CYCLOPROPANE

作品数：51被引量：33H指数：3
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相关领域：理学更多>>
相关作者：李中军孟祥豹李庆李云锋更多>>
相关机构：北京大学更多>>
相关期刊：《中国生物学文摘》《Chinese Journal of Natural Medicines》《Science China Chemistry》《Chemical Research in Chinese Universities》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天津市自然科学基金中国博士后科学基金更多>>
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Vinylogous Fluorine Stabilizing Effect Enables Rational Design of a Novel Donor-Acceptor Cyclopropane and Its Applications in[3+2]Cycloaddition Reaction and Ring-Opening Polymerization
《Chinese Journal of Chemistry》2024年第22期2723-2727,共5页Yue Li Dian-Feng Chen 
supported by the National Natural Science Foundation of China(No.22101273);the Fundamental Research Fund for the Central Universities(WK9990000111)。
Discovery of unprecedented donor-acceptor patterns can essentially enrich the chemistry of donor-acceptor cyclopropanes.We herein introduce a concept of vinylogous fluorine stabilizing effect,which guides rational des...
关键词：Donor-acceptor cyclopropane gem-Difluorovinyl group Vinylogous fluorine stabilizing effect [3+2]cycloaddition Ring-opening polymerization Strained molecules Monomers Ionic polymerization 
Nickel-Catalyzed Regio-and Stereoselective Defluorinative Arylation of gem-Difluorinated Cyclopropanes
《Chinese Journal of Chemistry》2024年第8期823-828,共6页Shutao Qi Yunkai Hua Liangkai Pan Junfeng Yang Junliang Zhang 
the funding support of the National Key R&D Program of China(2021YFF0701600);NSFC(21901043,21921003,and 22031004);STCSM(21ZR1445900)and Shanghai Municipal Education Commission(20212308).
Comprehensive Summary,Herein,we report nickel-catalyzed cross-coupling of gem-difluorinated cyclopropanes with boronic acids,providing the corresponding arylated 2-fluoroallylic scaffolds.This approach used commercial...
关键词：Nickel Monofluoroolefin CYCLOPROPANE Regioselectivity STEREOSELECTIVITY C-C coupling Cross-coupling Synthetic methods 
[3+2]Cycloaddition of Vinyl Cyclopropane and Hydroxylamines via Isocynate Intermediate toγ-Lactams被引量：1
《Chinese Journal of Chemistry》2023年第16期1937-1942,共6页Xiaobing Huang Jingxun Yu Xinjun Luan 
the National Natural Science Foundation of China(21925108,21901203,21901204)for financial support.
Comprehensive Summary A general and efficient strategy for the synthesis ofγ-lactams has been reported.The hydroxylamines form Lossen rearrangement products of electron-deficient group migration with base and then un...
关键词：γ-Lactams HYDROXYLAMINES VinyI cyclopropane PD-CATALYZED [3+2]cycloaddition AMINATION Insertion Ring expansion 
Divergent Synthesis of N-Heterocycles by Merging Borane- Mediated Cyclopropane Ring-Opening and Hydride Abstraction
《Chinese Journal of Chemistry》2021年第6期1641-1645,共5页Zi-Yu Zhang Jie Ren Ming Zhang Xiu-Fang Xu Xiao-Chen Wang 
the National Natural Science Foundation of China(Nos.21871147 and 91956106);the Natural Science Foundation of Tianjin(Nos.20JCZDJC00720 and 20JGQJC00030);the NCC Fund(No.NCC2020PY10);the Fundamental Research Funds for Central Universities(No.2122018165).X.-C.W.thanks the Tencent Foundation for support via the Xplorer Prize.This paper is dedicated to the 100th anniversary of the chemistry department at Nankai University.
Herein,we report the synthesis of N-heterocycles by borane-catalyzed dehydrogenative cyclization of 2-cyclopropyl-N,N-dimethyl-anilines.Borane-mediated cyclopropane ring-opening and borane-mediated hydride abstraction...
