• The Online Books Page

Recent Progress In The Chemical Synthesis Of Antibiotics And Related Microbial Products

Recent Progress in the Chemical Synthesis of Antibiotics and Related Microbial Products PDF Book Details:
Author: Gabor Lukacs
Publisher: Springer Verlag
ISBN:
Size: 42.62 MB
Format: PDF
Category : Medical
Languages : en
Pages : 970
View: 2537

Get Book


Recent Progress In The Chemical Synthesis Of Antibiotics And Related Microbial Products PDF

by Gabor Lukacs, Recent Progress In The Chemical Synthesis Of Antibiotics And Related Microbial Products Books available in PDF, EPUB, Mobi Format. Download Recent Progress In The Chemical Synthesis Of Antibiotics And Related Microbial Products books,


Recent Progress In The Chemical Synthesis Of Antibiotics

Recent Progress in the Chemical Synthesis of Antibiotics PDF Book Details:
Author: Gabor Lukacs
Publisher: Springer Science & Business Media
ISBN: 3642756174
Size: 53.79 MB
Format: PDF, ePub, Mobi
Category : Science
Languages : en
Pages : 803
View: 5750

Get Book


Recent Progress In The Chemical Synthesis Of Antibiotics PDF

by Gabor Lukacs, Recent Progress In The Chemical Synthesis Of Antibiotics Books available in PDF, EPUB, Mobi Format. Download Recent Progress In The Chemical Synthesis Of Antibiotics books, The use of antibiotics in the treatment by antibacterial and antifungal chemo therapy, has become standard practice since the end of World War Two and has had an enormous impact on healthcare throughout the world. Compounds belonging to this class have also reached an important place in the medical treatment of human cancer. Although, the discovery of most of these agents came from more or less sophisticated screening programs of soil microrganisms, many of the important antibiotics used today in clinical practice are derived from the original biosynthetic products by the application of often novel and generally elaborated chemical synthetic methodologies. In fact the antibiotics have represented (and still represent) for a generation of organic chemists an endless source of molecular structures whose varied assemblage of carbon atom backbones and chemical functions was beyond any possibility of imagination. Perhaps a similar repertoire of chemotypes was formerly offered by the natural products, namely the alkaloids, the terpenes, the vitamins and hormones as well as the pigments of the animal and plant kingdoms, albeit the chemical arrange ments of the antibiotic molecules appeared much more surprising and diverse to the admiring eyes of cultivated organic chemists. The idea of this book, certainly a landmark in the field, came during the Symposium of EUCHEM on Chemical Synthesis of Antibiotics, that was held at Aussois in Savoy, France (May 2-6, 1988), the initiative being taken by Gabor Lukacs to whom Masaji Ohno readily associated as a co-editor.


The Chemical Synthesis Of Natural Products

The Chemical Synthesis of Natural Products PDF Book Details:
Author: Karl Hale
Publisher: Burns & Oates
ISBN:
Size: 71.56 MB
Format: PDF, Docs
Category : Science
Languages : en
Pages : 429
View: 3332

Get Book


The Chemical Synthesis Of Natural Products PDF

by Karl Hale, The Chemical Synthesis Of Natural Products Books available in PDF, EPUB, Mobi Format. Download The Chemical Synthesis Of Natural Products books, As a chemist, you may be called on to generate any number of products efficiently and quickly. A well-equipped, shrewd chemist will be prepared to accomplish this goal under any circumstance. The Chemical Synthesis of Natural Products helps you become this chemist - the master of major, recent developments who uses the progress of the past decade to their advantage. Each of the chapters concentrates on the synthesis of a particular product: complex carbohydrates, cyclitols, polyethers, terpenes, aromatic heterocycles, carboaromatics, cyclic peptides, and others. This product-driven presentation from expert authors offers a practical introduction to the latest advanced methods. The final section is an invaluable glossary for the synthetic chemist. This list of terms concisely defines key reactions, reagents, and synthetic methods. It includes oxidation and reduction, the stereoselective creation of carbon-carbon double bonds, and strategies for joining together large molecules. The glossary also describes useful methods for introducing asymmetric stereocenters by employing chiral auxiliaries and chiral reagents in a catalytic and stoichiometric manner. With all of the accessible information it holds, The Chemical Synthesis of Natural Products is an ideally structured introduction to the newest trends and major issues in the discipline. Its sweeping overview, concise glossary, and accessible list of supplementary readings make an indispensable reference to which you will turn time and again.


Periodical Title And Abbreviation By Abbreviation

Periodical Title and Abbreviation by Abbreviation PDF Book Details:
Author: Leland G. Alkire
Publisher: Gale Group
ISBN: 9780787699185
Size: 51.99 MB
Format: PDF, Docs
Category : Reference
Languages : en
Pages : 1614
View: 7475

Get Book


Periodical Title And Abbreviation By Abbreviation PDF

by Leland G. Alkire, Periodical Title And Abbreviation By Abbreviation Books available in PDF, EPUB, Mobi Format. Download Periodical Title And Abbreviation By Abbreviation books, Volume 1 is a comprehensive dictionary with more than 230,000 entries. It covers periodicals from a wide variety of subjects, including: science, social sciences, humanities, law, medicine, religion, library science, engineering, education, business, and art. Volume 1lists, in a single in letter-by-letter sequence, abbreviations commonly used for periodicals together with their full titles.


