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Synthesis And Reactions Of Thiophene 25 Dihydrothiophene Benzobthiophene And Selenophene Transition Metal Complexes
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Book Synopsis Synthesis and Reactions of Thiophene, 2,5-dihydrothiophene, Benzo[b]thiophene and Selenophene Transition Metal Complexes by : Moon-Gun Choi
Download or read book Synthesis and Reactions of Thiophene, 2,5-dihydrothiophene, Benzo[b]thiophene and Selenophene Transition Metal Complexes written by Moon-Gun Choi and published by . This book was released on 1990 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selenophene Transition Metal Complexes by :
Download or read book Selenophene Transition Metal Complexes written by and published by . This book was released on 1994 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research shows that selenophene transition metal complexes have a chemistry that is similar to their thiophene analogs. Selenophene coordination has been demonstrated and confirmed by molecular structure in both the [eta]5- and the [eta]1(Se)-coordination modes. The reaction chemistry of selenophene complexes closely resembles that of the analogous thiophene complexes. One major difference, however, is that selenophene is a better donor ligand than thiophene making the selenophene complexes more stable than the corresponding thiophene complexes. The 77Se NMR chemical shift values for selenophene complexes fall within distinct regions primarily depending on the coordination mode of the selenophene ligand. In the final paper, the C-H bond activation of [eta]1(S)-bound thiophenes, [eta]1(S)-benzothiophene and [eta]1(Se)-bound selenophenes has been demonstrated. The deprotonation and rearrangement of the [eta]1(E)-bound ligand to the carbon bound L-yl complex readily occurs in the presence of base. Reprotonation with a strong acid gives a carbene complex that is unreactive towards nucleophilic attack at the carbene carbon and is stable towards exposure to air. The molecular structure of [Cp(NO)(PPh3)Re(2-benzothioenylcarbene)]O3SCF3 was determined and contains a Re-C bond with substantial double bond character. Methyl substitution for the thienylcarbene or selenylcarbene gives a carbene that rearranges thermally to give back the [eta]1(E)-bound complex. Based on these model reactions, a new mechanism for the H/D exchange of thiophene over the hydrodesulfurization catalyst has been proposed.
Download or read book Sulfur Chemistry written by Xuefeng Jiang and published by Springer Nature. This book was released on 2019-08-28 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field.
Book Synopsis Transition Metal Sulphides by : Th. Weber
Download or read book Transition Metal Sulphides written by Th. Weber and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrotreating catalysis with transition metal sulphides is one of the most important areas of industrial heterogeneous catalysis. The present book deals with the chemical and catalytic aspects of transition metal sulphides, focusing on their use in hydrotreating catalysis. The book¿s 12 chapters present reviews of solid-state, coordination and organometallic chemistry, surface science and spectroscopic studies, quantum chemical calculations, catalytic studies with model and real catalysts, as well as refinery processes. A presentation of state-of-the-art background to pertinent work in the field. Can be used as an introduction to the chemical and catalytic properties of transition metal sulphides as well as an advanced level reference.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1991-07 with total page 1444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report 1989-90 by : New Brunswick. Department of Transportation
Download or read book Annual Report 1989-90 written by New Brunswick. Department of Transportation and published by . This book was released on 1991 with total page 1272 pages. Available in PDF, EPUB and Kindle. Book excerpt: General activity review of associated branches and agencies to the Department which includes corporate securities registrations, a list of tenders received, and general financial data. Branches and agencies reviewed are responsible for motor vehicle activity, highway construction, traffic engineering, telecommunications and public utilities.
