CYCLIZATIONS

作品数：8被引量：6H指数：2
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相关领域：理学更多>>
相关作者：夏旭东肖文精更多>>
相关机构：华中师范大学南京航空航天大学更多>>
相关期刊：《Science China Chemistry》《International Journal of Organic Chemistry》《Chinese Journal of Chemistry》《Chinese Chemical Letters》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更多>>
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Au(Ⅰ)-Catalyzed 6-endo-dig Cyclizations of Aromatic 1,5-Enynes to 2-(Naphthalen-2-yl)anilines Leading to Divergent Syntheses of Benzo[α]carbazole, Benzo[c,h]cinnoline and Dibenzo[i]phenanthridine Derivatives
《Chinese Journal of Chemistry》2022年第1期46-52,共7页Jiayue Fu Bingbing Li Xiugui Wang Qida Liang Xiaoshi Peng Lu Yang Tao Wan Xinxiu Wang Bin Lin Maosheng Cheng Yongxiang Liu 
the financial support of the National Natural Science Foundation of China(Grants 21977073);the Liao-ning BaiQianWan Talents Program;Liaoning Revitalization Tale nts Program;the program for the innoyative research team of the Ministry of Education;the program for the Liaoning innovative research team in university.
A gold(Ⅰ)-catalyzed 6-endo-dig cyclization of aromatic 1,5-enynes was developed to synthesize 2-(naphthalen-2-yl)anilines.The functional group tolerance of this cyclization was examined systematically and a possible ...
关键词：Gold Homogeneous catalysis 6-endo-dig Cyclization Heterocycles Divergent synthesis 
Divergent asymmetric synthesis of azaarene-functionalized cyclic alcohols through stereocontrolled Beckwith-Enholm cyclizations
《Science China Chemistry》2021年第9期1522-1529,共8页Zhanghong Guo Xiaowei Chen Hao Fang Xiaowei Zhao Zhiyong Jiang 
supported by the National Natural Science Foundation of China(21925103,21901062);Key Technologies R&D Program of Henan(202102310005);Henan Normal University;Henan University。
The first enantioselective Beckwith-Enholm cyclization reaction is reported herein.Under cooperative photoredox and chiral hydrogen-bonding catalysis mediated by visible light,cyclization of carbonyls with azaarene-ba...
关键词：photoredox catalysis asymmetric catalysis Beckwith-Enholm cyclizations AZAARENES antioxidant stress 
Anodic Cyclizations, Seven-Membered Rings, and the Choice of Radical Cation vs.Radical Pathways
《Chinese Journal of Chemistry》2019年第7期672-678,共7页Robert J.Perkins Ruozhu Feng Qingquan Lu Kevin D.Moeller 
We thank the National Science Foundation (CHE-1764449) for their generous support of our work.
While many steps in an oxidative cyclization reaction can be important,it is the cyclization step itself that plays the central role.If this step does not proceed well,then optimization of the rest of the sequence is ...
关键词：Anodic CYCLIZATIONS Seven-Membered RINGS 
Computational Study of the Cyclization of 5-Hexenyl, 3-Oxa-5-Hexenyl and 4-Oxa-5-Hexenyl Radicals
《International Journal of Organic Chemistry》2013年第3期169-175,共7页Albert R. Matlin Matthew C. Leyden 
The intramolecular cyclization of 5-hexenyl radicals continues to be an important synthetic method for the construction of five-membered rings. The synthetic utility arises from the high degree of regioselectivity to ...
关键词：RADICAL CYCLIZATIONS Activation ENERGIES UB3LYP UCCSD (T) 
Sodium hydride-mediated synthesis of 1,5-diaryl-1,2,3-triazoles from anti-3-aryl-2,3-dibromopropanoic acids and organic azides被引量：1
《Chinese Chemical Letters》2013年第8期764-766,共3页Xue-Zhi Cheng Wei Liu Zhen-Dong Huang Chun-Xiang Kuang 
supported by the Natural Science Foundation of China(No.21272174);the Key Projects of Shanghai in Biomedicine(No.08431902700);the Scientific Research Foundation of the State Education Ministry for Returned Overseas Chinese Scholars
A series of 1,5-disubstituted 1,2,3-triazoles are synthesized by a one-pot process from anti-3-aryl-2,3-dibromopropanoic acids and organic azides mediated by sodium hydride in dimethyl sulfoxide.The reaction is mild a...
关键词：Cyclizations Heterocycles Sodium hydride Triazoles 
Mechanistic study of copper-catalyzed intramolecular ortho-C-H activation/carbon-nitrogen and carbon-oxygen cyclizations被引量：2
《Science China Chemistry》2013年第5期619-632,共14页TANG ShiYa GONG TianJun FU Yao 
the financial support from the National Basic Research Program of China (973 program, 2012CB215306);the National Natural Science Foundation of China (NSFC, 20832004, 20972148);CAS(KJCX2-EW-J02)
Intramolecular ortho-C-H activation and C-N/C-O cyclizations of phenyl amidines and amides have recently been achieved under Cu catalysis. These reactions provide important examples of Cu-catalyzed functionalization o...
关键词：mechanism DFT copper C-H activation concerted metalation-deprotonation 
Rhodium-catalyzed selective[2+2+2]cyclizations of 1,6-diynes with monoynes leading to isoindolines and isobenzofurans被引量：3
《Chinese Chemical Letters》2010年第1期18-22,共5页Wu, Wei Zhang, Xiao Yun Kang, Shou Xing 
A highly efficient and selective[2+2+2]cyclization of diynes and monoalkynes was catalyzed by rhodium under room temperature in water/THF mixed solvent,affording isoindolines and isobenzofurans in good to excellent yi...
关键词：N N-dipropargyl p-toluenesulfonamide Dipropargyl ether CYCLIZATION Rhodium complex DIYNES 
Synthesis and in vino Antimalarial Activity of Several Simple Analogues of Peroxyplakoric Acid
《Chinese Journal of Chemistry》2005年第11期1469-1473,共5页LIU, He-Hua JIN, Hong-Xia ZHANG, Qi WU, Yi-Kang KIM, Hye-Sook WATAYA, Yusuke 
Project supported by the National Natural Science Foundation of China （Nos. 20025207, 20272071, 20372075, 20321202）, the Chinese Academy ot Sciences （“Knowledge Innovation”project, KGCX2-SW-209）, and the Major State Basic Research Development Program （No. G2000077502） of China.
Several simple analogues of peroxyplakoric acid were synthesized by using Kobayashi＇s method to construct the key 1,2-dioxane core and tested in vitro for antimalarial activity. The scope and limitation of the method...
关键词：PEROXIDES SPIROKETALS CYCLIZATIONS hemiketals 
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