云南高校图书馆联盟文献共享服务平台- OTF

OTF: 作品数：180被引量：288H指数：7; 导出分析报告; 相关领域：理学更多>>; 相关作者：刘伟王海荣张军田禾王利民更多>>; 相关机构：南京邮电大学西安电子科技大学华中科技大学东华大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金教育部重点实验室开放基金中国博士后科学基金山东省自然科学基金更多>>

Multisubstituted pyrazole synthesis via[3+2]cycloaddition/rearrangement/N-H insertion cascade reaction of α-diazoesters and ynones被引量：1: 《Chinese Chemical Letters》2021年第1期132-135,共4页Peng Zhao Zi Zeng Xiaoming Feng Xiaohua Liu; supported by the National Natural Science Foundation of China(Nos.21625205 and U19A2014)。; The cascade reactions of alkyl α-diazoesters and ynones using Al(OTf)_(3) as the catalyst are described.A series of 4-substituted pyrazoles were obtained via [3+2] cycloaddition,1,5-ester shift,1,3-H shift,and N-H in...; 关键词：PYRAZOLE Cascade reaction α-Diazoester Ynone Al(OTf)_(3)

Spiro(phosphoamidite) ligand(SIPHOS)/Cu(OTf)2-catalyzed highly regio-and stereo-selective hydroborations of internal alkynes with diborane in water: 《Chinese Chemical Letters》2017年第6期1163-1166,共4页Qing-Qing Xuan Ya-Hui Wei Qiu-Ling Song; The highly regio-and stereoselective hydroborations of unactivated internal alkynes with diboron compound catalyzed by Cu（OTf）2 with spiro（phosphoamidite） as ligand in the presence of Cs2CO3 in water was developed...; 关键词：Unactivated internal alkynes Diboron compound Spiro（phosphoamidite） ligand Aqueous synthesis Multi-substituted vinylboranes

Y(OTf)_3-catalyzed heterocyclic formation via aerobic oxygenation:An approach to dihydro quinazolinones and quinazolinones被引量：2: 《Chinese Chemical Letters》2015年第11期1355-1358,共4页Ying-Hui Shang Li-Yan Fan Xiang-Xiong Li Meng-Xia Liu; the National Natural Science Foundation of China(No.20802052)for financial support; The Y（OTf）3-catalyzed aerobic oxidative cyclization reaction for the selective synthesis of dihydroqui- nazolinones and quinazolinones has been developed. This method provides a practical, effective and green synthe...; 关键词：Aerobic oxygenationYttrium-catalyzed reactionDihydroquinazolinonesQuinazolinones

Bi(OTf)3-catalyzed tandem reaction of naphthols with β,γ-unsaturated a-ketoesters.Efficient synthesis of functionalized 4H-chromenes: 《Chinese Chemical Letters》2014年第9期1235-1239,共5页Hui-Jing Li Dong-Hui Luo Qin-Xi Wu Chun-Yang Dai Zhi-Lun Shen Yan-Chao Wu; supported by the Science and Technology Development Project of Weihai (Nos.2011DXGJ13,2012DXGJ02);the Natural Science Foundation of Shandong Province (No.ZR2012BM002);the National Natural Science Foundation of China (Nos.21202028,21372054); An efficient synthesis of functionalized 4H-chromenes by the tandem reaction of β,γ-unsaturated α- ketoesters with 2-naphthols, 1 -naphthols, and 1,3-dihydroxynaphthalenes has been accomplished with high selectivit...; 关键词：Bismuth triflate 4H-Chromenes Tandem reaction Selective synthesis

A highly efficient procedure for the synthesis of quinoxaline derivatives using polyvinylpolypyrrolidone supported triflic acid catalyst(PVPP.OTf)被引量：2: 《Chinese Chemical Letters》2014年第9期1287-1290,共4页Samad Khaksar Mahmoud Tajbakhsh Milad Gholami Fariba Rostamnezhad; supported by the Islamic Azad University,Ayatollah Amoli Branch; A polyvinylpolypyrrolidone supported triflic acid was shown to be useful as a recyclable heterogeneous catalyst for the rapid and efficient synthesis of quinoxaline derivatives in good-to-excellent yields. The catalys...; 关键词：QUINOXALINE REUSABLE HETEROCYCLIC Heterogeneous