Book Synopsis The Chemistry of Heterocycles by : Vishnu Ji Ram
Download or read book The Chemistry of Heterocycles written by Vishnu Ji Ram and published by Elsevier. This book was released on 2019-06-05 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterocycles are ubiquitously present in nature and occupy a unique place in organic chemistry as they are part of the DNA and haemoglobin that make life possible. The Chemistry of Heterocycles covers an introduction to the topic, followed by a chapter on the nomenclature of all classes of isolated, fused and polycyclic heterocycles. The third chapter delineates the highly strained three membered N,O and S containing aromatic and non-aromatic heterocycles with one and more than one similar and dissimilar heteroatom. The four-membered heterocycles are abundantly present in various natural and synthetic products of pharmacological importance. This chapter describes the natural abundance, synthesis, chemical reactivity, structural features and their medicinal importance. This class of compounds are present as sub-structures in penicillin and cytotoxic Taxol. Lastly, a chapter on the natural abundance, synthesis, chemical reactivity and pharmacological importance of 5-membered heterocycles with N,O,S heteroatom is covered. The chemistry of heterocycles with mixed heteroatom such as, N-S, N-O, N-S etc. is also described. Gives in-depth, clear information about various systems of nomenclature along with widely acceptable IUPAC system for naming various classes of heterocycles Provides complete information about natural occurrences, synthesis, chemical reactivity, pharmacological importance of heterocycles and their application in material science Highly relevant for graduate students and researchers, providing updated information about various isolated and fused N,O and,S containing heterocycles
Book Synopsis Targets in Heterocyclic Systems by :
Download or read book Targets in Heterocyclic Systems written by and published by . This book was released on 1997 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Carboranes written by Russell N. Grimes and published by Academic Press. This book was released on 2016-08-09 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carboranes, Third Edition, by Russell Grimes, is the definitive resource on the subject. Completely updated with a wealth of research and review articles published in this active field since the previous volume was released in 2011, the book provides a readable and concise introduction to the basic principles underlying the synthesis, structures, and reactions of carboranes, heterocarboranes, and metallacarboranes. Following the valuable foundational information, the book explores the advances in practical applications for the many areas in which experts have discovered that carboranes afford new possibilities for solving problems and advancing the science. These disciplines include polymer science, catalysis, biomedicine, nanomaterials, and others. Winner of a 2017 Textbook Excellence Award (Texty) from the Textbook and Academic Authors Association Includes over 2,000 molecular structure drawings throughout the text Features expanded coverage on applications of carboranes, particularly in biomedicine and nanomaterials, given the growth of research in these areas Presents extended and updated tables, listing thousands of compounds with key literature references, provided online via the book’s website Explores the advances in practical applications for the many areas in which experts have discovered that carboranes afford new possibilities for solving problems and advancing the science
Book Synopsis Handbook of Heterocyclic Chemistry by : Alan R. Katritzky
Download or read book Handbook of Heterocyclic Chemistry written by Alan R. Katritzky and published by Elsevier. This book was released on 2017-01-31 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a one-volume overall picture of the largest of the classical divisions of organic chemistry, suitable for the graduate or advanced undergraduate student, as well as for research workers, both specialists in the field and those engaged in another discipline and requiring knowledge of heterocyclic chemistry. It represents Volume 9 of Comprehensive Heterocyclic Chemistry and utilizes the general chapters which appear in the 8-volume work. The highly systematic coverage given to the subject makes this the most authoritative one-volume account of modern heterocyclic chemistry available.
Book Synopsis Organic Light Emitting Devices by : Klaus Müllen
Download or read book Organic Light Emitting Devices written by Klaus Müllen and published by John Wiley & Sons. This book was released on 2006-05-12 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This high-class book reflects a decade of intense research, culminating in excellent successes over the last few years. The contributions from both academia as well as the industry leaders combine the fundamentals and latest research results with application know-how and examples of functioning displays. As a result, all the four important aspects of OLEDs are covered: - syntheses of the organic materials - physical theory of electroluminescence and device efficiency - device conception and construction - characterization of both materials and devices. The whole is naturally rounded off with a look at what the future holds in store. The editor, Klaus Muellen, is director of the highly prestigious MPI for polymer research in Mainz, Germany, while the authors include Nobel Laureate Alan Heeger, one of the most notable founders of the field, Richard Friend, as well as Ching Tang, Eastman Kodak's number-one OLED researcher, known throughout the entire community for his key publications.
