云南高校图书馆联盟文献共享服务平台- ULLMANN

ULLMANN: 作品数：37被引量：75H指数：4; 导出分析报告; 相关领域：理学更多>>; 相关作者：李和兴高越吴之清李正凯张胜建更多>>; 相关机构：中国科学院苏州大学浙江大学上海应用技术大学更多>>; 相关期刊：《中国材料进展》《应用化学》《Chemical Research in Chinese Universities》《计算机与应用化学》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中国博士后科学基金上海市青年科技启明星计划更多>>

氨基酸铜螯合物的合成及其催化C-N偶联反应研究: 《仲恺农业工程学院学报》2023年第4期67-78,共12页黎敦全梁伟镔姚平俊陈丽贞黄森伍熙傅彦宇仇江珍舒绪刚曾黎燕; 广东省教育厅大学生创新创业计划项目(202011347073);仲恺农业工程学院年薪制启动项目(KA210319244、KA22016B735)。; 为研究氨基酸铜螯合物直接催化C-N偶联反应的效果,设计并合成亮氨酸铜和蛋氨酸铜两个氨基酸铜螯合物.其铜含量分别为亮氨酸铜19.82%和蛋氨酸铜17.57%,与理论值吻合;XRD结果显示亮氨酸铜和蛋氨酸铜分别在2θ角为6.3°和5.6°附近出现衍...; 关键词：氨基酸铜螯合物 Ullmann C-N偶联蛋氨酸铜喹唑啉酮

Atomically precise coreless AuCu bimetallic nanoclusters for Ullmann C-O coupling被引量：1: 《Nano Research》2023年第8期10756-10762,共7页Yapei Yun Lin Li Manman Zhou Meng Li Ningning Sun Haifeng Li Shan Jin Chunshan Zuo Hongting Sheng Manzhou Zhu; We acknowledge financial support by the National Natural Science Foundation of China(Nos.21972001 and 21871001);Natural Science Foundation of Anhui Province(No.2008085MB37);Anhui University.; Bimetallic nanocluster with atomic precision has gained widespread attention due to its unique synergism.The coreless Au_(4)Cu_(5)bimetallic nanoclusters were selected as models to explore the relationship between the...; 关键词：coreless nanoclusters bimetallic catalysts Ullmann C-O coupling metal synergy

醋酸氟卡尼的合成工艺优化: 《精细化工》2023年第5期1107-1112,共6页曹宁卢丹张建斌庄子翀卢建媚; 以5-溴-2-碘苯甲酸为原料,经Ullmann芳基醚化、酸胺缩合、成盐反应步骤制备出醋酸氟卡尼。并对Ullmann芳基醚化反应条件进行优化。结果表明,当以[双-(1,10-菲啰啉铜)](三氟乙氧基)铜为配体、N,N-二甲基甲酰胺(DMF)为溶剂、110℃反应12h...; 关键词：醋酸氟卡尼 Ullmann芳基醚化酸胺缩合工艺优化医药原料

Cu催化偶联反应合成烷基芳基醚的DFT机理研究被引量：1: 《化学学报》2021年第7期948-952,共5页满清敏付尊蕴刘甜甜郑明月蒋华良; 国家自然科学基金面上项目(No.81773634)资助.; 本工作提出了Cu催化的2-(2-碘苯基)-1-乙醇分子内UllmannC―O偶联反应机理,并用密度泛函理论(density functionaltheory,DTF)计算验证.催化循环从原位生成的亚铜配合物开始,亚铜配合物经氧化加成生成Cu(Ⅲ)配合物;Cu(Ⅲ)配合物和反应物...; 关键词：密度泛函理论铜催化 Ullmann C―O偶联叔丁醇离子

Ullmann-Ma Reaction:Development,Scope and Applications in Organic Synthesis被引量：3: 《Chinese Journal of Chemistry》2020年第8期879-893,共15页Qian Cai Wei Zhou; The authors are grateful to the Guangdong Special SupportProgram(No.2017TX04RO59);the National Natural ScienceFoundation of China(No.21772066)for the financial support.; Copper-catalyzed cross-couplings of aryl halides and nucleophiles,traditionally called Ullmann-type coupling reactions,were initially reported by Ullmann et al.from 1901-1929.A seminal report in 1998 by Ma et al.from ...; 关键词：SYNTHESIS COUPLING ULLMANN

