A rhodium-based catalyst reverses regioselectivity in the production of hydrazones
DR ANTHONY MELVIN CRASTO Ph.D ( ICT, Mumbai) , INDIA 30 Yrs Exp. in the feld of Organic Chemistry. Serving chemists around the world. Helping them with websites on Chemistry.Millions of hits on google, world acclamation from industry, academia, drug authorities for websites, blogs and educational contributionn
Friday, 27 December 2013
Friday, 6 December 2013
Selection of boron reagents for Suzuki–Miyaura coupling
Suzuki–Miyaura (SM) cross-coupling is arguably the most widely-applied transition metal catalysed carbon–carbon bond forming reaction to date. Its success originates from a combination of exceptionally mild and functional group tolerant reaction conditions, with a relatively stable, readily prepared and generally environmentally benign organoboron reagent. A variety of such reagents have been developed for the process, with properties that have been tailored for application under specific SM coupling conditions. This review analyses the seven main classes of boron reagent that have been developed. The general physical and chemical properties of each class of reagent are evaluated with special emphasis on the currently understood mechanisms of transmetalation. The methods to prepare each reagent are outlined, followed by example applications in SM coupling.
http://pubs.rsc.org/en/content/articlehtml/2014/cs/c3cs60197h
Review Article
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Chem. Soc.
Rev., 2014,43, 412-443
DOI: 10.1039/C3CS60197H
Received 12 Jun 2013, First published online 03 Oct 2013
http://pubs.rsc.org/en/Content/ArticleLanding/2014/CS/c3cs60197h?utm_source=toc-alert&utm_medium=email&utm_campaign=pub-cs-vol-43-issue-1#!divAbstract
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http://pubs.rsc.org/en/content/articlehtml/2014/cs/c3cs60197h
DOI: 10.1039/C3CS60197H (Review Article) Chem. Soc. Rev. , 2014, 43, 412-443
READ AT
http://pubs.rsc.org/en/content/articlehtml/2014/cs/c3cs60197h
DOI: 10.1039/C3CS60197H (Review Article) Chem. Soc. Rev. , 2014, 43, 412-443
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