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Author: Carlos C. McAlpine
Publisher:
ISBN: 9781536155990
Category : Thiols
Languages : en
Pages : 108
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Book Description
The thiol (-SH) is an essential functional group in the biological system. The -SH groups play a catalytic and structural role in enzymes and proteins that participate in the defense against reactive oxygen species, detoxification, signal transduction, energy production, apoptosis, and other biological functions. In this compilation, the authors begin by exploring how the inorganic and organic forms of mercury interact with these macromolecules. In the following study, thiol-methacrylate networks based on a tetrafunctional thiol and dimethacrylate monomers were prepared by both photopolymerization and amine-catalyzed Michael addition reaction. The progress of the polymerization reaction was monitored by FTIR and Raman spectroscopy. The cured materials were characterized by measuring the glass transition temperature, the flexural modulus, and the compressive strength. In the closing study, a novel and efficient protocol is presented which has been developed for the synthesis of symmetrical disulfides from thiols using thionyl chloride as the sole oxidizing agent at ambient conditions. Also, a tentative mechanism has been reported for the reaction.
Author: Carlos C. McAlpine
Publisher:
ISBN: 9781536155990
Category : Thiols
Languages : en
Pages : 108
Get Book Here
Book Description
The thiol (-SH) is an essential functional group in the biological system. The -SH groups play a catalytic and structural role in enzymes and proteins that participate in the defense against reactive oxygen species, detoxification, signal transduction, energy production, apoptosis, and other biological functions. In this compilation, the authors begin by exploring how the inorganic and organic forms of mercury interact with these macromolecules. In the following study, thiol-methacrylate networks based on a tetrafunctional thiol and dimethacrylate monomers were prepared by both photopolymerization and amine-catalyzed Michael addition reaction. The progress of the polymerization reaction was monitored by FTIR and Raman spectroscopy. The cured materials were characterized by measuring the glass transition temperature, the flexural modulus, and the compressive strength. In the closing study, a novel and efficient protocol is presented which has been developed for the synthesis of symmetrical disulfides from thiols using thionyl chloride as the sole oxidizing agent at ambient conditions. Also, a tentative mechanism has been reported for the reaction.
Author: Beatriz Alvarez
Publisher: Elsevier
ISBN: 0323902197
Category : Science
Languages : en
Pages : 746
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Book Description
Redox Chemistry and Biology of Thiols offers an applied, comprehensive overview of redox chemistry and biology of thiol-dependent processes. Running from basic biology and chemistry of redox phenomena to research methods and highlighting recently identified roles of thiols across cellular and bodily systems, this book draws upon a range of disciplines to illuminate new research directions, new applications of thiol studies, and clinical translation. Sections cover thiol oxidizing species, thiol reactivity and modifications, thioredoxin, glutaredoxin, glutathione, peroxidases, thiol repair enzymes, thiol oxidative signaling, disulfide bond formation, thiol-based redox biosensors, cysteine and hydrogen sulfide metabolism, iron-sulfur cluster biogenesis, thiols in chloroplasts, blood thiols, sugar and polyamine thiols in pathogenic organisms, redox medicine (therapeutic applications of thiols and drug development), as well as methods and bioinformatics tools. Runs from basic thiol biology and chemistry to applications and clinical translation Provides methods and protocols that will power new research across biomedicine, cell biology, plant biology, drug development, and protein folding and modulation Includes chapter contributions from international leaders in the field
Author: Ismayil A. Aliyev
Publisher: Springer Nature
ISBN: 3030696219
Category : Science
Languages : en
Pages : 388
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Book Description
This book is devoted to the synthetic and physical chemistry of aromatic thiols and their closest derivatives, sulfides, sulfoxides, sulfones, including those substituted by various functional groups such as acyl and thioacyl, alkoxide, ester, hydroxyl and halogens. In some cases, for comparison, selenium and oxygen analogues are also detailed. The main focus of the book is on synthetic methods, both traditional and new, based on the use of transition metals as catalysts, as well as the reactivity of the compounds obtained. Its addition to the influence of conformational and electronic factors on spectral (NMR, IR, UV, NQR) and electrochemical characteristics of the compounds is presented. Finally, the book describes the application of aromatic thiols and their derivatives as drug precursors, high-tech materials, building blocks for organic synthesis, analytical reagents and additives for oils and fuels. It is a useful handbook for all those interested in organosulfur chemistry.
