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New Developments in Organometallic Chemistry Research
Organometallic chemistry is based on the reactions and use of a class of compounds (R-M) that contain a covalent bond between carbon and metal. They are prepared either by direct reaction of the metal with an organic compound or by replacement of a metal from another organometallic substance. Research in organometallic chemistry is also conducted in the areas of cluster synthesis, main-group derivatives in unusual oxidation states, organometallic polymers, unstable organometallic compounds and intermediates in matrices, structure determination of organometallic compounds in the solid state [X-ray diffraction] and gaseous states [electron diffraction], and mechanisms of reactions of transient silylenes and related species. In addition to the traditional metals and semimetals, elements such as selenium, lithium and magnesium are considered to form organometallic compounds, e.g. organomagnesium compounds MeMgI, iodo(methyl)magnesium and diethylmagnesium, which are Grignard reagents an organo-lithium compound BuLi butyllithium; Organometallic compounds often find practical use as catalysts, the processing of petroleum products and the production of organic polymers.
Progress in Biological Chirality
Following on from Advances in BioChirality, Progress in Biological Chirality provides a unique summary and review of the most recent developments in the field of biochirality. Living organisms use only one enantiomer of chiral molecules in the majority of biologically important processes. The exact origin and mechanisms for this surprising selectivity are not yet known. This book discusses current research aimed at identifying the scientific reasons that may contribute to this phenomenon. Progress in Biological Chirality takes an interdisciplinary approach to this exciting field, covering a wide range of topics, such as, theory, palaeontology and food technology, to name but a few. This book...
Synthesis and Modification of Heterocycles by Metal-Catalyzed Cross-coupling Reactions
The series Topics in Heterocyclic Chemistry presents critical reviews on present and future trends in the research of heterocyclic compounds. Overall the scope is to cover topics dealing with all areas within heterocyclic chemistry, both experimental and theoretical, of interest to the general heterocyclic chemistry community. The series consists of topic related volumes edited by renowned editors with contributions of experts in the field.
Amino Acids: Insights and Roles in Heterocyclic Chemistry
This is the second volume of a first-of-its-kind four-volume book set that provides readers with up-to-date information on α-amino acids, the potential challenges in working with α-amino acids, the protecting groups for the carboxyl, amino and side chain groups of the amino acids, and the most popular heterocyclic compounds that are originating from alpha-amino acids. These heterocyclic compounds include hydantoins, thiohydantoins (including 2-thiohydantoins, 4-thiohydantoins, 2,4-dithiohydantoins), 2,5-diketopiperazines, N-carboxyanhydrides, N-thiocarboxyanhydrides, sydnones, sydnonimines, azlactones, pseudoazlactones, and oxazolidin-5-ones. This is the first resource to comprehensively c...
OECD Reviews of Innovation Policy: Hungary 2008
This report assesses the current status of Hungary’s innovation system and policies, and identifies where and how the government should focus its efforts to improve the country's innovation capabilities.
Magyar közlöny
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Complexes of Natural Flavonoids with Transition Metals
Human organisms adapted to plant-based diets in hunter-gatherers times. Statistical studies show that people consuming plant products on a regular basis have lower risks of developing cancer and neurodegenerative diseases than people preferably eating starch and fat. The beneficial effects of plants are primarily associated with flavonoids, molecules present in fruits, vegetables, teas, and herbs, also known in traditional medicine for their antibacterial and anti-inflammatory effects. Flavonoids are able to bind metals and form complexes. The present book summarizes the scientific evidence collected over the past decade on the structure, chemistry, and biological function of the complexes of natural flavonoids with nine essential metals representing d-block elements of the periodic table. The role of each individual metal in the human body and the diseases affected by metal-flavonoid complexes are described. The materials collected in the book will be of interest to chemists, biologists, nutritionists, and medicinal scientists.
Advances in Organobromine Chemistry II
The organic molecules that are used, particularly in the areas of pharmacy and agrochemicals, are becoming more and more complex both in their chemical nature and spacial configuration. A complex molecular structure is inevitably fragile; it cannot be produced under severe conditions (in particular high pressure and temperature). In addition there is a problem of the scale-up of a product from the laboratory to the industrial scale. The control of the reactivity, selectivity, and yield and the use of sufficiently mild industrial conditions are all factors that must be taken into account by industrial chemists. Amongst the tools giving controllable reactivity, selectivity, and relatively mild reaction conditions is bromine. The organic chemistry of bromine sometimes gives surprising selectivities compared to those of chlorine.This volume which is based on Orgabrom '93, brings together the main contributions presented at this event.
