METHYLENE

作品数：214被引量：287H指数：9
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相关作者：赵慧玲王洪庆左丽李艳钟国跃更多>>
相关机构：武汉大学江西中医药大学中国医学科学院北京协和医学院广西医科大学更多>>
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Palladium-Catalyzed Intermolecular Functionalization of Unactivated Methylene C(sp^(3))—H Bonds
《有机化学》2025年第2期620-640,共21页Mingshun Mei Yanghui Zhang 
国家自然科学基金(22371211);上海市自然科学基金(23ZR1468700)。
Although transition metal-catalyzed methylene C(sp^(3))—H functionalization is a great challenge, it has made noticeable progress in recent years. This review specifically describes Pd-catalyzed intermolecular functi...
关键词：palladium catalysis C-H activation methylene C(sp^(3))-H activation CROSS-COUPLING 
Development of Methylene Bis-Benzotriazolyl Tetramethylbutylphenol-grafted lignin sub-microspheres loaded with TiO_(2) for sunscreen applications
《Journal of Bioresources and Bioproducts》2024年第4期534-547,共14页Yarong Li Zhiguang Tang Xiaohan Zhou Junhua Zhang Xueping Song Kai Li Wei Liu Zhanying Zhang 
support for this work by Natural Science Foundation of Guangxi Province,China(No.2021GXNSFDA196006);National Natural Science Foundation of China(No.22268007;No.21766002);Guangxi Innovation Driven Development Special Fund Project,China(No.AA17204092).
Lignin serves as a promising Ultraviolet(UV)absorber within sunscreen industry.However,the commercial development of lignin-containing sunscreens faces challenges due to their low sun protection factor(SPF)and dark co...
关键词：LIGNIN GRAFT Submicron sphere TiO_(2) Anti-UV performance Color 
Ethylenediamine tetramethylenephosphonic acid boosting the electrocatalytic interface construct and proton transfer for high-temperature polymer electrolyte membrane fuel cells
《Journal of Energy Chemistry》2024年第12期159-164,共6页Dongcai Zhang Yangyang Zhou Yanwei Zhu Shiqian Du Gen Huang Jiaqi Lin Peng Long Tehua Wang Li Tao Xian-Zhu Fu Shuangyin Wang 
financially supported by the National Key R&D Program of China (2021YFA 1500900);the National Natural Science Foundation of China (Grant No.:22425021, 22102053);the Provincial Natural Science Foundation of Hunan (2024JJ2012);the Science and Technology Innovation Program of Hunan Province (Grant Nos.2022RC1036);the Top ten Technological Breakthrough Projects in Hunan Province (2023GK1050);the Guangdong Basic and Applied Basic Research Foundation (2024A1515012889);the Shenzhen Science and technology program (JCYJ20210324122209025);the Major Program of the Natural Science Foundation of Hunan Province(2021JC0006)。
High-temperature polymer electrolyte membrane fuel cells (HT-PEMFCs) show excellent application prospects due to its enhanced tolerance of hydrogen impurity.However,the sluggish electrode kinetics caused by its ineffi...
关键词：Fuel cells Electrocatalytic interface ELECTROCATALYSTS Activity Pt 
Palladium-Catalyzed Selective Syntheses of 2,3-Allenyl Amines via Double Functionalization Coupling of 2-Alkynyl-1,4-diol Dicarbonates
《Chinese Journal of Chemistry》2024年第19期2357-2362,共6页Zhengnan Zhou Can Li Shengming Ma 
National Natural Science Foundation of China(No.21988101)is greatly appreciated.
Comprehensive Summary 2,3-Allenyl amines have shown wide applicability in biomedical and synthetic applications.Due to their enormous potential for applications,researchers have been dedicated to the development of me...
关键词：Pd catalysis 2 3-Allenyl amine Alk-2-yn-1 4-diol dicarbonate Organoboronic acid 1 2 3-Triene Methylene-π-allyl palladium species Regioselectivity CHEMOSELECTIVITY 
Small moleculeα-methylene-γ-butyrolactone,an evolutionarily conserved moiety in sesquiterpene lactones,ameliorates arthritic phenotype via interference DNA binding activity of NF-κB
《Acta Pharmaceutica Sinica B》2024年第8期3561-3575,共15页Kegang Linghu Wenqing Cui Taiqin Li Yueting Tuo Dasong Wang Huiqi Pan Tian Zhang Ligen Lin Hua Yu Xiaoxia Hu Haiyang Li Xiangchun Shen 
support by the National Natural Science Foundation of China(82260801);China Postdoctoral Science Foundation(2023M730815,China);Excellent Young Talents Plan of Guizhou Medical University(2023110,China);the Guizhou Provincial Scientific and Technologic Innovation Base([2023]003,China);the High Level Innovation Talents(GCC[2023]048,China);Science and Technology Development Fund,Macao SAR(0159/2020/A3,China);Guizhou Provincial Science and Technology Project(ZK[2024]152,China);Guizhou Provincial Health Commission Science and Technology Foundation(gzwkj2023-153,China)are gratefully acknowledged.
Rheumatoid arthritis(RA)is an inflammatory disease accompanied by abnormal synovial microenvironment(SM).Sesquiterpene lactones(SLs)are the main anti-inflammatory ingredients of many traditional herbs utilized in RA t...
