Davor margetic (28 risultati)

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Paperback. Condizione: New. Davor Margetic, Ruder Boskovic Institute, Zagreb, Croatia.High pressure chemistry is a widely used methodology in organic synthesis which helps to increase the rate and to improve the efficiency of chemical processes. The current publication outlines.

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Taschenbuch. Condizione: Neu. Neuware - High pressure chemistry is a widely used methodology in organic synthesis which helps to increase the rate and to improve the efficiency of chemical processes. The current publication outlines the impact of pressure on many types of chemical reactions important from synthetic point of view and gives practical considerations how to plan and perform synthetic experiments under high pressure in the lab.…

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Hardback. Condizione: New. Mechanochemical Organic Synthesis is a comprehensive reference that not only synthesizes the current literature but also offers practical protocols that industrial and academic scientists can immediately put to use in their daily work. Increasing interest in green chemistry has led to the development of numerous environmentally-friendly methodologies for the synthesis of organic molecules of interest. Amongst the green methodologies drawing attention, mechanochemistry is emerging as a promising method to circumvent the use of toxic solvents and reagents as well as to increase energy efficiency. The development of synthetic strategies that require less, or the minimal, amount of energy to carry out a specific reaction with optimum productivity is of vital importance for large-scale industrial production. Experimental procedures at room temperature are the mildest reaction conditions (essentially required for many temperature-sensitive organic substrates as a key step in multi-step sequence reactions) and are the core of mechanochemical organic synthesis. This green synthetic method is now emerging in a very progressive manner and until now, there is no book that reviews the recent developments in this area.…

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Buch. Condizione: Neu. Neuware - Chapter 1 reviews recent progress in aryne cycloaddition reactions. The important contributions to the methodology of preparation of arynes in mild reaction conditions are described. Among them, the in-situ generation of arynes via the reaction of ortho- OTMS aryl triflates with fluoride ions is the most applicable. By this method, a variety of arynophiles was employed in the synthesis of nitrogen and oxygen containing 5-7 membered heterocycles. Instructive examples of applications in the total synthesis of natural products (radermachol, (±)-tylophorine, calothrixins, tubingensin B, (+)-hinckdentine A, cossonidine and (methyl)teretifoliones B) are presented. The importance of O-trimethylsilylaryl triflates and fluoride ions methodology for aryne generation is demonstrated in preparation of bioactive molecules and their applicability in medicinal chemistry research. Chapter 2. In addition to thermal reactions, photocycloaddition reactions are a complementary tool in synthetic organic chemistry. The employment of photochemical cycloaddition reactions proceed through different reaction mechanisms and provide access to products which could not be obtained in classical reaction conditions. This chapter is a review of excited state transformations of heterostilbenes to polycyclic structures featuring bicyclo[2.1.1], bicyclo[3.1.0] and bicyclo[3.2.1] moieties. Alongside the main products of these types, often unexpected transformations take place. Some of the photocycloaddition products display interesting biological activity. Chapter 3 reports the results of original scientific research with regards to the application of click reactions in the synthesis of 1,4-disubstituted 1,2,3-triazole conjugates with ribofuranosides and reversed nucleosides. An efficient method for the synthesis of 1,2,3-triazole bridged glycoconjugates with potential biological activity is described and fully supported with the 1H and 13C NMR spectroscopy of novel products. Chapter 4 is a comprehensive review of isocyanide-based cycloaddition reactions. This functionality is highly reactive and participates in many different cycloaddition reactions and annulations. Employment of isocyanide cycloaddition reactions led to the preparation of diverse heterocyclic structures, including asymmetric ones and their applications in medicinal chemistry, in the agricultural, chemical, and supramolecular fields, as well as in the materials sciences. Chapter 5 gives a review of the synthesis of 1,5-benzodiazepine-2,4-dione derivatives via 1,3-dipolar cycloaddition reactions. Functionalization of 1,5-benzodiazepine-2,4-dione by the cycloadditions of nitrilimines, nitrile oxides or azides led to diverse heterocyclic substitutions at positions 1, 3 and 5. Molecular structures of novel products were confirmed by X-ray crystal structure analyses. Chapter 6. Nitrile imines, nitrile oxides and azides were employed in 1,3-dipolar cycloaddition reactions with allyl and propargyl substituted 1,5-benzodiazepine, quinoxaline-2-thiones, benzimidazole and isatin to afford derivatives with heterocylic substituents: pyrazol, isoxazol and triazol. Single crystal X-ray studies of novel products were described, and their biological activity was also reported. Chapter 7. Guanidines are commonly occurring in nature and constituents some natural products with cyclic structures. Various cycloaddition reactions leading towards cyclic guanidine structures were reviewed. The review also summarized cycloaddition reactions in which functionalized guanidines were acting as the reaction partners.…

