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Books > Medicine > Other branches of medicine > Pharmacology > General

Meyler's Side Effects of Analgesics and Anti-inflammatory Drugs (Hardcover): Jeffrey K. Aronson Meyler's Side Effects of Analgesics and Anti-inflammatory Drugs (Hardcover)
Jeffrey K. Aronson
R1,452 Discovery Miles 14 520 Ships in 10 - 15 working days

Elsevier now offers a series of derivative works based on the acclaimed "Meyler s Side Effect of Drugs, 15th Edition." These individual volumes are grouped by specialty to benefit the practicing biomedical researcher and/or clinician.
Opioids and analgesics are members of a diverse group of drugs used to relieve pain. They are frequently used in combination with prescription and nonprescription pain relievers, and misuse is prevalent. Pain medicine specialists and physicians or surgeons will find this volume useful in prescribing the appropriate drugs for pain therapy and for preventing misuse of the medication.
* The only drug guide that includes clinical case studies and expert analysis
* "UNIQUE " Features not only analgesics and anti-inflammatory drugs, but also all other drugs that act in an analgesic or anti-inflammatory manner
* Most complete cross referencing of drug-drug interactions available
* Latest content from the most highly regarded compilation of drug side effects: "Side Effects of Drugs Annual" serial"

Handbook of the Behavioral Neurobiology of Serotonin, Volume 21 (Hardcover): Christian P. Muller, Barry Jacobs Handbook of the Behavioral Neurobiology of Serotonin, Volume 21 (Hardcover)
Christian P. Muller, Barry Jacobs
R4,000 Discovery Miles 40 000 Ships in 10 - 15 working days

Serotonin (5-hydroxytryptamine, often cited as 5-HT) is one of the major excitatory neurotransmitter, and the serotonergic system is one of the best studied and understood transmitter systems. It is crucially involved in the organization of virtually all behaviours and in the regulation of emotion and mood. Alterations in the serotonergic system, induced by e.g. learning or pathological processes, underlie behavioural plasticity and changes in mood, which can finally results in abnormal behaviour and psychiatric conditions. Not surprisingly, the serotonergic system and its functional components appear to be targets for a multitude of pharmacological treatments - examples of very successful drugs targeting the serotoninergic system include Prozac and Zoloft.
The last decades of research have not only fundamentally expanded our view on serotonin but also revealed in much more detail an astonishing complexity of this system, which comprises a multitude of receptors and signalling pathways. A detailed view on its role in basal, but also complex, behaviours emerged, and, was presented in a number of single review articles. Although much is known now, the serotonergic system is still a fast growing field of research contributing to our present understanding of the brains function during normal and disturbed behaviour.
This handbook aims towards a detailed and comprehensive overview over the many facets of behavioural serotonin research. As such, it will provide the most up to date and thorough reading concerning the serotonergic systems control of behaviour and mood in animals and humans. The goal is to create a systematic overview and first hand reference that can be used by students and scholars alike in the fields of genetics, anatomy, pharmacology, physiology, behavioural neuroscience, pathology, and psychiatry. The chapters in this book will be written by leading scientists in this field. Most of them have already written excellent reviews in their field of expertise.
The book is divided in 4 sections. After an historical introduction, illustrating the growth of ideas about serotonin function in behaviour of the last forty years, section A will focus on the functional anatomy of the serotonergic system. Section B provides a review of the neurophysiology of the serotonergic system and its single components. In section C the involvement of serotonin in behavioural organization will be discussed in great detail, while section D deals with the role of serotonin in behavioural pathologies and psychiatric disorders.

* The first handbook broadly discussing the behavioral neurobiology of the serotonorgic transmitter system
* Co-edited by one of the pioneers and opinion leaders of the past decades, Barry Jacobs (Princeton), with an international list (10 countries) of highly regarded contributors providing over 50 chapters, and including the leaders in the field in number of articles and citations: K. P. Lesch, T. Sharp, A. Caspi, P. Blier, G.K. Aghajanian, E. C. Azmitia, and others
* The only integrated and complete resource on the market containing the best information integrating international research, providing a global perspective to an international community.
* Of great value not only for researchers and experts, but also for students and clinicians as a background reference.

