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Synthetic Methods for Biologically Active Molecules

Synthetic Methods for Biologically Active Molecules
Author: Elisabetta Brenna
Publisher: John Wiley & Sons
Total Pages: 409
Release: 2013-08-29
Genre: Science
ISBN: 3527665803

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This useful reference focuses on the currently available toolbox of bio-catalysed reductions of C=O, C=C and formal C=N bonds to show which transformations can be reliably used in manufacturing processes and which still require improvements. Following an introductory chapter, chapters 2-4 present the synthetic strategies that are currently available for the reduction of C=C and C=O bonds and for reductive amination, by means of whole-cell catalysts and isolated enzymes. Chapters 5-7 go on to describe the improvements achieved thus far, illustrating the current versatility of enzymes in organic synthesis. Chapters 8-12 present the improvements brought about by the optimization of reaction conditions, and the use of particular synthetic sequences. The final chapter describes practical applications of bio-reductions for the synthesis of active pharmaceutical ingredients. With its excellent and comprehensive overview, this book will be of great interest to those working in academia and industry. From the contents: * Development of Sustainable Biocatalyzed Reduction Processes for Organic Chemists * Reductases: From Natural Diversity to Biocatalysis and Emerging Enzymatic Activities. * Synthetic Strategies Based on C=C Bioreductions * Synthetic Strategies Based on C=O Bioreductions * Development of Novel Enzymes for the Improved Reduction of C=C Double Bonds * Development of Novel Enzymes for the Improved Reduction of C=O Double Bonds * Synthetic Applications of Aminotransferases * Strategies for Cofactor Regeneration in Biocatalyzed Reductions * Effects of Solvent System and Substrate Loading in Bioreduction * Perspectives in the Use of In-Situ Product Removal (ISPR) Techniques in Bioreductions * Multi-Enzymatic Cascade Reactions Based on Reduction Processes * Relevant Practical Applications of Bioreduction Processes in the Synthesis of Active Pharmaceutical Ingredients


Modern Tools for the Synthesis of Complex Bioactive Molecules

Modern Tools for the Synthesis of Complex Bioactive Molecules
Author: Janine Cossy
Publisher: John Wiley & Sons
Total Pages: 0
Release: 2012-10-09
Genre: Science
ISBN: 9780470616185

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All the latest tools needed to plan and perform the synthesis of complex bioactive molecules Focusing on organic, organometallic, and bio-oriented processes, this book explores the impact and use of the latest synthetic tools for the synthesis of complex biologically active compounds. Readers will discover step by step how these synthetic tools have provided new, elegant solutions to many synthetic puzzles. Moreover, they will discover innovative methods that make it possible to control the exact connectivity of atoms within a molecule in order to set precise three-dimensional arrangements. Modern Tools for the Synthesis of Complex Bioactive Molecules features sixteen chapters, each one written by one or more leading experts in organic synthesis from around the world. It covers a broad range of topics that enable readers to take advantage of the latest methods for synthesizing complex molecules, including: Modern catalysis, emphasizing key transformations such as C-H functionalizations, cross-couplings, gold-catalyzed reactions, metathesis-based syntheses, and asymmetric organocatalysis Eco-compatible transformations, including rearrangements and domino reactions Tools for the synthesis of carbohydrates and alkaloids New techniques, including the use of fluorous tags and engineered biosynthesis The last two chapters explore target- and diversity-oriented organic synthesis as well as the use of DNA-based asymmetric catalysis, which are all promising tools for the successful synthesis of complex bioactive molecules. Modern Tools for the Synthesis of Complex Bioactive Molecules is ideal for students and researchers who need to plan and perform the synthesis of complex molecules as efficiently as possible. The book's expert advice will help these readers quickly resolve a broad range of problems that can arise in organic syntheses.


Biologically Active Molecules

Biologically Active Molecules
Author: Urs P. Schlunegger
Publisher: Springer Science & Business Media
Total Pages: 258
Release: 2012-12-06
Genre: Science
ISBN: 3642745822

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Over the past few years there has been a remarkable and rapid development of modern analytical methods, and the fields of nuclear magnetic resonance and mass spectrometry have been no exception. In addition to being able to do "more and faster", new innovative techniques have also arisen to contribute to a growing understanding of the relationship between chemical structure and biological activity. In order to explore a few of the more interesting points of those developments and applications, a seminar "From Biological Activity to Structure" was organized from September 5-7, 1988, at Interlaken. The four invited speakers, Richard M. Caprioli, Howard R. Morris, Wolfgang Steglich and Dudley H. Williams were kind enough to attend and discuss many facets of their research, especially methodological and technical developments and their applications to specific problems. Participants were introduced to continuous flow FAB (fast atom bombardment) and its use, for example, in the real time monitoring of biochemical reactions in vitro and in vivo; the structural elucidation of secondary metabolites from fungi; the analysis of molecule-receptor interactions; the determination of posttranslational modifications of peptides; and the location of S-S bridges in determining the tertiary structure of proteins.


Cutting-Edge Organic Synthesis and Chemical Biology of Bioactive Molecules

Cutting-Edge Organic Synthesis and Chemical Biology of Bioactive Molecules
Author: Yuichi Kobayashi
Publisher: Springer
Total Pages: 355
Release: 2019-05-30
Genre: Science
ISBN: 9811362440

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This book describes cutting-edge organic syntheses of biologically active compounds, isolation of pharmaceutically promising compounds from microorganisms, drug design, and progress on chemical biology. Synthetic strategy and tactics are summarized for super-carbon chain compounds, antitumor polycycles, aryl C-glycoside, antimycins, duocarmycins, cannabinoids, and other compounds. Special chapters are devoted to synthesis and biochemistry of fatty acid metabolites, which play a central role in the initiation and resolution of inflammation. The book provides a quick survey of trending topics in organic synthesis and chemical tools for biological investigation, and furnishes ideas for future research in organic synthesis. In addition, the contents can easily be understood by young chemists, graduate students, and those who are looking for new research based on organic chemistry.