International Books In Print

International Books in Print PDF Book Details:
Author:
Publisher:
ISBN:
Size: 48.53 MB
Format: PDF, ePub, Docs
Category : English imprints
Languages : en
Pages :
View: 3546

Get Book


International Books In Print PDF

by , International Books In Print Books available in PDF, EPUB, Mobi Format. Download International Books In Print books,


Canadian Patent Reporter

Canadian patent reporter PDF Book Details:
Author:
Publisher:
ISBN:
Size: 25.82 MB
Format: PDF, ePub, Docs
Category :
Languages : en
Pages :
View: 7547

Get Book


Canadian Patent Reporter PDF

by , Canadian Patent Reporter Books available in PDF, EPUB, Mobi Format. Download Canadian Patent Reporter books,


Handbook On The Physics And Chemistry Of Rare Earths

Handbook on the Physics and Chemistry of Rare Earths PDF Book Details:
Author: K.A. Gschneidner
Publisher: North Holland
ISBN:
Size: 30.88 MB
Format: PDF, ePub, Mobi
Category : Science
Languages : en
Pages : 436
View: 7225

Get Book


Handbook On The Physics And Chemistry Of Rare Earths PDF

by K.A. Gschneidner, Handbook On The Physics And Chemistry Of Rare Earths Books available in PDF, EPUB, Mobi Format. Download Handbook On The Physics And Chemistry Of Rare Earths books, Among the numerous applications of the rare-earth elements, the field of catalysis accounts for a large number. Catalysis represents approximately 20% of the total market sales of rare earths worldwide. As a matter of fact two main applications have been prominent in the last decades: zeolite stabilization for fluid cracking catalysts, and automotive post-combustion catalytic treatment. The oldest use of rare earths in catalysis deals with the structural and chemical stabilization of the zeolites for petroleum cracking applications. For a long time this has been an area of application for non-separated rare earths. The addition of several percent of rare earths in the pores of the zeolite results in a strong surface acidity, which is essential for an efficient conversion of high-weight molecules into lighter species, like low-octane fuel, even in the very aggressive conditions of the petroleum industry. The popular demand for high-quality air in spite of the traffic congestion in large cities resulted in larger and larger constraints in the emission exhaust from cars. Thus highly efficient catalysts have had to be designed, and due to the combination of its redox properties and very good thermal stability, cerium oxide has been since the beginning, early in the 1980s, a major component of the three-way catalysts (TWC) now used in all modern gasoline cars. The future of rare earths in catalysis is probably bright. The fact that approximately 400 patents are applied for yearly in the area since 1992 is an illustration of a very active area. Usage of rare earths in catalysis is expected to grow due to their highly specific properties. Instead of the physical properties used in electronic applications, one deals now with redox properties, water and thermal stability, coordination numbers and so forth. The rare earths are so specific in these properties that their use can hardly be avoided, not only for the beauty of academic studies but also for the development of industrial applications with immediate influence on everyday life. Careful control of the synthesis conditions and the definition of optimum composition in each case are the keys to the preparation of highly performing compounds for catalytic applications. They must actually be considered as high performance products with functional properties, and not just chemical species. Chapters devoted primarily to catalysis have been published in earlier volumes of the Handbook. In this volume several more are added. The first is an extension of the earlier chapter 43, on interactions at surfaces of metals and alloys, to reactions such as hydrogenation, methanation, ammonia synthesis, saturated hydrocarbon reactions, dehydrogenation of hydrogenated materials, hydrodesulfurization, and carbon monoxide oxidation. The second chapter reports on the wide variety of catalyzed reactions involving metals and alloys in the innovated form of metal overlayers or bimetallic compounds with some transition metals produced from ammonia solutions. This is followed by a chapter on catalysis with mixed oxides usually having perovskite or perovskite-related structures. Then follows a comprehensive discussion on the background and current role of cerium oxide and associated materials for post-treatment of exhaust gases for pollution control. These three-way catalysts (TWC) are designed to render harmless the CO, NOx, and unburned hydrocarbons from internal combustion engines. The next chapter considers the wide field of zeolite catalysts containing rare earths from their historic use in petroleum refining in the 1960s to other petrochemical and fine chemical applications today. The final chapter documents the use of the triflates (the trifluoro-methane-sulfonyl group which is a hard Lewis acid in both aqueous and organic solutions) as versatile catalysts in carbon-carbon bond-forming reactions. Their stability in the presence of water, in spite of their being hard Lewis acids, enhances their growing usefulness.


Synthesis And Chemistry Of Agrochemicals Iii

Synthesis and Chemistry of Agrochemicals III PDF Book Details:
Author: Don R. Baker
Publisher: Amer Chemical Society
ISBN:
Size: 49.36 MB
Format: PDF, Docs
Category : Technology & Engineering
Languages : en
Pages : 468
View: 939

Get Book


Synthesis And Chemistry Of Agrochemicals Iii PDF

by Don R. Baker, Synthesis And Chemistry Of Agrochemicals Iii Books available in PDF, EPUB, Mobi Format. Download Synthesis And Chemistry Of Agrochemicals Iii books, Covers the discovery, development, and optimization of new agrochemicals. Discusses new structures, new synthesis strategies, and structure-activity relationships of agrochemicals for plant control; insect, acarid, and nematode control; and fungal disease control. Also examines many of the toxicological problems encountered during development of new agrochemicals. Case histories describe the discovery and development of specific agrochemicals. Presents material and information that previously has only partially appeared in the patent literature.