That High Design Of Purest Gold: A Critical History Of The Pharmaceutical Industry, 1880-2020 (Paperback): Graham Dutfield That High Design Of Purest Gold: A Critical History Of The Pharmaceutical Industry, 1880-2020 (Paperback)
Graham Dutfield
R1,746 Discovery Miles 17 460 Ships in 18 - 22 working days

This book is a history of medicines and the commercial actors that make and sell them, covering the 140 years since the modern pharmaceutical industry came into being. It is written in a lively and accessible way, aiming at a general audience that combines historical narrative with fascinating case studies on drug discovery and commercialization, from the rat poison that became warfarin, to a cardiovascular treatment that was turned into Viagra. In a non-partisan way it also examines some of the less noble manifestations of corporate behavior, concluding with an agenda for reform.It is hard to think of anything nobler than to bring to the world a medicine that saves lives. And over 140 years of history, the pharmaceutical industry has produced a range of remarkable products, albeit typically with external scientific and financial support. Making medicines is a very big and profit-driven business, and the industry does not always make the right products for the right people, or at the right prices.The industry wields immense power over lives and economies. How has it risen to this position of dominance? Are the interests of the industry and the public in balance? What should we admire about the industry? What should we criticise and seek to change? The importance of this book lies in the fact that we are all stakeholders in this industry whether or not we own shares, so we all need answers to these questions.Related Link(s)

Advances in Neuropharmacology, Volume 85 (Hardcover): Giacinto Bagetta, M. Tiziana Corasaniti, T. Sakurada, S. Sakurada Advances in Neuropharmacology, Volume 85 (Hardcover)
Giacinto Bagetta, M. Tiziana Corasaniti, T. Sakurada, S. Sakurada
R4,866 Discovery Miles 48 660 Ships in 10 - 15 working days

This volume provides a broad overview of important new advances in the field of Neuropharmacology. In 20 chapters, a selection of international contributors discuss topics including endocannabinoid function, pain, stress, astrocytes etc, and new possibilities for treatments of neurological diseases with neuropharmacological approaches.
- Cutting-edge articles in neuropharmacology
- Discusses new possibilities for treatments of neurological disorders
- Very international authorship providing a global view of the state of research

The Electro-therapeutic Guide; or, A Thousand Questions Asked and Answered (Hardcover): Homer Clark 1865-1928 Bennett The Electro-therapeutic Guide; or, A Thousand Questions Asked and Answered (Hardcover)
Homer Clark 1865-1928 Bennett
R1,014 Discovery Miles 10 140 Ships in 10 - 15 working days
Extra Pharmacopoeia - With the Additions Introduced Into the British Pharmacopoeia 1885 (Hardcover): William 1840-1902... Extra Pharmacopoeia - With the Additions Introduced Into the British Pharmacopoeia 1885 (Hardcover)
William 1840-1902 Martindale; Created by Julian (Donor) Westcott W W Verbov, Royal College of Physicians of London
R981 Discovery Miles 9 810 Ships in 10 - 15 working days
Meyler's Side Effects of Cardiovascular Drugs (Hardcover): Jeffrey K. Aronson Meyler's Side Effects of Cardiovascular Drugs (Hardcover)
Jeffrey K. Aronson
R1,604 R1,172 Discovery Miles 11 720 Save R432 (27%) Ships in 10 - 15 working days

Elsevier now offers a series of derivative works based on the acclaimed Meylers Side Effect of Drugs, 15th Edition. These individual volumes are grouped by specialty to benefit the practicing physician or health care clinician.

Each year, heart disease kills more people than cancer. Patients are treated by a variety of specialists and primary care practitioners, depending on the organ system involved. This volume enables practitioners to assess the adverse effects of the complete range of drugs used in cardiovascular medicine, including antihypertensive drugs, and drugs used in the treatment of heart failure, angina, angina pectoris, and cardiac arrhythmia and enable practitioners to prescribe preventative treatments with medications such as blood pressure reducers, aspirin, and cholesterol-lowering drugs, as well as drugs used for more aggressive therapy.

The material is drawn from the 15th edition of the internationally renowned encyclopedia, Meyler s Side Effects of Drugs, and the latest volumes in the companion series, Side Effects of Drugs Annuals. Drug names have usually been designated by their recommended or proposed International Non-proprietary Names (rINN or pINN); when those are not available, clinical names have been used. In some cases, brand names have been used.

