Download e-book for iPad: Active Metals: Preparation, Characterization, Applications by Alois Fürstner

By Alois Fürstner

ISBN-10: 3527292071

ISBN-13: 9783527292073

ISBN-10: 3527615172

ISBN-13: 9783527615179

Reactions with metals are ubiquitous in natural synthesis and, fairly 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 constructed. In lively Metals, issues starting from morphology of steel clusters and nanometallurgy to organometallic chemistry, catalysis and using activated metals in traditional product synthesis are authoritatively mentioned through major specialists within the field.

lively Metals will let you totally enjoy the fresh advances within the box through giving:

* certain experimental procedures
* advice on manipulation of lively metals lower than inert atmosphere
* useful info for making plans syntheses
* broad tables of average conversions with yields
* significantly chosen, updated references

This guide is a special resource of 'hands-on' details as a way to let you extend the scope of your study.

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 functions in natural Synthesis (pages 133–190): Jean?Louis Luche and Pedro Cintas
Chapter five training and functions of Functionalized Organozinc Reagents (pages 191–236): Paul Knochel
Chapter 6 steel Atom/Vapor techniques to energetic 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 combos (pages 427–446): Ferdinand Hofer

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Extra info for Active Metals: Preparation, Characterization, Applications

Sample text

Entry Diene Imine Product Yield") (5%) 67 (75 :25) 5 8 ( 7 0 : 30) ONU 39 36 (57 : 43 J a) Isolated yields based on the imine. Diasteriomeric ratios in parenthesis determined by 'H NMR or by GC analysis. 22 I Rieke Metals: Higlily Reactive Metal Powders tams. The protccting groups can then be easily removed under a variety of conditions 1481. This efficient radical cyclization route to cis-fused pyrrolidones and piperidones is interesting because of the widespread occurrence of related systems in natural products [49].

Second, product isolation is facile and product purity is greatly improved using this phosphinc-free source of Cu'. The lithium salts are easily removed during aqueous work-up. Howcver, this form of active copper is not as nucleophilic, as evidenced by its inability to undergo epoxide-opening. Table 1-27 shows the results of reacting various functionalized organocopper reagents, produced from both alkyl and aryl bromides, with benzoyl chloride to form the corrcsponding functionalized ketone products, which were obtained in good isolated yields.

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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