Efficient Construction of Highly-fused Diperylene Bismides by Cu/Oxalic Diamide-promoted Zipper-mode Double C—H Activation被引量：1: 《Chemical Research in Chinese Universities》2020年第1期110-114,共5页LU Xiuqiang LIN Hui ZHEN Yonggang DONG Huanli ZHANG Xiaotao HU Wenping; Supported by the National Natural Science Foundation of China(Nos.51503037,51822308,51733004,21661132006);the Program for New Century Excellent Talents in Fujian Province Universities,China,the Fund of the Youth Innovation Promotion Association of the Chinese Academy of Sciences and the Education and Scientific Research Project for Young and Middle-aged Teachers in Fujian Province,China(No.JT180633).; Copper/oxalic diamide-promoted dimerization of tetrachlorinated perylene bisimide to construct highly-fused diperylene bisimides through Ullmann coupling and zipper-mode double C—H activation has been developed in th...; 关键词：Organic semiconductor Perylene bisimide DIMERIZATION Ullmann homocoupling C-H activation

一种β-联苯双酯的改进制备方法被引量：1: 《广州化工》2019年第23期65-67,共3页黄光东石岳崚何敏焕陈明龙穆晴晴; β-联苯双酯是合成五味子丙素及五味子酯丁的重要中间体。β-联苯双酯可通过两分子6-溴-3,4-亚甲二氧基-5-甲氧基苯甲酸甲酯经Ullmann偶合得到,其偶合单体的区域选择性6-位溴化成为大量制备β-联苯双酯的关键。本文通过选择性脱溴方法...; 关键词：β-联苯双酯选择性脱溴 Ullmann偶合

Single-Atom Protecting Group for on-Surface Synthesis of Graphdiyne Nanowires: 《Chinese Journal of Chemical Physics》2019年第5期620-624,共5页Huan Shan Ya-hui Mao Ai-di Zhao; the National Key R&D Program of China(No.2016YFA0200603 No.2017YFA0205004);the Anhui Initiative in Quantum Information Technologies(AHY090300);the National Natural Science Foundation of China(No.21473174);the Fundamental Research Funds for the Central Universities(No.WK2060190084 and No.WK2340000082);Ai-di Zhao acknowledges a fellow-ship from the Youth Innovation Promotion Association of Chinese Academy of Science(2011322).; On-surface synthesis of semiconducting graphdiyne nanowires usually suffer severe side reactions owing to the high reactivity of the butadiynylene units at noble metal surfaces,limiting the production of isolated nano...; 关键词：On-surface synthesis Graphdiyne ULLMANN coupling Protecting group Atomic force microscopy

C–C formation mediated by photoinduced electrons from crystallized carbon nitride nanobelts under visible light irradiation被引量：1: 《Journal of Energy Chemistry》2019年第3期152-161,共10页Qiaohui Jia Sufen Zhang Quan Gu; financially supported by the National Natural Science Foundation of China(No.21503127);the Natural Science Basic Research Plan in Shaanxi Province of China(No.2017JM2008);the 111 Project(B14041); Crystal structure and crystallinity of carbon nitride support, size and dispersity of active-metal nanoparticles(NPs), and surface engineering of composites have great roles in generation and separation of photogenera...; 关键词：Crystallized carbon NITRIDE Pd nanoparticles PHOTOCATALYST C–C coupling ULLMANN REACTION

Ullmann 反应百年纪念及近期复兴——兼及碳-杂原子键的形成被引量：11: 《化学进展》2018年第9期1257-1297,共41页戴立信; 1901年Ullmann报道了一个形成sp^2C—C键的偶联反应,1903年报道了苯胺的N-芳基化反应,1905年又报道了苯酚的O-芳基化的缩合反应。这些经典的反应进入催化领域且范围又有扩展,但由于反应条件苛刻等缺点,也限制了反应的应用。20世纪末,在...; 关键词：缩合反应交叉偶联反应铜催化的反应配体加速的催化反应咪唑的N-芳基化反应

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