This volume is critical for any health professional involved in the administration of cardiovascular mediations.
Surpasses the Physician s Desk Reference (c) by including clinical case studies and independent expert analysisComplete index of drug namesMost complete cross referencing of drug-drug interactions availableExtensive references to primary and secondary literatureAlso includes information on adverse effects in pregnancy

The book is divided into six sections:

Drugs used to treat hypertension, heart failure and angina pectorisDiuretics - a general introduction to their adverse effects, followed by monographs on individual drugsAntidysrhythmic drugs - a general introduction to their adverse effects, followed by monographs on individual drugsDrugs that act on the cerebral and peripheral circulationsAnticoagulants, thrombolytic agents, and anti-platelet drugsCardiovascular adverse effects of non-cardiovascular drugs "

Profiles of Drug Substances, Excipients and Related Methodology, Volume 34 (Hardcover, 34th edition): Harry G. Brittain Profiles of Drug Substances, Excipients and Related Methodology, Volume 34 (Hardcover, 34th edition)
Harry G. Brittain
R5,877 Discovery Miles 58 770 Ships in 10 - 15 working days

Volumes in this widely revered series present comprehensive reviews of drug substances and additional materials, with critical review chapters that summarize information related to the characterization of drug substances and excipients. This organizational structure meets the needs of the pharmaceutical community and allows for the development of a timely vehicle for publishing review materials on this topic.
The scope of the Profiles series encompasses review articles and database compilations that fall within one of the following six broad categories: Physical profiles of drug substances and excipients; Analytical profiles of drug substances and excipients; Drug metabolism and pharmacokinetic profiles of drug substances and excipients; Methodology related to the characterization of drug substances and excipients; Methods of chemical synthesis; and Reviews of the uses and applications for individual drug substances, classes of drug substances, or excipients.
* Presents comprehensive reviews covering all aspects of drug development and formulation of drugs
* Profiles creatine monohydrate and fexofenadine hydrochloride, as well as five others
* Meets the information needs of the drug development community

Progress in Medicinal Chemistry, Volume 47 (Hardcover, 47th edition): G. Lawton, David R. Witty Progress in Medicinal Chemistry, Volume 47 (Hardcover, 47th edition)
G. Lawton, David R. Witty
R4,927 Discovery Miles 49 270 Ships in 10 - 15 working days

This volume provides reviews of six topics demonstrating the breadth of the field and recent successes in medicinal chemistry. Each of the first five chapters takes an important biochemical target as its theme and provides an insight into current progress in drug design. The last chapter focuses on the vital subject of pharmacokinetics and the great strides that have been made in this discipline during the past decade. All chapters provide an insight into the skills required of the modern medicinal chemist, in particular, the use of an appropriate selection of the wide range of tools now available to solve key scientific problems.
*Presents the latest research in the field of drug discovery
*Publishes on a twice yearly basis to bring you the most innovative updates in medicinal chemistry
*Available as an online resource via ScienceDirect

Medicinal Plants in Asia and Pacific for Parasitic Infections - Botany, Ethnopharmacology, Molecular Basis, and Future Prospect... Medicinal Plants in Asia and Pacific for Parasitic Infections - Botany, Ethnopharmacology, Molecular Basis, and Future Prospect (Paperback)
Christophe Wiart
R3,541 Discovery Miles 35 410 Ships in 10 - 15 working days

Medicinal Plants in Asia and Pacific for Parasitic Infections: Botany, Ethnopharmacology, Molecular Basis, and Future Prospect offers an in-depth view into antiprotozoal pharmacology of natural products from medicinal plants in Asia with an emphasis on their molecular basis, cellular pathways, and cellular targets. This book provides scientific names, botanical classifications, botanical description, medicinal uses, chemical constituents and antiprotozoal activity of more than 100 Asian medicinal plants, with high quality original botanical plates, chemical structures, and pharmacological diagrams and lists hundreds of carefully selected references. It also examines the pharmacological and medicinal applications of Asian medicinal plants especially in drug development for protozoan prevention and treatment. Medicinal Plants in Asia and Pacific for Parasitic Infections is a research tool and resource for the discovery of leads for the treatment of protozoal diseases based on interrelated botanical, biochemical, ethnopharmacological, phylogenetic, pharmacological, and chemical information.

Meyler's Side Effects of Herbal Medicines (Hardcover, New): Jeffrey K. Aronson Meyler's Side Effects of Herbal Medicines (Hardcover, New)
Jeffrey K. Aronson
R1,396 Discovery Miles 13 960 Ships in 10 - 15 working days

"Meyler's Side Effects of Herbal Medicines," named to Doody's Core Titles for 2013, is a derivatrive work based onthe acclaimed "Meyler s Side Effect of Drugs, Fifteenth Edition." This book summarizes the adverse effects of a large range of herbal medicines and the active ingredients that they contain. It includes extensive lists of the families of plants that are used as herbal medicines, including the Latin names of genera and species as well as the common names of individual plants. It features not only herbal medicines but information on important compounds such as tropane alkaloids, cardiac glycosides, nicotine, and pyrolizidine alkaloids.

