Silyl Radicals in Chemical Synthesis.
Epoxide synthesis by epoxidation - Organic chemistry
Wishart 18 Radical Stability Thermochemical Aspects 449 Johnny Hioe and Hendrik Zipse 19 Radical Chemistry in the Gas Phase 477 Christian Alcaraz, Ingo Fischer and Detlef Schroder 20 Atmospheric Radical Chemistry 503 Paul H.
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Emphasis is placed on the functional group treated and on the effects which it exerts on chemical and physical properties, primarily in the immediate vicinity of the group in question and secondarily on the behaviour of the whole molecule.
for the generation and synthesis of silyl radicals, ..
Recent developments in the study of silyl radicals have been spectacular. Two decades ago, only short-lived silyl radicals were known and only a few were spectroscopically characterized. Since then, many new types of persistent and stable silyl radicals were synthesized, isolated, and characterized by electron paramagnetic resonance (EPR) spectroscopy, and several also by X-ray crystallography. These exciting developments are reviewed in this article.
23/04/2014 · Chemical Communications; Synthesis of ..
The review consist of five sections: 1. Introduction; 2. Tris(silyl) substituted silyl radicals; 3. Bis(silyl) silicon-centered radicals X(R3Si)2Si·, where X is a nonsilyl substituent; 4. Anion radicals and metal-substituted silyl radicals; 5. Conclusions and outlook. The article overviews the methods for the generation and synthesis of silyl radicals, the factors that control their stability and structure, and their EPR parameters. The isolation of stable silyl radicals, anion radicals, and diradicals opens new opportunities for their application as new materials with unique chemical, photophysical, and magnetic properties.
31/05/2007 · Köcher, T., Kerst, C., Friedrichs, G
That is why of all steps of an electrochemical process (mass transfer of substrates/intermediates/products, electrodics, reactions in the bulk of solution..) we mainly focus on this primary reactivity, the .
Different approaches exist to treat this topic; we follow and develop the one considering electroactive species and electrogenerated intermediates through the prism of their structure, and orbital, electronic and stereoelectronic effects in these species determining the reactivity in electrochemical context.