METATHESIS

作品数：46被引量：34H指数：3
导出分析报告
相关领域：理学更多>>
相关作者：戴伟民赖明澈肖侬刘芳陈志广更多>>
相关机构：国防科学技术大学南方科技大学香港科技大学更多>>
相关期刊：《Chinese Journal of Polymer Science》《Modern Research in Catalysis》《International Journal of Smart and Nano Materials》《Chinese Journal of Reactive Polymers》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划泰国研究基金辽宁省自然科学基金更多>>
-
在结果中检索

检索结果分析

结果分析中...
共 条 记 录，以下是1-10
全选清除导出
参考文献引证文献引用追踪
视图：
排序：
Linear Viscoelasticity of ABA-type Vitrimer Based on Dioxaborolane Metathesis
《Chinese Journal of Polymer Science》2024年第10期1495-1504,I0010,共11页Shi-Long Wu Huan-Huan Yang Quan Chen 
financially supported by the National Natural Science Foundation of China(Nos.22173095 and 52103021)。
In this study,we synthesized a series of ABA-type vitrimers by crosslinking the short A moieties of precursors with a bifunctional crosslinker and evaporating the small molecular byproduct.The vitrimer samples thus pr...
关键词：Polymer rheology Linear viscoelasticity ABA-type vitrimer Relaxation mechanism Kinetics and thermodynamics 
A novel reprocessable chloroprene rubber based on dynamic disulfide metathesis
《International Journal of Smart and Nano Materials》2024年第1期42-61,共20页Jianliang Jiang Junxue Zhai Yanqing Chen Dongqi Zhao Yakai Feng 
For sustainable application of chloroprene rubber(CR),a new technology is developed by the vulcanization of CR using 2,2'-dithiodipyridine(DPD)as a cross-linking agent with the repro-cessing performance owing to disul...
关键词：Chloroprene rubber reprocessable Menschutkin reaction DISULFIDE 
Mechanistic Studies on Programmed C—O/C—H Activation with Valence-Adjusted Ti-Complexes被引量：1
《Chinese Journal of Chemistry》2023年第9期1015-1022,共8页Si-Jun Xie Yun-Shu Cui Yi-Fei Huang Feng Liu Dan-Dan Zhai Zhang-Jie Shi 
support from the National Natural Science Foundation of China(Nos.21988101,21881220232,21811530004,21761132027,22071029,22201044,U19B6002);Key-Area Research and Development Program of Guangdong Province(2020B010188001).
Two-electron reduction of[N_(2)NBn]Ti^(Ⅳ)Cl2(3)gave a highly reactive[N_(2)N]Ti^(Ⅱ)species,which underwent C—O bond activation of THF(tetrahydrofuran)to generate[N2NBn]Ti^(Ⅳ)[O(CH2)4](4)through oxidative addition....
关键词：Reaction mechanisms Valence-adjusted Ti-complexes C—O oxidative addition C—H activation METATHESIS 
Hydrogenation of Alkenes Catalyzed by Rare-Earth Metal Phosphinophosphinidene Complexes:1,2-Addition/Elimination Versusσ-Bond Metathesis Mechanism
《CCS Chemistry》2022年第10期3309-3318,共10页Bin Feng Hao-Yu Zhang Hongling Qin Qian Peng Xuebing Leng Yaofeng Chen 
supported by the National Natural Science Foundation of China(nos.21732007,21890721,21821002,21890722,and 21950410519);the Natural Science Foundation of Tianjin Municipality(nos.19JCJQJC62300 and 18JCYBJC21400);the Tianjin Research Innovation Project for Postgraduate Students(no.2019YJSB081);the Frontiers Science Center for New Organic Matter[Nankai University(no.63181206)];the K.C.Wong Education Foundation,and the Shanghai Municipal Committee of Science and Technology.
Rare-earth metal complexes have been used as catalysts for many types of reactions.However,the mechanistic studies showed that basically,these various reactions proceeded withσ-bond metathesis of RE–E bond(RE:rare-e...
关键词：rare-earthmetal PHOSPHINIDENE ALKENE HYDROGENATION reaction mechanism density functional theory calculations 
Cross-metathesis of biomass to olefins:Molecular catalysis bridging the gap between fossil and bio-energy被引量：1
《Chinese Journal of Chemical Engineering》2022年第8期44-60,共17页Wenjuan Yan Zhenchao You Kexin Meng Feng Du Shuxia Zhang Xin Jin 
supported by the National Natural Science Foundation of China(22078365,22008262);Natural Science Foundation of Shandong Province(ZR2020QB187);Postdoctoral Research Funding of Shandong Province(201703016);Qingdao Postdoctoral Research Funding(BY20170210);the Development Fund of State Key Laboratory of Heavy Oil Processing(20CX02204A);new faculty start-up funding from the China University of Petroleum(YJ201601058)。
