DIALKYL

作品数：72被引量：75H指数：5
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相关领域：理学更多>>
相关作者：杨欢曾方明屈凌波陈晓岚赵玉芬更多>>
相关机构：北京化工大学中国地质大学（武汉）中国科学院郑州大学更多>>
相关期刊：《Science China Earth Sciences》《Geoscience Frontiers》《Journal of Rare Earths》《Green Energy & Environment》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国家重点实验室开放基金Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry更多>>
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Highly efficient and cis-selective semihydrogenation of dialkyl alkynes with EtOH enforced by a catalyst-state induced color-change strategy
《Science China Chemistry》2025年第4期1392-1401,共10页Zhuangxing Li Guixia Liu Zheng Huang 
supported by the National Key R&D Program of China(2021YFA1501700);the National Natural Science Foundation of China(22425012,22072178,22293013,21821002);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB0610000);the CAS Project for Young Scientists in Basic Research(YSBR-094);the CAS Youth Interdisciplinary Team(JCTD-2021-11);Science and Technology Commission of Shanghai Municipality(23JC1404400).
Synthesis of valuable(Z)-1;2-dialkyl alkenes via cis-semihydrogenation of alkynes is often plagued by side reactions such as alkene isomerization and over-reduction.Here we report a catalyst-state induced color-change...
关键词：transfer hydrogenation alkyne semihydrogenation pincer iridium ethanol mechanism 
Erratum to:Holocene temperature variation recorded by branched glycerol dialkyl glycerol tetraethers in a loess-paleosol sequence from the north-eastern Tibetan Plateau
《Frontiers of Earth Science》2024年第2期460-461,共2页Tianxiao WANG Duo WU Tao WANG Lin CHEN Shilong GUO Youmo LI Chenbin ZHANG 
Erratum to:Front.Earth Sci.DOI 10.1007/s11707-023-1094-6 The original version of this article unfortunately contained a mistake.The presentation of was incorrect.The corrected figure is given below.
关键词：ALKYL corrected Plateau 
Iridium-Catalyzed Asymmetric Hydrogenation of Dialkyl Imines
《CCS Chemistry》2024年第4期905-911,共7页Zheng Wang Xin-Yi Yang Yue Xu Qi-Lin Zhou 
supported by the National Key R&D Program of China(grant no.2022YFA1504302);the National Natural Science Foundation of China(grant nos.22188101,91956000,and 92256301);the Fundamental Research Funds for the Central Universities,and the Haihe Laboratory of Sustainable Chemical Transformations.
Asymmetric hydrogenation of dialkyl imines to chiral amines is difficult because the two alkyls of imines are so similar in spatial and electronic structure that chiral catalysts are difficult to distinguish between t...
关键词：spiro PNP ligand iridium catalyst enantioselective hydrogenation dialkyl imines chiral amines 
Loading capacity and emulsification phenomena of HREE extraction by dialkylphosphinic acids with different β,γ,δ-substituents
《Journal of Rare Earths》2024年第1期191-199,I0007,共10页Junlian Wang Guodong Xu Wen Xu Jianguo Cui Yufu Chen Ziyong Chang 
Project supported by the National Natural Science Foundation of China(51974026,21301104);the State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization。
The relationship between dialkylphosphinic acid structure and their loading capacity for HREEs and emulsification phenomena has rarely been studied.In this paper,we took Lu extraction as an example to study the effect...
关键词：Heavy rare earth element Dialkylphosphinic acid EXTRACTION Loading capacity EMULSIFICATION 
Conventional Radical and RAFT Alternating Copolymerizations of Hydroxyalkyl Vinyl Ethers and Dialkyl Maleates
《Chinese Journal of Polymer Science》2023年第12期1856-1867,I0006,共13页Yan-Xin Zhang Dong Chen Gao-Fei Hu Yu-Hong Ma Wan-Tai Yang 
financially supported by the National Natural Science Foundation of China(No.22171017).
