Journal ArticleDOI
Regio-selective synthesis of diversely substituted benzo[a]carbazoles through Rh(iii)-catalyzed annulation of 2-arylindoles with α-diazo carbonyl compounds.
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TLDR
To the authors' knowledge, this is the first example in which the NH unit of indole is used as a directing group for an intramolecular C(sp2)-H bond functionalization to give benzo[a]carbazole derivatives.About:
This article is published in Chemical Communications.The article was published on 2017-01-19. It has received 114 citations till now. The article focuses on the topics: Annulation & Diazo.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.
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Diazo Compounds: Versatile Synthons for the Synthesis of Nitrogen Heterocycles via Transition Metal‐Catalyzed Cascade C–H Activation/Carbene Insertion/Annulation Reactions
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Selective Synthesis of Benzo[a]Carbazoles and Indolo[2,1‐a]‐Isoquinolines via Rh(III)‐Catalyzed C−H Functionalizations of 2‐Arylindoles with Sulfoxonium Ylides
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Rh(III)-Catalyzed Cascade Reactions of Sulfoxonium Ylides with α-Diazocarbonyl Compounds: An Access to Highly Functionalized Naphthalenones
TL;DR: An unprecedented cascade reaction of benzoyl sulfoxonium ylides with α-diazocarbonyl compounds leading to the formation of highly functionalized naphthalenones containing a β-ketosulfoxonum ylide moiety is presented.
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Synthesis of Fused or Spiro Polyheterocyclic Compounds via the Dehydrogenative Annulation Reactions of 2-Arylindazoles with Maleimides.
TL;DR: Interestingly, the selectivity to form the fused or spiro compounds could be switched by resorting to different additives, and the notable features of this protocol include simple substrates and excellent atom economy and regioselectivity.
References
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Journal ArticleDOI
Carboxylate-assisted ruthenium-catalyzed alkyne annulations by C-H/Het-H bond functionalizations.
TL;DR: Recent efforts have resulted in widely applicable methods for the versatile preparation of differently decorated arenes and heteroarenes, providing access to among others isoquinolones, 2-pyridones,isoquinolines, indoles, pyrroles, or α-pyrones.
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Mild metal-catalyzed C–H activation: examples and concepts
TL;DR: This review presents the current state of the art in this field and detail C-H activation transformations reported since 2011 that proceed either at or below ambient temperature, in the absence of strongly acidic or basic additives or without strong oxidants.
Journal ArticleDOI
Transition metal-catalyzed C–H bond functionalizations by the use of diverse directing groups
TL;DR: In this article, a review of the development of utilizing functionalities as directing groups for the construction of C-C and C-hetero bonds via C-H activation using various transition metal catalysts is presented.
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Isolation and synthesis of biologically active carbazole alkaloids
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Modern Organic Synthesis with α-Diazocarbonyl Compounds
TL;DR: This work aims to demonstrate the efforts towards in-situ applicability of EMMARM, which aims to provide real-time information about the physical properties of EMTs and their applications in the context of drug discovery and development.
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