Author: Beatriz Alvarez
Publisher: Academic Press
ISBN: 0323915663
Category : Science
Languages : en
Pages : 748
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Book Description
Redox Chemistry and Biology of Thiols offers an applied, comprehensive overview of redox chemistry and biology of thiol-dependent processes. Running from basic biology and chemistry of redox phenomena to research methods and highlighting recently identified roles of thiols across cellular and bodily systems, this book draws upon a range of disciplines to illuminate new research directions, new applications of thiol studies, and clinical translation. Sections cover thiol oxidizing species, thiol reactivity and modifications, thioredoxin, glutaredoxin, glutathione, peroxidases, thiol repair enzymes, thiol oxidative signaling, disulfide bond formation, thiol-based redox biosensors, cysteine and hydrogen sulfide metabolism, iron-sulfur cluster biogenesis, thiols in chloroplasts, blood thiols, sugar and polyamine thiols in pathogenic organisms, redox medicine (therapeutic applications of thiols and drug development), as well as methods and bioinformatics tools. - Runs from basic thiol biology and chemistry to applications and clinical translation - Provides methods and protocols that will power new research across biomedicine, cell biology, plant biology, drug development, and protein folding and modulation - Includes chapter contributions from international leaders in the field
Author: Lawrence J. Berliner
Publisher: Springer Nature
ISBN: 303047318X
Category : Science
Languages : en
Pages : 241
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Book Description
This book describes the methods of analysis and determination of oxidants and oxidative stress in biological systems. Reviews and protocols on select methods of analysis of ROS, RNS, oxygen, redox status, and oxidative stress in biological systems are described in detail. It is an essential resource for both novices and experts in the field of oxidant and oxidative stress biology.
Author: Andrew B. Lowe
Publisher: Royal Society of Chemistry
ISBN: 184973660X
Category : Science
Languages : en
Pages : 337
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Book Description
A comprehensive resource on thiol-x chemistries for postgraduates, academics and industrial practitioners interested in polymer and materials applications from leading experts in the field.
Author: Peter G. M. Wuts
Publisher: John Wiley & Sons
ISBN: 1118589327
Category : Science
Languages : en
Pages : 1108
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Book Description
The Fourth Edition of Greene's Protective Groups in Organic Synthesis continues to be an indispensable reference for controlling the reactivity of the most common functional groups during a synthetic sequence. This new edition incorporates the significant developments in the field since publication of the third edition in 1998, including... New protective groups such as the fluorous family and the uniquely removable 2-methoxybenzenesulfonyl group for the protection of amines New techniques for the formation and cleavage of existing protective groups, with examples to illustrate each new technique Expanded coverage of the unexpected side reactions that occur with protective groups New chart covering the selective deprotection of silyl ethers 3,100 new references from the professional literature The content is organized around the functional group to be protected, and ranges from the simplest to the most complex and highly specialized protective groups.
Author:
Publisher: Academic Press
ISBN: 0123810043
Category : Science
Languages : en
Pages : 389
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Book Description
This volume, along with its companion (volume 474), presents methods and protocols dealing with thiol oxidation-reduction reactions and their implications as they relate to cell signaling. The critically acclaimed laboratory standard for 40 years, Methods in Enzymology is one of the most highly respected publications in the field of biochemistry. Since 1955, each volume has been eagerly awaited, frequently consulted, and praised by researchers and reviewers alike. Over 450 volumes have been published to date, and much of the material is relevant even today--truly an essential publication for researchers in all fields of life sciences. - Along with companion volume, provides a full overview of techniques necessary to the study of thiol redox in relation to cell signaling - Gathers tried and tested techniques from global labs, offering both new and tried-and-true methods - Relevant background and reference information given for procedures can be used as a guide to developing protocols in a number of disciplines
Author: N. Kharasch
Publisher: Elsevier
ISBN: 1483224856
Category : Science
Languages : en
Pages : 637
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Book Description
Organic Sulfur Compounds, Volume I deals with the chemistry of organic sulfur compounds such as disulfides, polysulfides, olefins, acetylenes, and chloroethylenes. Topics covered range from the inorganic acids of sulfur and the thermodynamics of organic sulfur compounds to some applications of isotopic sulfur and the stereochemistry of disulfides and polysulfides. The mechanism of oxidation of thiols to disulfides is also discussed. Comprised of 40 chapters, this volume first considers the precise structures of elemental sulfur in relation to the reactions of sulfur compounds, followed by an analysis of the inorganic acids of sulfur. The reader is then introduced to the thermodynamics of organic sulfur compounds and the bonding characteristics of the sulfur atom, as well as the infrared spectra of organosulfur compounds. Subsequent chapters focus on the ionic scission of the sulfur-sulfur bond; nucleophilic reactions of thiols with acetylene and chloroethylene; reactions of sulfur with olefins; and the chemistry of isothiocyanates. This book should prove useful to advanced students, practitioners, and research workers in the field of organic chemistry.
Author: Andrew B Lowe
Publisher: Royal Society of Chemistry
ISBN: 1849736960
Category : Science
Languages : en
Pages : 337
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Book Description
Thiol-X chemistries are already well established techniques, but it is only recently that they have been exploited for the functionalization and synthesis of polymers and other materials. As such, information on these techniques is scattered across the literature and Thiol-X Chemistries in Polymer and Materials Science is the first book to compile work specifically focussing on the application of thiol-based chemistries in materials design and synthesis. The book introduces the various thiol-X chemistries currently available and applications where they have been successfully used, including examples of 'click' processes, in polymerizations, polymer synthesis, and polymer modification. Short 'how to' sections within the chapters also provide general experimental techniques to employ the various chemistries described. Written by leading experts in the field, this book is a comprehensive resource for postgraduates, academics and industrial practitioners interested in polymer and materials applications.
