Active Metals: Preparation, Characterization, Applications by Alois Fürstner

By Alois Fürstner

Reactions with metals are ubiquitous in natural synthesis and, really within the previous couple of years, a wide repertoire of tools for the activation of metals and for his or her use in natural synthesis has been built. In lively Metals, subject matters starting from morphology of steel clusters and nanometallurgy to organometallic chemistry, catalysis and using activated metals in usual product synthesis are authoritatively mentioned via top specialists within the field.

energetic Metals will let you totally enjoy the fresh advances within the box via giving:

* targeted experimental procedures
* counsel on manipulation of energetic metals less than inert atmosphere
* important details for making plans syntheses
* huge tables of ordinary conversions with yields
* seriously chosen, updated references

This guide is a special resource of 'hands-on' info so as to let you extend the scope of your learn.

Chapter 1 Rieke Metals: hugely Reactive steel Powders ready by means of Alkali steel relief of steel Salts (pages 1–59): Reuben D. Rieke, Matthew S. promote, Walter R. Klein, Tian?An Chen, Jeffrey D. Brown and Mark V. Hanson
Chapter 2 Allylic Barium Reagents (pages 61–84): Akira Yanagisawa and Hisashi Yamamoto
Chapter three The McMurry response (pages 85–131): Thomas Lectka
Chapter four Ultrasound?Induced Activation of Metals: ideas and purposes in natural Synthesis (pages 133–190): Jean?Louis Luche and Pedro Cintas
Chapter five education and functions of Functionalized Organozinc Reagents (pages 191–236): Paul Knochel
Chapter 6 steel Atom/Vapor methods to lively steel Clusters/Particles (pages 237–278): Kenneth J. Klabunde and Galo Cardenas?Trivino
Chapter 7 Electrochemical tools within the Synthesis of Nanostructured Transition steel Clusters (pages 279–297): Manfred T. Reetz, Wolfgang Helbig and Stefan A. Quaiser
Chapter eight The Magnesium path to energetic Metals and Intermetallics (pages 299–338): L. E. Aleandri and B. Bogdanovic
Chapter nine Catalytically energetic steel Powders and Colloids (pages 339–379): Helmut Bonnemann and Werner Brijoux
Chapter 10 Supported Metals (pages 380–426): Alois Furstner
Chapter eleven Morphological issues on Metal?Graphite mixtures (pages 427–446): Ferdinand Hofer

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Extra info for Active Metals: Preparation, Characterization, Applications

Sample text

There have been many reports in the literature regarding the development of synthetic strategies to overcome thcse difficulties [34]. However, many require the use of complex reagents and multiple synthetic steps to achieve the overall lactonization. One of the more effective methods is the reaction of bis(bromomagnesio)alkanes with dicarboxylic anhydrides [35]. Wc have recently developed a direct synthetic method for the one-pot synthcsis of lactones, spirolactones, di-spirolactones, tertiary alcohols, and even 1,2-diols from the corresponding conjugated diene-magnesium reagents mediated by Rieke magnesium 1361.

Primary and secondary allyl chlorides containing diverse functionalities are tolerated by the CuCN-based copper. -unsaturated ketone, epoxide, nitrile, alkyl acetate, ester, alkyl chloride, and carbamate functionalTable 1-27. Cross-coupling of benzoyl chloride with organocopper reagents dcrived from CuCN . 2 LiRrbased active copper. r Reagents Iltilizing Hiekc, Copper 43 Table 1-28. Conjugatc additions with organocoppcr reagents derived from CuCN . 2 LiBr-based active copper. 10) (a) 92 42 70 90 94 81 87 92 82 80 45 81 itics have been prepared.

Halide Eq. additive Eq. O TMSCl 0. ili:ing Rieke Copper 41 Table 1-26. Reactions of thienyl-based organocopper reagents with 1,2-epoxybutane. Entry Halide Product Yield (%) 71 60 68 64 78 62 [83]. Both cyclic and acyclic enones worked well with this formulation of active copper. However, more sterically hindered enones, such as isophorone, carvone, and 2,4,4-~imethyl-Zcyclohexen- 1-one, were not amenable for these 1,4-conjugatc additions. The thienyl-based organocopper reagents were also found to be nucleophilic enough to undergo intermolecular epoxide-opening reactions with 1,2-epoxybutane to form single regioisomers in good isolated yields, as shown in Table 1-26.

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