Biotechnological Production of Bioactive Compounds

Biotechnological Production of Bioactive Compounds
Author: Madan L. Verma
Publisher: Elsevier
Total Pages: 508
Release: 2019-07-20
Genre: Technology & Engineering
ISBN: 0444643249

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Biotechnological Production of Bioactive Compounds provides insights on the most recent innovations, trends, concerns, solutions and practical challenges encountered in the fields of enzyme technology and nanobiotechnology for the production of bioactive materials with extra health benefits. As nanobiotechnology has improved the bioactive extraction process significantly, many bioactives, including bioflavonoids, omega-3 fatty acids, biopigments and low calorie sugar substitutes are a pivotal part of the food industry. The book highlights the production of extra health benefits “bioactives’’ from plants and microbes and explains how the extraction efficiency of bioactives molecules improves significantly with the recent advances in nanobiotechnology. Researchers in the fields of biochemical engineering, biotechnology, bioremediation, environmental sustainability and those in pharma industries will find the information in this book very helpful and illuminating. Outlines technological advances in bioactives extraction Covers bioflavonoids, biopigments, omega-3-fatty acids and low sugar substitutes Explains the mechanisms of Green cargo (biogenic nanoparticles) for the delivery of bioactive molecules


Green Synthetic Approaches for Biologically Relevant Heterocycles

Green Synthetic Approaches for Biologically Relevant Heterocycles
Author: Goutam Brahmachari
Publisher: Elsevier
Total Pages: 642
Release: 2021-02-26
Genre: Science
ISBN: 0128205865

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Green Synthetic Approaches for Biologically Relevant Heterocycles, Second Edition, Volume One: Advanced Synthetic Techniques reviews this significant group of organic compounds within the context of sustainable methods and processes, expanding on the first edition with fully updated coverage and a whole range of new chapters. Volume One explores advanced synthetic techniques, with each chapter presenting in-depth coverage of various green protocols for the synthesis of a wide variety of bioactive heterocycles that are classified on the basis of ring-size and/or the presence of heteroatoms. Techniques covered range from high pressure cycloaddition reactions and microwave irradiation to sustainable one-pot domino reactions. This updated edition is an essential resource on sustainable approaches for academic researchers, R&D professionals, and students working across medicinal, organic, natural product and green chemistry. Provides fully updated coverage of the field of greener heterocycle synthesis Includes new chapters on varied multicomponent reactions, alongside both traditional and novel approaches Presents information in an accessible style with an emphasis on sustainability


Asymmetric Synthesis with Chemical and Biological Methods

Asymmetric Synthesis with Chemical and Biological Methods
Author: Dieter Enders
Publisher: John Wiley & Sons
Total Pages: 470
Release: 2007-06-27
Genre: Science
ISBN: 3527610634

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Edited by two of the leading researchers in the field, this book provides a deep, interdisciplinary insight into stoichiometric and catalytic reactions in this continuously expanding area. A plethora of top German scientists with an international reputation covers various aspects, from classical organic chemistry to process development, and from the theoretical background to biological methods using enzymes. Throughout the focus is on the development of new synthetic methods in asymmetric synthesis, the synthesis of natural and bioactive compounds and the latest developments in both chemical and biological methods of catalysis, as well as the investigation of special technical and biotechnical aspects.


Beyond the Molecular Frontier

Beyond the Molecular Frontier
Author: National Research Council
Publisher: National Academies Press
Total Pages: 238
Release: 2003-03-19
Genre: Science
ISBN: 0309168392

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Chemistry and chemical engineering have changed significantly in the last decade. They have broadened their scopeâ€"into biology, nanotechnology, materials science, computation, and advanced methods of process systems engineering and controlâ€"so much that the programs in most chemistry and chemical engineering departments now barely resemble the classical notion of chemistry. Beyond the Molecular Frontier brings together research, discovery, and invention across the entire spectrum of the chemical sciencesâ€"from fundamental, molecular-level chemistry to large-scale chemical processing technology. This reflects the way the field has evolved, the synergy at universities between research and education in chemistry and chemical engineering, and the way chemists and chemical engineers work together in industry. The astonishing developments in science and engineering during the 20th century have made it possible to dream of new goals that might previously have been considered unthinkable. This book identifies the key opportunities and challenges for the chemical sciences, from basic research to societal needs and from terrorism defense to environmental protection, and it looks at the ways in which chemists and chemical engineers can work together to contribute to an improved future.


Total Synthesis of Bioactive Natural Products by Palladium-Catalyzed Domino Cyclization of Allenes and Related Compounds

Total Synthesis of Bioactive Natural Products by Palladium-Catalyzed Domino Cyclization of Allenes and Related Compounds
Author: Shinsuke Inuki
Publisher: Springer Science & Business Media
Total Pages: 115
Release: 2011-11-23
Genre: Science
ISBN: 4431540431

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The author has developed novel methodologies for highly efficient construction of functionalized heterocycles by palladium-catalyzed domino/cascade cyclization of allenes and related compounds containing appropriate nucleophilic group(s). Based on these methodologies, enantioselective total syntheses of bioactive natural products, pachastrissamine (26% overall yield in seven steps), lysergic acid (4.0% overall yield in fifteen steps), lysergol (3.6% overall yield in fifteen steps) and isolysergol (8.2% overall yield in eleven steps) have been achieved. These are more facile synthetic route than those previously reported. These findings would contribute to the development of efficient synthetic methods for biologically active compounds containing a complex structure.