By Alois Fürstner

ISBN-10: 3527292071

ISBN-13: 9783527292073

ISBN-10: 3527615172

ISBN-13: 9783527615179

Reactions with metals are ubiquitous in natural synthesis and, relatively within the previous couple of years, a wide repertoire of equipment for the activation of metals and for his or her use in natural synthesis has been built. In energetic Metals, issues starting from morphology of steel clusters and nanometallurgy to organometallic chemistry, catalysis and using activated metals in common product synthesis are authoritatively mentioned by way of prime specialists within the field.

lively Metals will let you absolutely enjoy the contemporary advances within the box via giving:

* special experimental procedures
* advice on manipulation of lively metals lower than inert atmosphere
* important details for making plans syntheses
* vast tables of normal conversions with yields
* severely chosen, up to date references

This guide is a special resource of 'hands-on' info that allows you to let you extend the scope of your study.

Content:
Chapter 1 Rieke Metals: hugely Reactive steel Powders ready through Alkali steel aid 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 functions in natural Synthesis (pages 133–190): Jean?Louis Luche and Pedro Cintas
Chapter five training and purposes of Functionalized Organozinc Reagents (pages 191–236): Paul Knochel
Chapter 6 steel Atom/Vapor techniques to lively steel Clusters/Particles (pages 237–278): Kenneth J. Klabunde and Galo Cardenas?Trivino
Chapter 7 Electrochemical equipment 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 lively 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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Additional resources for Active Metals: Preparation, Characterization, Applications

Example text

CiS 44 I Rieke Metals: Highly Reactive Mrtul Powders Table 1-29. Reaction of CuCN 2 LiBr-derived copper with 2,3-dichloropropene. Entry El E2 PhCHO H+ 88 A PhCHO Yield (YO) Product P h 69 12 U P h XPh PhCHO 71 PhCHO 83 PhCHO 63 x: U PhCHlCOCH? 7 8 /VC' P h 22 NCH2Ph I1 PhCH This highly reactive copper derived from CuCN . 2 LiCl reacts directly with 2,3-dichloropropene to yield a new bis-organocopper species which contains both a nucleophilic allylic and a vinylic moiety [86]. This novel bis-organocopper reagent undergoes a selective onepot addition to two different electrophiles in good to excellent yields.

Table 1-12 shows the preparation of organozinc intermediates from organohalides containing both ester and nitrile functionalities. 3 Reactions of Organozinc Reagents with Acid Chlorides Once the organozinc reagent is formed, it easily transmetallates to copper under mild conditions, yielding a highly functionalized cuprate. For example, the organozinc reagent can be added to CuCN . LiBr at -35 "C giving RCu(CN)ZnCl. When reacted with various acid chlorides, this organocopper species gives highly functionalized asymmetrical ketones in high yields.

59 74 16 I Rieke Metals: Highly Reactive Metal Powders Table 1-6. Reactions of diene-magnesium reagents with carboxylic esters. Formation of ketones. Entry Diene Ester Product /3. y-unsaturated Yielda' (YO) CH&X)OEt 72 CH3(CH&COOEt ni PhCOOEt 62 CH3(CH2)2COOEt 76 84 a) Quenching the reaction at - 10 "C gave the /3. y-unsaturated ketone. 6 Synthesis of Spiro y-Lactones and Spiro S-Lactones from 1,3-Diene-Magnesium Reagents The generation of a quaternary carbon center, and the introduction of functional groups, which are present in the process of lactonization, are some of the difficulties associated with the formation of spirolactones.

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Active Metals: Preparation, Characterization, Applications by Alois Fürstner


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