DIKETONE

作品数：19被引量：14H指数：2
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Lithium extraction from carbonate-rich Salt Lake brine using HBTA/TBP system
《Rare Metals》2024年第12期6717-6729,共13页Lian-Min Ji Dong Shi Xiao-Wu Peng Shao-Lei Xie Jin-Feng Li Yu-Ze Zhang Li-Cheng Zhang Yong Niu Gang Chen Li-Juan Li 
financially supported by the National Natural Science Foundation of China(No.U21A20305);Qinghai Provincial Department of Science and Technology(No.2022-ZJ-728);the Youth Innovation Promotion Association of the Chinese Academy of Sciences(No.2021430)。
China's salt lakes hold significant lithium reserves,yet the development of low-concentration lithium resources from the carbonate brines in Tibet is a pressing matter.Alkylβ-diketones extractants are capable of effi...
关键词：LITHIUM Carbonated salt lake Solvent extraction Diketone extractant Tibet brine 
Study on the tribological properties of metal rolling bearing under lubrication with diketone lubricants
《Science China(Technological Sciences)》2024年第7期2003-2017,共15页DU ShaoNan ZHANG ChenHui LUO Zhi 
supported by the National Key R&D Program of China (Grant No. 2020YFA0711003);the National Natural Science Foundation of China (Grant No. 51925506);the National Natural Science Foundation of China Youth Science Foundation (Grant No. 52305178)。
In this article, 1-(4-ethylphenyl)-nonane-1,3-dione(0206) was prepared by Claisen condensation. By mixing 0206, chelate, and base oil in a ratio of 3.2:4.8:2, a diketone lubricant(PAO=14(20%)) that can achieve superlu...
关键词：SUPERLUBRICITY DIKETONE CHELATE tribochemical recations bearing lubrication 
Combination of diketone and PAO to achieve macroscale oil-based superlubricity at relative high contact pressures被引量：1
《Friction》2024年第5期869-883,共15页Shaonan DU Chenhui ZHANG Zhi LUO 
supported by the National Key R&D Program of China(No.2020YFA0711003);the National Natural Science Foundation of China(No.51925506),and the XPLORER PRIZE.
1-(4-ethylphenyl)-nonane-1,3-dione(0206)is an oil-soluble liquid molecule with rod-like structure.In this study,the chelate(0206-Fe)with octahedral structure was prepared by the reaction of ferric chloride and 1,3-dik...
关键词：DIKETONE oil-based lubricants CHELATE SUPERLUBRICITY 
How to improve superlubricity performance of diketone at steel interface:Effects of oxygen gas
《Friction》2023年第6期927-937,共11页Yuanyuan JIANG Lei CHEN Chen XIAO Shumin ZHANG Chenhui ZHANG Ningning ZHOU Tao QIN Linmao QIAN Jiyang ZHANG 
grateful for the financial support from the National Natural Science Foundation of China(51875486 and 52122507);Sichuan Science and Technology Program(2021YFSY0017);the Fundamental Research Funds for the Central Universities(2682021ZTPY095).
Achievement of steady and reliable super-low friction at the steel/steel contact interface,one of the most tribological systems applied for mechanical moving parts,is of importance for prolonging machine lifetime and ...
关键词：SUPERLUBRICITY oxygen content steel/steel interface DIKETONE CHELATE 
Characterization of Reaction of Primary Amine WithDiketones in Aqueous Solution
《光谱学与光谱分析》2020年第S01期245-246,共2页ZHU Qing ZONG Su-san LUO Yan Tony Tang CHEN Xiao-yun William Wang Sam Qiu FENG Shao-guang 
In this study,the interaction between primary amine and diketones was investigated.Three diketones with a general structure of—(CH2C(O)CH2C(O))-X-R(X is C,O or N and R is H and/or alkyl groups)were selected to react ...