关键词：a-Methylene-gbutyrolactone Rheumatoid arthritis NF-κB p65 Synovial microenvironment Sesquiterpene lactones 
Technetium-99m-methylene diphosphonate single photon emission computed tomography/computed tomography combined with prostate-specific antigen/free prostate-specific antigen ratio for bone metastasis of prostate cancer被引量：1
《World Journal of Clinical Cases》2024年第20期4082-4090,共9页Jian He Yi-Pu Zhong Shuang Zhang 
BACKGROUND Prostate cancer(PC)is one of the most common malignant tumors in men,and bone metastasis is one of its common complications,which seriously affects the quality of life and prognosis of patients.AIM To inves...
关键词：Matrix metalloproteinase 9 Single photon emission computed tomography Prostate-specific antigen to free prostate-specific antigen ratio Prostate cancer Bone metastasis 
Enhanced energy storage characteristics of the epoxy film with rigid phenyl-flexible etherified methylene chains被引量：5
《Journal of Materials Science & Technology》2024年第16期12-22,共11页Zhengdong Wang Mengli Li Botao Liu Ganqiu Yang Meng Luo Tong Zhang Ling Li Yonghong Cheng Zirui Jia Guanglei Wu 
funding from the National Natural Science Foundation of China(nos.52307028,52301192,and 52377026);State Key Laboratory of Electrical Insulation and Power Equipment Open Project(no.EIPE22210);Shaanxi Provincial Science and Technology Department Youth Foundation(no.2022JQ-300);Shaanxi Province Industry-University-Research Collaborative Innovation Plan(no.2023YFBT-45-02);Taishan Scholars and Young Experts Program of Shandong Province(no.tsqn202103057);the Qingchuang Talents Induction Program of Shandong Higher Education Institution(Research and Innovation Team of Structural-Functional Polymer Composites);Special Financial of Shandong Province(Structural Design of High-efficiency Electromagnetic Wave-absorbing Composite Materials and Construction of Shandong Provincial Talent Teams)。
The introduction of highly polarized flexible segments into polymer molecular chains is an effective means to improve the dielectric constant and mechanical flexibility of polymers,which is important for improving the...
关键词：Epoxy film Amine hardeners Flexible side chain Thermodynamic properties Dielectric properties Energy storage performance 
Type I photosensitizer based on AIE chromophore tricyano-methylene-pyridine for photodynamic therapy
《Green Chemical Engineering》2023年第3期324-330,共7页Chao Pan Weijun Zhao Xiaolei Zhao Zhenxing Liu Xiangyu Li Yanting Lyu Xupeng Wu Zhirong Zhu Wei-Hong Zhu Qi Wang 
supported by the NSFC Science Center Program (21788102);NSFC/China (91959202, 21974047, and 21622602);Shanghai Municipal Science and Technology Major Project (2018SHZDZX03)
Image guided photodynamic therapy(PDT)combines fluorescence tracing and phototherapy,which can achieve a more accurate and effective treatment effect.However,traditional photosensitizers are limited by the aggregation...
关键词：Aggregation-induced emission Near-infrared emission Photodynamic therapy Type I ROS 
Synergistic effect of diethylene triamine penta(methylene phosphonic acid) and graphene oxide barrier on anti-scaling and anti-corrosion performance of superhydrophobic coatings
《Frontiers of Materials Science》2023年第3期131-144,共14页Mingliang Zhu Hongwei Li Ruixia Yuan Huijuan Qian Huaiyuan Wang 
supported by the National Science Foundation for Distinguished Young Scholars of China(Grant No.51925403);the Major Research Plan of the National Natural Science Foundation of China(Grant No.91934302);the National Natural Science Foundation of China(Grant Nos.21676052 and 21606042);the Natural Science Foundation of Heilongjiang Province(Grant No.LH2022B001);the Science Research Foundation of Daqing Normal University(Grant No.2021ZR02).
In this study,a novel diethylene triamine penta(methylene phosphonic acid)(DTPMPA)-and graphene oxide(GO)-modified superhydrophobic anodized aluminum(DGSAA)coating was fabricated.The obtained coatings were characteriz...
关键词：ANTI-SCALING ANTI-CORROSION DTPMPA graphene oxide synergistic effect BARRIER 
Ethylenediamine tetramethylenephosphonic acid as a selective collector for the improved separation of chalcopyrite against pyrite at low alkalinity被引量：4
《International Journal of Mining Science and Technology》2023年第7期873-882,共10页Jianjun Wang Gaogui Jing Renji Zheng Zijie Huang Wei Sun Zhiyong Gao 
financial supports from the Key Program for International S&T Cooperation Projects of China (No. 2021YFE0106800);the National Natural Science Foundation of China (No. U2067201);the Leading Talents of S & T Innovation of Hunan Province, China (No. 2021RC4002);the Science Fund for Distinguished Young Scholars of Hunan Province, China (No. 2020JJ2044);the Key Research and Development Program of Hunan Province, China (No. 2021SK2043);the National 111 Project, China (No. B14034)。
Chalcopyrite is the main Cu-containing mineral and cannot be separated well from pyrite using traditional xanthate collectors with large amounts of lime depressant, resulting in difficulties of the tailing treatment a...
关键词：CHALCOPYRITE PYRITE Flotation Ethylenediamine tetramethylenephosphonic acid COLLECTOR 
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