The alternating copolymerization of hydroxyalkyl vinyl ethers and dialkyl maleates is investigated by conventional radical polymerization and reversible addition-fragmentation chain transfer polymerization(RAFT).The i...
关键词：Radical polymerization Vinyl ethers MALEATES Alternating copolymer RAFT polymerization 
Holocene temperature variation recorded by branched glycerol dialkyl glycerol tetraethers in a loess-paleosol sequence from the north-eastern Tibetan Plateau
《Frontiers of Earth Science》2023年第4期1012-1025,共14页Tianxiao WANG Duo WU Tao WANG Lin CHEN Shilong GUO Youmo LI Chenbin ZHANG 
supported by the National Natural Science Foundation of China(Grant Nos.42171150 and 42130502);the Second Tibetan Plateau Scientific Expedition and Research Program(STEP)(No.2019QZKK0601).
Reconstructing Holocene temperature evolution is important for understanding present temperature variations and for predicting future climate change,in the context of global warming.The evolution of Holocene global te...
关键词：sHolocene Ganjia Basin LOESS temperature variation BrGDGTs 
The role ofβ,γ,δ-substituent of dialkylphosphinic acids in HREE extraction and separation behaviors被引量：1
《Journal of Rare Earths》2023年第11期1789-1795,I0005,共8页Junlian Wang Wen Xu Jianguo Cui Guodong Xu Yufu Chen Peilong Wang Ziyong Chang 
Project supported by the National Natural Science Foundation of China (51974026,21301104);the State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization。
Heavy rare earth element(HREE)separation has always been a great challenge.The kind of dialkylphosphinic acids is recognized as the third generation of organophosphorous acid extractants.However,detailed relationship ...
关键词：Heavy rare earth element EXTRACTION SEPARATION Dialkylphosphinic acid Substituent effect 
Convenient synthesis of hexasubstituted benzene derivatives via DABCO promoted domino reaction of arylidene malononitrile and dialkyl but-2-ynedioate
《Chinese Chemical Letters》2021年第5期1683-1686,共4页Hui Zheng Ying Han Jing Sun Chao-Guo Yan 
This work was financially supported by the National Natural Science Foundation of China(No.21572196);the Priority Academic Program Development of Jiangsu Higher Education Institutions.
A convenient synthetic protocol for the hexasubstituted benzene derivatives was successfully developed by DABCO promoted domino reaction of arylidene malononitrile with two molecules of dialkyl but-2-ynedioates.The do...
关键词：Hexasubstituted benzene Electron-deficient alkyne MALONONITRILE ANNULATION [2+2+2]cycloaddition 
Recovery of neodymium,dysprosium,and cobalt from NdFeB magnet leachate using an unsymmetrical dialkylphosphinic acid extractant,INET-3被引量：6
《Journal of Rare Earths》2020年第10期1114-1118,I0004,共6页Zhengyu Liu a Jiaming Wu a Xinyu Liu Wen Wanga Ziwei Li Ruijing Xu Yue Ding Junlian Wang 
Project supported by the National Natural Science Foundation of China (51974026)。
Rare earths (REs) and Co are critical strategic resources.Their recovery is crucial for ensuring that their supplies are adequate and for reducing environmental pollution.End-of-life NdFeB magnets are important second...
关键词：NdFeB RECOVERY INET-3 Extraction Separation Rare earths 
Dialkyl imidazolium acetate ionosilica as efficient and recyclable organocatalyst for cyanosilylation reactions of ketones被引量：1
《Green Energy & Environment》2020年第2期130-137,共8页Thanh Tran Duy Alysson Duarte Rodrigues Giang Vo-Thanh Peter Hesemann 
The authors thank the GDR LIPS#3585 for financial support.
We report new heterogeneous organocatalyst based on silica hybrid supported N-heterocyclic carbene(NHC-)species.The organocatalyst is formed from an imidazolium iodide based ionosilica material,followed by iodide/acet...
关键词：N-heterocyclic carbenes Ionosilica Heterogeneous organocatalysis CYANOSILYLATION Ionic liquids 
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