The book is divided into three separate sections: Family - Each monograph is organized under a family of plants (for example, Liliaceae) Genera - The various genera that are included under the family name are tabulated (for example, the family Liliaceae contains 94 genera) Species - In each monograph, some species are dealt with separately (for example, in Liliaceae, four species are included under their Latin names and major common names)

Each monograph includes the following information: Alternative common names Active ingredients Uses - both traditional and modern Adverse effects References

Drug names are designated by their recommended or proposed International Non-proprietary Names (rINN or pINN); when those are not available, clinical names or brand names are used.

The material is drawn from the fifteenth edition of the internationally renowned encyclopedia, "Meyler s Side Effects of Drugs, " and the latest volumes in the companion series, "Side Effects of Drugs Annuals."

This volume is critical for any health professional or homeopathic practitioner with an interest in herbal medicines.
Named to Doody s Core Titles 2013, a collection development tool for health sciences libraries of all sizes, by Doody EnterprisesSurpasses the Physician s Desk Reference (c) by including clinical case studies and independent expert analysis Complete index of drug names Most complete cross referencing of drug-drug interactions available"

Meyler's Side Effects of Psychiatric Drugs (Hardcover, New): Jeffrey K. Aronson Meyler's Side Effects of Psychiatric Drugs (Hardcover, New)
Jeffrey K. Aronson
R1,463 Discovery Miles 14 630 Ships in 10 - 15 working days

Elsevier now offers a series of derivative works based on the acclaimed Meylers Side Effect of Drugs, 15th Edition. These individual volumes are grouped by specialty to benefit the practicing physician or health care clinician.

The unwarranted effects of medications used in psychiatry can adversely affect a treatment plan. This book is critical in helping psychiatrists and mental health professionals assess the adverse effects of drugs such as antidepressants, mood stabilizers, hypnosedatives, and antipsychotic drugs.

The material is drawn from the 15th edition of the internationally renowned encyclopedia, Meyler s Side Effects of Drugs, and the latest volumes in the companion series, Side Effects of Drugs Annuals. Drug names have usually been designated by their recommended or proposed International Non-proprietary Names (rINN or pINN); when those are not available, clinical names have been used. In some cases, brand names have been used.

This volume is critical for any health professional involved in the administration of psychiatric mediations.
Surpasses the Physician s Desk Reference (c) by including clinical case studies and independent expert analysis

Complete index of drug names

Most complete cross referencing of drug-drug interactions available

Extensive references to primary and secondary literature

Also includes information on adverse effects in pregnancy

The book is divided into six sections:

Antidepressants A general introduction to their adverse effects, followed by monographs on individual drugs and groups of drugs (including lithium)

Neuroleptic drugs A general introduction to their adverse effects, followed by monographs on individual drugs

Hypnosedatives - A general introduction to their adverse effects, followed by monographs on individual drugs

Drugs of abuse

Drugs used to treat Alzheimer s disease

Psychological and psychiatric adverse effects of non-psychoactive drugs "

Natural Products and Drug Discovery (Hardcover): Pinarosa Avato Natural Products and Drug Discovery (Hardcover)
Pinarosa Avato
R1,990 R1,710 Discovery Miles 17 100 Save R280 (14%) Ships in 18 - 22 working days
NMR Spectroscopy in Pharmaceutical Analysis (Hardcover, New): Iwona Wawer NMR Spectroscopy in Pharmaceutical Analysis (Hardcover, New)
Iwona Wawer; Edited by Bernd Diehl, Ulrike Holzgrabe
R2,397 Discovery Miles 23 970 Ships in 10 - 15 working days

For almost a decade, quantitative NMR spectroscopy (qNMR) has been established as valuable tool in drug analysis. In all disciplines, i. e. drug identification, impurity profiling and assay, qNMR can be utilized.
Separation techniques such as high performance liquid chromatography, gas chromatography, super fluid chromatography and capillary electrophoresis techniques, govern the purity evaluation of drugs. However, these techniques are not always able to solve the analytical problems often resulting in insufficient methods. Nevertheless such methods find their way into international pharmacopoeias. Thus, the aim of the book is to describe the possibilities of qNMR in pharmaceutical analysis.
Beside the introduction to the physical fundamentals and techniques the principles of the application in drug analysis are described: quality evaluation of drugs, polymer characterization, natural products and corresponding reference compounds, metabolism, and solid phase NMR spectroscopy for the characterization drug substances, e.g. the water content, polymorphism, and drug formulations, e.g. tablets, powders. This part is accompanied by more special chapters dealing with representative examples. They give more detailed information by means of concrete examples.
- combines theory, techniques, and concrete applications-all of which closely resemble the laboratory experience
- considers international pharmacopoeias, addressing the concern for licensing
- features the work of academics and researchers, appealing to a broad readership