Terminal olefins are important building blocks for the industry of biofuels,oligomers,and lubricants production.The industrial processes for production of olefins involving oligomerization of ethylene or cracking of p...
关键词：METATHESIS Catalysts Metal complex Metal oxide OLEFINS OLEOCHEMICALS 
Arene C-H Iodination Using Aryl Iodides
《CCS Chemistry》2022年第6期1889-1900,共12页Shangda Li Chunhui Zhang Lei Fu Hang Wang Lei Cai Xiaoxi Chen Xinchao Wang Gang Li 
NSFC(grant nos.22022111 and 22071248);the Natural Science Foundation of Fujian Province(grant nos.2020J02008 and 2020J01108);the Youth Innovation Promotion Association of the Chinese Academy of Sciences(grant no.2020306);the Strategic Priority Research Program of the Chinese Academy of Sciences(grant no.XDB20000000).
Metathesis reactions represent powerful synthetic tools that have been used in a number of fields from the synthesis of natural product to functional material preparation.However,the C-H metathesis reaction is extreme...
关键词：formal metathesis C-H iodination aryl iodide site-selective carboxyl directing group 
Stereodivergent Synthesis of Carbocyclic Quaternary α-Amino Acid Derivatives Containing Two Contiguous Stereocenters被引量：1
《Chinese Journal of Chemistry》2022年第9期1059-1065,共7页Cong Fu Qi Xiong Lu Xiao Ling He Tian Bai Zongpeng Zhang Xiu-Qin Dong Chun-Jiang Wang 
We are grateful for financial support from the National Natural Science Foundation of China(Grant Nos.21772147,22071186,22071187);the Natural Science Foundation of Hubei Province(Grant Nos.2020CFA036,2021CFA069);the Natural Science Foundation of Jiangsu Province(Grant No.BK20190213).
A novel approach to stereodivergent synthesis of carbocyclicα-quaternary amino acid derivatives,bearing two contiguous stereocenters,is proposed through sequential dual Cu/Ir-catalyzed asymmetric allylation and ring-...
关键词：Asymmetric catalysis ENANTIOSELECTIVITY Amino acids ALLYLATION METATHESIS 
Thermal- and Light-driven Metathesis Reactions Between Different Diselenides
《Chemical Research in Chinese Universities》2022年第2期516-521,共6页KANG Xiaoying YUAN Yuan XU Huaping CHEN Yulan 
supported by the National Natural Science Foundation of China(Nos.21734006,21975178).
Thermal- and light-driven diselenide metathesis reactions with different types of diselenides are investigated systematically. Their exchange reaction rates and equilibrium conversions are compared in the aspects of t...
关键词：Dynamic covalent bond METATHESIS DISELENIDE 
From Polymerization Inhibition to Controlled Ring-Opening Metathesis Polymerization of Macromonomers with Tertiary Amine Groups:The Effect of Spacer Chain
《Chinese Journal of Chemistry》2021年第7期1927-1935,共9页Tengda Zhao Kongying Zhu Xiaoliang Yu Xiaoyan Yuan Lixia Ren 
This work was supported by the National Natural Science Foundation of China(No.52073201).
Main observation and conclusion Ring-opening metathesis polymerization(ROMP)is a powerful toolbox in preparation of bottlebrush polymers for its high activity.However,the ROMP of macromonomers with repeating tertiary ...
关键词：Bottlebrush polymers METATHESIS Polymerization inhibition Ring-opening polymerization AMINES 
Synthesis of Cyclic Polyolefin: Ring-Opening Metathesis Polymerization by Binuclear Vanadium Complexes被引量：2
《Chinese Journal of Chemistry》2021年第5期1181-1187,共7页Xiaohua Hou Xiaojian Chen Xiang Gao Lei Xu Hui Zou Li Zhou Zong-Quan Wu 
the National Natural Science Foundation of China(No.21901057);the Anhui Provincial Natural Science Foundation(No.1908085QB62);the Fundamental Research Funds for the Central Universities of China(No.PA2020GDSK0070);the National Natural Science Foundation of China(No.51803045).
Ring-opening metathesis polymerization(ROMP)of norbornene by binuclear vanadium alkylidene in-situ formed from dialkyl complexes was investigated.Higher activities were observed by the binuclear system than mononuclea...
关键词：METATHESIS POLYMERIZATION Homogeneous catalysis CARBENES VANADIUM 
全选清除导出
共5页<12345>
检索报告 对象比较 聚类工具 使用帮助 返回顶部