Journal ArticleDOI
A One-Pot Synthesis of Dibenzofurans from 6-Diazo-2-cyclohexenones
Hua Zhao,Ke Yang,Hongyan Zheng,Ruichao Ding,Fangjie Yin,Ning Wang,Yun Li,Bin Cheng,Huifei Wang,Hongbin Zhai,Hongbin Zhai +10 more
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TLDR
A novel and efficient protocol for the rapid construction of dibenzofuran motifs from 6-diazo-2-cyclohexenone and ortho-haloiodobenzene has been developed.About:
This article is published in Organic Letters.The article was published on 2015-11-24. It has received 24 citations till now. The article focuses on the topics: Diazo & Dibenzofuran.read more
Citations
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Transition-Metal-Catalyzed Cross-Couplings through Carbene Migratory Insertion
Ying Xia,Di Qiu,Jianbo Wang +2 more
TL;DR: This review will summarize the achievements made in cross-coupling area since 2001 and identify the new organometallic species generated from migratory insertion that may undergo various transformations.
Journal ArticleDOI
A Review on the Latest Progress of Chan‐Lam Coupling Reaction
Journal ArticleDOI
Synthesis of Spiro[indazole-3,3′-indolin]-2′-ones via [3 + 2] Dipolar Cycloaddition of Arynes with 3-Diazoindolin-2-ones and Indazolo[2,3-c]quinazolin-6(5H)-ones by Subsequent Thermal Isomerization
TL;DR: An efficient protocol for facile construction of spiro[indazole-3,3'-indolin]-2'-ones was developed via [3 + 2] dipolar cycloaddition of arynes with 3-diazoindolin-2-ones under mild conditions in excellent yields.
Journal ArticleDOI
Rhodium(III)-Catalyzed Cascade Redox-Neutral C–H Functionalization and Aromatization: Synthesis of Unsymmetrical ortho-Biphenols
Zhiyong Hu,Guixia Liu +1 more
TL;DR: An efficient rhodium(III)-catalyzed coupling reaction of N-aryloxyacetamides with 6-diazo-2-cyclohexenones through a cascade redox-neutral C-H functionalization and aromatization has been developed in this paper.
Journal ArticleDOI
Photoinduced Synthesis of Dibenzofurans: Intramolecular and Intermolecular Comparative Methodologies.
TL;DR: A comparison was established between both methodologies, showing that the second one is the most suitable for the synthesis of dibenzofurans.
References
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Journal ArticleDOI
Modern Synthetic Methods for Copper‐Mediated C(aryl) ? O, C(aryl) ? N, and C(aryl) ? S Bond Formation
Steven V. Ley,Andrew Thomas +1 more
TL;DR: In this article, the authors highlight the recent developments in the copper-mediated (both stoichiometric and catalytic) reactions of aryl boronic acids as reaction partners in both O- and N-arylation.
Journal ArticleDOI
Copper in cross-coupling reactions: The post-Ullmann chemistry
TL;DR: A number of methods using various copper complexes and salts to carry out cross-coupling reactions leading to the formation of C heteroatom (C N, C O, C S, C P, C Se), C C, and C metal bonds have been proposed as discussed by the authors.
Journal ArticleDOI
Copper/amino acid catalyzed cross-couplings of aryl and vinyl halides with nucleophiles.
TL;DR: It is demonstrated that an l-proline or N,N-dimethylglycine ligand can facilitate most typical Ullmann-type reactions, with reactions occurring under relatively mild conditions and using only 2-20 mol % copper catalysts.
Journal ArticleDOI
Diazo compounds and N-tosylhydrazones: novel cross-coupling partners in transition-metal-catalyzed reactions.
Qing Xiao,Yan Zhang,Jianbo Wang +2 more
TL;DR: It is shown that Pd carbene migratory insertion plays a vital role in merging the elementary steps of Pd intermediates, leading to novel carbon-carbon bond formations and the generality of the diazo compounds as new cross-coupling partners in transition-metal-catalyzed coupling reactions.
Journal ArticleDOI
Renaissance of Ullmann and Goldberg Reactions - Progress in Copper Catalyzed C-N-, C-O- and C-S-Coupling
TL;DR: A wide range of aryl reagents have been explored in the past five years as mentioned in this paper, of which the aryls halides are among the most promising procedures, covering the litera- ture published through May 2003.
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Oxidative cyclization of 2-arylphenols to dibenzofurans under Pd(II)/peroxybenzoate catalysis.
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