Journal ArticleDOI
Preparation and chemistry of 3/5-halogenopyrazoles.
Yves L. Janin,Yves L. Janin +1 more
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This article is published in Chemical Reviews.The article was published on 2012-05-01. It has received 151 citations till now.read more
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Book
Comprehensive heterocyclic chemistry on CD-ROM
TL;DR: The comprehensive Heterocyclic Chemistry was published in 1984 and is now available on CD-ROM as discussed by the authors. But it is not available on the Internet yet, as it was not available before 1984.
Journal ArticleDOI
Expedient C–H Amidations of Heteroaryl Arenes Catalyzed by Versatile Ruthenium(II) Catalysts
TL;DR: Heteroaryl-substituted arenes and heteroarenes were efficiently amidated through ruthenium-catalyzed C-H bond functionalizations with a variety of sulfonyl azides and cationic ruthene(II) complexes proved to be most effective and allowed nitrogenations of electron-rich and electron-deficient arenes with ample substrate scope.
Journal ArticleDOI
Fluorinated Pyrazoles: From Synthesis to Applications.
TL;DR: Analysis of novel synthetic approaches to fluorinated pyrazoles that appeared in recent years is performed, with a particular emphasis on a detailed consideration of reaction mechanisms.
Journal ArticleDOI
Dual roles of sulfonyl hydrazides: a three-component reaction to construct fully substituted pyrazoles using TBAI/TBHP.
TL;DR: A mild and rapid approach has been developed for the construction of fully substituted pyrazoles using TBAI as a catalyst and TBHP as an oxidant, in which tosylhydrazide functions as the ring component and sulfonyl precursor.
Journal ArticleDOI
Ruthenium-catalyzed ortho-C???H halogenations of benzamides
Lianhui Wang,Lutz Ackermann +1 more
TL;DR: [Ru3(CO)12] and AgO2C(1-Ad) enabled the first ruthenium-catalyzed intermolecular halogenations of arenes via C-H activation and brominations and iodinations of electron-rich and electron-deficient benzamides were achieved in a highly selective fashion.
References
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Journal ArticleDOI
1.3‐Dipolare Cycloadditionen Rückschau und Ausblick
TL;DR: In der 1.3-Dipol-Addition as mentioned in this paper, ein nur bescheidener Satz an Aufbaumethoden von allgemeiner Verwendungsbreite is gegenuber.
Journal ArticleDOI
From 2000 to mid-2010: a fruitful decade for the synthesis of pyrazoles.
Journal ArticleDOI
Palladium-catalyzed coupling of aryl triflates with organostannanes
Journal ArticleDOI
Copper-diamine-catalyzed N-arylation of pyrroles, pyrazoles, indazoles, imidazoles, and triazoles.
TL;DR: This paper details the copper-catalyzed N-arylation of pi-excessive nitrogen heterocycles and general conditions were found that tolerate functional groups such as aldehydes, ketones, alcohols, primary amines, and nitriles on the aryl halide or heterocycle.
Journal ArticleDOI
Establishment of Broadly Applicable Reaction Conditions for the Palladium-Catalyzed Direct Arylation of Heteroatom-Containing Aromatic Compounds
TL;DR: Conditions for the palladium-catalyzed direct arylation of a wide range of heterocycles with aryl bromides are reported and employ a stoichiometric ratio of both coupling partners, as well as a substoichiometric quantity of pivalic acid, which results in significantly faster reactions.
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