Paperback. Condizione: Brand New. 300 pages. 9.00x6.00x9.02 inches. In Stock.

Gebunden. Condizione: New. Features cutting-edge research in the field of mechanochemical organic synthesis for more sustainable reactions Integrates advances in green chemistry research into industrial applications and process development Focuses on design.

Hardback. Condizione: New. Mechanochemical Organic Synthesis is a comprehensive reference that not only synthesizes the current literature but also offers practical protocols that industrial and academic scientists can immediately put to use in their daily work. Increasing interest in green chemistry has led to the development of numerous environmentally-friendly methodologies for the synthesis of organic molecules of interest. Amongst the green methodologies drawing attention, mechanochemistry is emerging as a promising method to circumvent the use of toxic solvents and reagents as well as to increase energy efficiency. The development of synthetic strategies that require less, or the minimal, amount of energy to carry out a specific reaction with optimum productivity is of vital importance for large-scale industrial production. Experimental procedures at room temperature are the mildest reaction conditions (essentially required for many temperature-sensitive organic substrates as a key step in multi-step sequence reactions) and are the core of mechanochemical organic synthesis. This green synthetic method is now emerging in a very progressive manner and until now, there is no book that reviews the recent developments in this area.…

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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware - Mechanochemical Organic Synthesis is a comprehensive reference that not only synthesizes the current literature but also offers practical protocols that industrial and academic scientists can immediately put to use in their daily work. Increasing interest in green chemistry has led to the development of numerous environmentally-friendly methodologies for the synthesis of organic molecules of interest. Amongst the green methodologies drawing attention, mechanochemistry is emerging as a promising method to circumvent the use of toxic solvents and reagents as well as to increase energy efficiency. The development of synthetic strategies that require less, or the minimal, amount of energy to carry out a specific reaction with optimum productivity is of vital importance for large-scale industrial production. Experimental procedures at room temperature are the mildest reaction conditions (essentially required for many temperature-sensitive organic substrates as a key step in multi-step sequence reactions) and are the core of mechanochemical organic synthesis. This green synthetic method is now emerging in a very progressive manner and until now, there is no book that reviews the recent developments in this area. Englisch.…

Buch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Mechanochemical Organic Synthesis is a comprehensive reference that not only synthesizes the current literature but also offers practical protocols that industrial and academic scientists can immediately put to use in their daily work. Increasing interest in green chemistry has led to the development of numerous environmentally-friendly methodologies for the synthesis of organic molecules of interest. Amongst the green methodologies drawing attention, mechanochemistry is emerging as a promising method to circumvent the use of toxic solvents and reagents as well as to increase energy efficiency. The development of synthetic strategies that require less, or the minimal, amount of energy to carry out a specific reaction with optimum productivity is of vital importance for large-scale industrial production. Experimental procedures at room temperature are the mildest reaction conditions (essentially required for many temperature-sensitive organic substrates as a key step in multi-step sequence reactions) and are the core of mechanochemical organic synthesis. This green synthetic method is now emerging in a very progressive manner and until now, there is no book that reviews the recent developments in this area.…