关键词：BORANES Lewis acids Cyclization HETEROCYCLES Hydrides 
Asymmetric Catalytic[3+2]Annulation of Donor-Acceptor Cyclopropane with Cyclic Ketones:Facile Access to Enantioenriched 1-Oxaspiro[4.5]decanes被引量：2
《Chinese Journal of Chemistry》2020年第12期1629-1634,共6页Zhong-Bo Zheng Wen-Fu Cheng Lijia Wang Jun Zhu Xiu-Li Sun Yong Tang 
We thank the NSFC(Nos.91956103,21772224);the CAS(Nos.QYZDY-SSW-SLH016,XDB20000000);the STCSM(No.17JC1401200)for the financial support.
of main observation and conclusion A copper catalyzed enantioselective[3+2]annulation of donor-acceptor cyclopropanes with cyclic ketones has been developed,providing a concise protocol to enantioenriched l-oxaspiro[4...
关键词：SPIRO CATALYTIC substituted 
Sidearm as a Control in the Asymmetric Ring Opening Reaction of Donor-Acceptor Cyclopropane被引量：1
《Chinese Journal of Chemistry》2014年第8期669-672,共4页Qikai Kang Lijia Wang Zhongbo Zheng Junfang Li Yong Tang 
We are grateful for the financial support from the Natural Science Foundation of China(Nos.21121062,and 21272250),and Chinese Academy of Sciences.
A new type of trisoxazoline and bisthiazoline based ligands have been developed,which are absent of chiral motif on the parent skeleton and containa chiral backbone on sidearm.The ligands promote the amine nucleophili...
关键词：sidearm OXAZOLINE ASYMMETRIC ring opening CYCLOPROPANE 
Synthesis of Functionalized 2-Aminopyrroles by Lewis Acid Catalyzed Ring-opening of 1,1,2,3-Tetrasubstituted Cyclopropanes with Arylamines
《Chinese Journal of Chemistry》2012年第8期1867-1872,共6页韩莹 府琴 唐万荃 颜朝国 
Under the catalysis of Lewis acid Co（CIO4）2 the reaction of the sterically hindered 1,1,2,3-tetrasubstituted cyclopropanes with arylamines in refluxing THF gave the functionalized 2-aminopyrroles with sequential rin...
关键词：CYCLOPROPANE PYRROLE ring-opening reaction catalysis domino reaction 
A New Synthetic Route to Diastereomerically Pure Cyclopropane-Phosphorus Derivatives Utilizing the Chiron 5-L-Men-thyloxy-3-bromo-2(5H)-furanone and Racemic Dialkyl α-Hydroxyalkanephosphonate被引量：1
《Chinese Journal of Chemistry》2002年第11期1340-1346,1131,共0页范雪娥 傅玉琴 王建革 杜巧云 陈庆华 
theNationalNaturalScienceFoundationofChina (No.2 96 72 0 0 4)
A new chemical transformation for the construction of diversely functionalized cyclopropane-phosphorus derivatives utilizing chiron 4 and racemic diethyl α-hydroxylbenzylphosphonate as the key precursors is described...
关键词：diastereomerically pure cyclopropane-phosphorus derivatives tandem asymmetric reaction racemic diethyl α-hydroxylbenzylphosphonates biological activity absolute configuration X-ray crystallography 
Synthesis and properties of pyrethroids containing phosphorous β-substituted(thio)phosphonyl vinyl cyclopropane carboxylic ester
《Acta Chimica Sinica English Edition》1989年第1期64-71,共9页HUANG Run-Qiu DENG She-Shiang YANG Shi-Xian The Institute of Elemento-organie Chemistry,Nankai University,Tianjin 
This paper presents nine novel pyrethroids containing phosphorous and five new phos- phorous ylids.A new synthetic route of β-substituted vinyl(thio)phosphonate having E configura- tion have been developed.The compou...
关键词：Synthesis and properties of pyrethroids containing phosphorous SUBSTITUTED thio)phosphonyl vinyl cyclopropane carboxylic ester 
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