Download Active Metals: Preparation, Characterization, Applications by Alois Fürstner PDF

By Alois Fürstner

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 typical product synthesis are authoritatively mentioned via prime specialists within the field.

lively Metals will let you absolutely enjoy the fresh advances within the box by means of giving:

* distinct experimental procedures
* suggestions on manipulation of energetic metals lower than inert atmosphere
* precious details for making plans syntheses
* vast tables of commonplace conversions with yields
* severely chosen, updated references

This instruction manual is a different resource of 'hands-on' details with a view to let you extend the scope of your learn.

Chapter 1 Rieke Metals: hugely Reactive steel Powders ready by way of 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: rules and functions in natural Synthesis (pages 133–190): Jean?Louis Luche and Pedro Cintas
Chapter five coaching and purposes 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 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 energetic Metals and Intermetallics (pages 299–338): L. E. Aleandri and B. Bogdanovic
Chapter nine Catalytically lively steel Powders and Colloids (pages 339–379): Helmut Bonnemann and Werner Brijoux
Chapter 10 Supported Metals (pages 380–426): Alois Furstner
Chapter eleven Morphological concerns on Metal?Graphite mixtures (pages 427–446): Ferdinand Hofer

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Additional resources for Active Metals: Preparation, Characterization, Applications

Example text

The oxidative insertion of Rieke i n c proceeds at room temperature for 2- and 3-indolyl iodides 1641. This application towards direct formation of these indolylzinc iodide reagents is important since the indolyl system failed for the transmetallation of 3-indolyllithium with zinc chloride, whereas this is readily achieved via Rieke zinc. Table 1-19. Formation and coupling reactions of sec- and rert-alkylzinc bromides. Entry Alkyl bromide Elcctrophilc Product Yield (%) 95 C l 8 , YPh CIP'h CIL C 87 62 I dPh dPh 84 CI8 , h 99 CIP'h 0 CIAPh 15 .

This method involved the reduction of cuprous iodide with a stoichiometric amount of potassium metal, along with a catalytic amount of naphthalene (10 mole%) as an electron carrier, under refluxing conditions in 1,2-dimethoxyethane (DME) under argon. The reductions are usually complete within 8-12 h at room temperature. Whilc the heterogeneous copper metal formed by this process was found to be more reactive than ordinary copper metal, the active copper could not undergo oxidative addition at temperatures low enough to form stable organocopper reagcnts.

This facile one-pot transformation of a 1,3-diene-magnesiurn intermediate provides a direct route to the formation of both secondary amines and P,y,N-trisubstituted y-lactarns in good to high isolated yields. The overall procedure of the y-lactam synthesis can be thought of as a molecular assembling process in which three independent species, namely a conjugated diene, an imine, and carbon dioxide, mediated by Rieke magnesium, are transformed into a complex organic molecule in a well-controlled fashion.

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