Highly efficient and green synthesis of 14-aryl(alkyl)-14H-dibenzo[a,j]xanthene and 1,8-dioxooctahydroxanthene derivatives catalyzed by reusable zirconyl triflate[ZrO(OTf)_2]under solvent-free conditions被引量：3: 《Chinese Chemical Letters》2011年第1期9-12,共4页Iraj Mohammadpoor-Baltork Majid Moghadam Valiollah Mirkhani Shahram Tangestaninejad Hamid Reza Tavakoli; the Center of Excellence of Chemistry and Research Council of University of Isfahan for financial support of this work; An efficient, convenient and green method has been introduced for the preparation of 14-aryl（alkyl）-14H-dibenzo[a,j]xanthene and 1,8-dioxooctahydroxanthene derivatives by the reaction of aldehydes with 2-naphthol an...; 关键词：XANTHENES Zirconyl triflate ALDEHYDES 2-NAPHTHOL Reusable catalyst

Rh(Ⅱ) and Zn(Ⅱ) co-catalyzed multi-component reaction for the synthesis of vicinal diols被引量：1: 《Chinese Chemical Letters》2009年第11期1299-1302,共4页Xu Zhang Xin Guo Li Ping Yang Wen Hao Hu; supported by National Science Foundation of China(No.20772033);China postdoctoral Science Foundation(No.20080440607); Oxonium ylide intermediates generated from α-diazocarbonyl compounds and water were trapped by Zn（Ⅱ）-activated α- dicarbonyl compounds. The reaction gave α,β-dihydroxyl acid derivatives in moderate yield.; 关键词：Multi-component reaction α-Diazocarbonyl compounds Zn（OTf）2 α-Dicarbonyl compounds

Yb(OTf)_3-catalyzed synthesis of pyrroles under solvent-free conditions: 《Chinese Chemical Letters》2009年第4期423-426,共4页Bing Zuo Jiu Xi Chen Miao Chang Liu Hua Yue Wu Wei Ke Su; the National Key Technology R&D Program(No.2007BAI34B00);the National Natural Science Foundation of China(No.20876147 and 20676123);the Natural Science Foundation of Zhejiang Province(No.Y4080107) for financial support.; A Yb（OTf）3-catalyzed approach for the synthesis of pyrroles under solvent-free conditions was achieved, which could afford the desired products with yields ranged from moderate to excellent.; 关键词：Ytterbium （III） triflate PYRROLES γ-Diketone HYDRAZIDE Solvent-free conditions

In(OTf)_3 catalyzed allylation reaction of imines with tetraallyltin: 《Chinese Chemical Letters》2009年第1期40-43,共4页Xiao Ning Wei Ling Yan Liu Bing Wang Wei Xing Chang Jing Li; the National Natural Science Foundation of China(Nos.20421202,20372033)for financialsupport.; In the presence of catalytic amount of In（OTf）3 （10 mol%）, a series of aldimines reacted with tetraallyltin in a 2：1 molar ratio to afford the corresponding homoallylic amines in good yields. The good atom effici...; 关键词：Catalytic allylation ALDIMINE Tetraallyltin In（OTf）3

Yb(OTf)_3 Catalyzed Nucleophilic Conjugate Addition of Pyrrole to α,β-Unsaturated Ketones and Nitro-compounds: 《Chinese Chemical Letters》2004年第3期277-279,共3页PeiPeiSUN YaPingXIAO; Under the catalysis of Yb(OTf)3, nucleophilic conjugate addition of pyrrole to electron deficient olefins in CH2Cl2 at ambient temperature gives corresponding 2-alkylated pyrrole derivatives in good yields with high s...; 关键词：Ytterbium triflate CATALYSIS nucleophilic conjugate addition pyrrole derivative.

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