关键词：AMINE DIKETONE In-situ Raman Reaction monitoring 
Stereoselective synthesis of cis- and trans-4-acyl-β-lactams from vicinal diketones and ketoaldehydes
《Science China Chemistry》2011年第11期1711-1717,共7页WANG ZhiXin XU JiaXi 
the support from the National Natural Science Foundation of China (20972013 and 20772005);Beijing Natural Science Foundation (2092022);the Fundamental Research Funds for the Central Universities (ZZ1020);the Doctoral Fund of Ministry of Edu-cation of China (200800100010)
4-Acyl-β-lactams are important synthetic intermediates in both pharmaceutical and organic chemistry. Cis- and trans-4-acyl-β- lactams were synthesized stereoselectively from vicinal diketones via the formation of bu...
关键词：4-acyl-β-lactam DIIMINE DIKETONE imine ketoaldehyde Β-LACTAM stereoselectivity 
Synthesis and Opto-electronic Properties of a Red-Emitting Heteroleptic Platinum Complex Using Pyrazol-based Diketone Derivative as Ancillary Ligand
《Chinese Journal of Chemistry》2011年第10期2057-2062,共6页邓继勇 王亚飞 李小双 倪美君 刘明 刘煜 雷钢铁 朱美香 朱卫国 
Project supported by the National Natural Science Foundation of China （Nos. 50973093, 20772101, 20872124）, Research Fund and the New Teacher Fund for the Doctoral Program of Higher Education of China （Nos. 20094301110004, 200805301013）, Science Foundation of Hunan Province （No. 2009FJ2002）, Scientific Research Fund of Hunan Provincial Education Department （No. 10A 119, 11CY023） and the Postgraduate Science Foundation for Innovation in Hunan Province （No. CX2009B124）.
A red-emitting heteroleptic cyclometalated platinum（II） complex containing an ancillary ligand of pyra- zol-based diketone derivative was synthesized. Its optophysical and electroluminescent properties were studied....
关键词：ELECTROLUMINESCENCE platinum（II） complex synthesis design molecular device optoelectronic proper-ties 
Catalyst-free Multicomponent Synthesis of β-Mercapto Diketones in Water
《Chinese Journal of Chemistry》2011年第9期1856-1862,共7页Li, Li Liu, Bokai WU, Qi Lin, Xianfu 
Project supported by the National Natural Science Foun-dation of China （Nos. 20704037, 20872130 and 20874086） and the Zhejiang Provincial Natural Science Foundation （Nos. 2008-Y407086, 2009-Y4080198 and 2010-Z4090225）.
A simple, efficient and eco-friendly route has been developed for the synthesis of fl-mercapto diketones via a multicomponent reaction of an aldehyde, acetylacetone and thiol in water. This methodology affords a numbe...
关键词：CATALYST-FREE multicomponent reaction β-mercapto diketone water chemistry THIOL 
Synthesis,luminescent properties,and theoretical study of novel Sm^(3+) and Dy^(3+) complexes containing β-diketone and 1,10-phenanthroline被引量：7
《Rare Metals》2011年第1期28-32,共5页LIU Xingwang GAO Saishengtai WANG Li SHEN Leijun JIANG Jiadong GAO Junfang 
supported by the Natural Science Foundation of Inner Mongolia,China (No.2009MS0205);the Education Department of Inner Mongolia,China (No.NJcxy08124)
Two new ternary complexes of 1-（2-thienyl）-3-（p-phenylethynylphenyl）-1,3-propanedione（HTPP） and 1,10-phenanthroline（phen） with Sm^3＋ and Dy^3＋ were synthesized.The composition of the ternary complexes was ch...
关键词：lanthanide complex luminescence rare earth elements DIKETONE PHENANTHROLINE quantum chemistry 
Chemo- and regioselective hydroboration of Δ^(14,15) in certain cephalostatin analogue
《Chinese Chemical Letters》2008年第12期1391-1394,共4页Mansour Nawasreh 
The symmetrical diketone Ⅱ, which can be synthesized in gram scale using a well established method, was used as a starting material to prepare the 11α-methoxy ketomethylene Ⅵ. This is in continuation of our study a...
关键词：Cephalostatin 1 DIKETONE Hydroboration of △^14 15 double bond Anti-cancer activity 
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