Encyclopedia of Pharmacology (Hardcover): Sean Boyd Encyclopedia of Pharmacology (Hardcover)
Sean Boyd
R2,591 R2,359 Discovery Miles 23 590 Save R232 (9%) Ships in 18 - 22 working days
Drugging Our Children - How Profiteers Are Pushing Antipsychotics on Our Youngest, and What We Can Do to Stop It (Hardcover):... Drugging Our Children - How Profiteers Are Pushing Antipsychotics on Our Youngest, and What We Can Do to Stop It (Hardcover)
Sharna Olfman, Brent Dean Robbins
R1,933 R1,731 Discovery Miles 17 310 Save R202 (10%) Ships in 10 - 15 working days

This book exposes the skyrocketing rate of antipsychotic drug prescriptions for children, identifies grave dangers when children's mental health care is driven by market forces, describes effective therapeutic care for children typically prescribed antipsychotics, and explains how to navigate a drug-fueled mental health system. Since 2001, there has been a dramatic increase in the use of antipsychotics to treat children for an ever-expanding list of symptoms. The prescription rate for toddlers, preschoolers, and middle-class children has doubled, while the prescribing rate for low-income children covered by Medicaid has quadrupled. In a majority of cases, these drugs are neither FDA-approved nor justified by research for the children's conditions. This book examines the reasons behind the explosion of antipsychotic drug prescriptions for children, spotlighting the historical and cultural factors as well as the role of the pharmaceutical industry in this trend; and discusses the ethical and legal responsibilities and ramifications for non-MDs-psychologists in particular-who work with children treated with antipsychotics. Contributors explain how the pharmaceutical industry has inserted itself into every step of medical education, rendering objectivity in the scientific understanding, use, and approvals of such drugs impossible. The text describes the relentless marketing behind the drug sales, even going as far as to provide coloring and picture books for children related to the drug at issue. Valuable information about legal recourse that families and therapists can take when their children or patients have been harmed by antipsychotic drugs and alternative approaches to working with children with emotional and behavioral challenges is also provided. A chapter on effective parenting coauthored by a leading parenting expert, Laura Berk Contributions by noted medical journalist Robert Whitaker, author of Anatomy of an Epidemic Information on legal issues by Harvard-educated lawyer Jim Gottstein Insights from former pharmaceutical industry insider, Gwen Olsen An examination of community approaches to children's mental health care by internationally known psychologist Stuart Shanker

Synthesis of Essential Drugs (Hardcover): Ruben Vardanyan, Victor Hruby Synthesis of Essential Drugs (Hardcover)
Ruben Vardanyan, Victor Hruby
R7,476 Discovery Miles 74 760 Ships in 18 - 22 working days

Synthesis of Essential Drugs describes methods of synthesis, activity and implementation of diversity of all drug types and classes. With over 2300 references, mainly patent, for the methods of synthesis for over 700 drugs, along with the most widespread synonyms for these drugs, this book fills the gap that exists in the literature of drug synthesis. It provides the kind of information that will be of interest to those who work, or plan to begin work, in the areas of biologically active compounds and the synthesis of medicinal drugs. This book presents the synthesis of various groups of drugs in an order similar to that traditionally presented in a pharmacology curriculum. This was done with a very specific goal in mind - to harmonize the chemical aspects with the pharmacology curriculum in a manner useful to chemists. Practically every chapter begins with an accepted brief definition and description of a particular group of drugs, proposes their classification, and briefly explains the present model of their action. This is followed by a detailed discussion of methods for their synthesis. Of the thousands of drugs existing on the pharmaceutical market, the book mainly covers generic drugs that are included in the WHO's Essential List of Drugs. For practically all of the 700+ drugs described in the book, references (around 2350) to the methods of their synthesis are given along with the most widespread synonyms. Synthesis of Essential Drugs is an excellent handbook for chemists, biochemists, medicinal chemists, pharmacists, pharmacologists, scientists, professionals, students, university libraries, researchers, medical doctors and students, and professionals working in medicinal chemistry.

