年第12期1540-1544,共5页Ya-Qiong Li Yun-Bin Chen Zhi-Zhen Huang 
Financial supports from MOST of China(973 program,No. 2011CB808600);National Natural Science Foundation of China(Nos.21072091 and 21372195);the Low Carbon Fatty Amine Engineering Research Center of Zhejiang Province(No. 2012E10033)
A substitution reaction of amines with alcohols for N-alkylated amines has been developed using inexpensive AlCl3without any ligand or additive.Either aromatic or aliphatic amines and primary or secondary alcohols per...
关键词：Amine Alcohol N-Alkylated amine Lewis acid Synthesis 
An Efficient and Simple Method for Stereoselective Synthesis of N-Substituted Iminosugars from D-Xylose Derivative
《Chinese Journal of Chemistry》2014年第4期361-364,共4页Jichao Zhang Wen Yuan Xiaofeng Ma Haibo Wang Huawu Shao 
This work was supported by the National Natural Science Foundation of China(Nos.21372215 and 20972151).
A series of new N-substituted iminosugars were successfully synthesized through a general synthetic route from D-xylose derivative.This approach provided a convenient access to the synthesis of N-alkylated iminosugars...
关键词：IMINOSUGARS stereoselective synthesis N-ALKYLATION reductive amination Michael addition 
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