Book Synopsis Fundamentals of Heterocyclic Chemistry by : Louis D. Quin
Download or read book Fundamentals of Heterocyclic Chemistry written by Louis D. Quin and published by John Wiley & Sons. This book was released on 2010-07-08 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterocyclic chemistry is of prime importance as a sub-discipline of Organic Chemistry, as millions of heterocyclic compounds are known with more being synthesized regularly Introduces students to heterocyclic chemistry and synthesis with practical examples of applied methodology Emphasizes natural product and pharmaceutical applications Provides graduate students and researchers in the pharmaceutical and related sciences with a background in the field Includes problem sets with several chapters
Book Synopsis Heterocycles in Life and Society by : Alexander F. Pozharskii
Download or read book Heterocycles in Life and Society written by Alexander F. Pozharskii and published by John Wiley & Sons. This book was released on 2011-03-31 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterocycles in Life and Society is an introduction to the chemistry of heterocyclic compounds, focusing on their origin and occurrence in nature, biochemical significance and wide range of applications. Written in a readable and accessible style, the book takes a multidisciplinary approach to this extremely important area of organic chemistry. Topics covered include an introduction to the structure and properties of heterocycles; the key role of heterocycles in important life processes such as the transfer of hereditary information, how enzymes function, the storage and transport of bioenergy, and photosynthesis; applications of heterocycles in medicine, agriculture and industry; heterocycles in supramolecular chemistry; the origin of heterocycles on primordial Earth; and how heterocycles can help us solve 21st century challenges. For this second edition, Heterocycles in Life and Society has been completely revised and expanded, drawing on a decade of innovation in heterocyclic chemistry. The new edition includes discussions of the role of heterocycles in nanochemistry, green chemistry, combinatorial chemistry, molecular devices and sensors, and supramolecular chemistry. Impressive achievements include the creation of various molecular devices, the recording and storage of information, the preparation of new organic conductors, and new effective drugs and pesticides with heterocyclic structures. Much new light has been thrown on various life processes, while the chemistry of heterocycles has expanded to include new types of heterocyclic structures and reactions, and the use of heterocyclic molecules as ionic liquids and proton sponges. Heterocycles in Life and Society is an essential guide to this important field for students and researchers in chemistry, biochemistry, and drug discovery, and scientists at all levels wishing to expand their scientific horizon.
Book Synopsis Targets in Heterocyclic Systems by : Orazio A. Attanasi
Download or read book Targets in Heterocyclic Systems written by Orazio A. Attanasi and published by . This book was released on 2009-07-20 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 11 keeps the international standard of the THS series, covering the synthesis, reactivity, activity (including medicinal) and mass spectrometry of different systems.
Download or read book Alkaloids written by S. William Pelletier and published by . This book was released on 1983 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Human Toxicology written by J. Descotes and published by Elsevier. This book was released on 1996-09-02 with total page 859 pages. Available in PDF, EPUB and Kindle. Book excerpt: This excellent volume was designed and edited with two major ideas in mind: firstly, the field of clinical toxicology is changing and an acknowledgement of these changes is warranted; secondly, no comprehensive compilation of recently published case reports of, and clinical studies on, human poisonings is available, which is in sharp contrast to the closely related field of drug-induced side-effects. The book focusses on issues of recent concern, or issues poorly documented in the past. It is important that clinical toxicologists gain a better knowledge of all the available techniques of toxicological analysis. A better understanding of the way a sound interpretation of results should be conducted for the benefit of the patient's management, and a comprehensive set of data on the kinetics of the most common pharmaceutical drugs and many chemicals is required. Human Toxicology is a timely reference work which will be welcomed by a broad audience of toxicology professionals.
Book Synopsis Advances in Molecular Toxicology by :
Download or read book Advances in Molecular Toxicology written by and published by Academic Press. This book was released on 2015-10-11 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Molecular Toxicology features the latest advances in the subspecialties of the broad area of molecular toxicology. This series details the study of the molecular basis of toxicology by which a vast array of agents encountered in the human environment and produced by the human body manifest themselves as toxins. The book is not strictly limited to documenting these examples, but also covers the complex web of chemical and biological events that give rise to toxin-induced symptoms and disease. The new technologies that are being harnessed to analyze and understand these events will also be reviewed by leading workers in the field.