Molecular Toxinology Handbook (Hardcover): Cora Lancester Molecular Toxinology Handbook (Hardcover)
Cora Lancester
R2,305 R2,108 Discovery Miles 21 080 Save R197 (9%) Ships in 18 - 22 working days
Anticancer Agents - Design, Synthesis and Evaluation (Hardcover): Qiao-Hong Chen Anticancer Agents - Design, Synthesis and Evaluation (Hardcover)
Qiao-Hong Chen
R3,288 R2,765 Discovery Miles 27 650 Save R523 (16%) Ships in 18 - 22 working days
My Water-cure. Tested for More Than 35 Years and Published for the Cure of Diseases and the Preservation of Health (Hardcover):... My Water-cure. Tested for More Than 35 Years and Published for the Cure of Diseases and the Preservation of Health (Hardcover)
Sebastian 1821-1897 Kneipp
R969 Discovery Miles 9 690 Ships in 10 - 15 working days
New Concepts in Diagnosis and Treatment - Physico-Clinical Medicine, the Practical Application of the Electronic Theory in the... New Concepts in Diagnosis and Treatment - Physico-Clinical Medicine, the Practical Application of the Electronic Theory in the Interpretation and Treatment of Disease With an Appendix On New Scientific Facts (Hardcover)
Albert Abrams
R983 Discovery Miles 9 830 Ships in 10 - 15 working days
The Chemist and Druggist [electronic Resource]; Vol. 28 (15 Jan. 1886) (Hardcover): Ubm The Chemist and Druggist [electronic Resource]; Vol. 28 (15 Jan. 1886) (Hardcover)
Ubm
R862 Discovery Miles 8 620 Ships in 18 - 22 working days
Handbook of Antimicrobial Agents (Hardcover): Leslie Hunt Handbook of Antimicrobial Agents (Hardcover)
Leslie Hunt
R3,357 R3,034 Discovery Miles 30 340 Save R323 (10%) Ships in 18 - 22 working days
Cancer-Leading Proteases - Structures, Functions, and Inhibition (Paperback): Satya Prakash Gupta Cancer-Leading Proteases - Structures, Functions, and Inhibition (Paperback)
Satya Prakash Gupta
R3,042 Discovery Miles 30 420 Ships in 10 - 15 working days

Cancer-Leading Proteases: Structures, Functions, and Inhibition presents a detailed discussion on the role of proteases as drug targets and how they have been utilized to develop anticancer drugs. Proteases possess outstanding diversity in their functions. Because of their unique properties, proteases are a major focus of attention for the pharmaceutical industry as potential drug targets or as diagnostic and prognostic biomarkers. This book covers the structure and functions of proteases and the chemical and biological rationale of drug design relating to how these proteases can be exploited to find useful chemotherapeutics to fight cancers. In addition, the book encompasses the experimental and theoretical aspects of anticancer drug design based on proteases. It is a useful resource for pharmaceutical scientists, medicinal chemists, biochemists, microbiologists, and cancer researchers working on proteases.

Development of a New Heterocycle-Forming Reaction and Kinetic Resolution with N-Heterocyclic Carbenes (Hardcover, 1st ed.... Development of a New Heterocycle-Forming Reaction and Kinetic Resolution with N-Heterocyclic Carbenes (Hardcover, 1st ed. 2019)
Yinli Wang
R2,653 Discovery Miles 26 530 Ships in 18 - 22 working days

In this book, the author focuses on exploring new organocatalytic transformations under operationally simple and environmentally friendly reaction conditions. Two new types of catalytic reactions promoted by N-heterocyclic carbenes (NHCs) are described. The oxa- and azacycle-forming reactions of sulfonylalkynols and sulfonylalkynamides are broadly considered to be a new type of activation mode in NHC chemistry, wherein the bond formation with internal O- and N-nucleophiles occurs at the -position of the propargyl sulfones with 1,2-sulfonyl migration. The resulting oxa- and azacycles are core structures in many biologically significant compounds and medicinally important agents. In addition, the book develops the chiral NHC-catalyzed kinetic resolution of -hydroxy carboxylic acid derivatives based on chiral recognition of the substrate-cocatalyst complex. In this carboxylate cocatalyst-assisted chiral acylation, the reaction rate acceleration and selectivity enhancement are interpreted in terms of the reversible complexation of the substrate and carboxylate cocatalyst, which is verified by control experiments and measured using analytical methods. The findings described here reveal a promising new aspect of not only NHC catalysis but also identifying novel catalysis systems.

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