Alkaloids Chemical And Biological Perspectives

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Alkaloids: Chemical and Biological Perspectives

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Author by : S.W. Pelletier
Languange Used : English, France, Spanish, Italia and chinese
Page : 392
Isbn : 9780080527000
Identifier : 0080527000
Release : 1996-12-12
Publisher by : Elsevier
Category : Science
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Description : Read Now Alkaloids Chemical And Biological Perspectives by S.W. Pelletier and you can download with pub, pdf, txt, doc, and more file format with free account. volume 11 of this series presents five timely reviews on current research on alkaloids. chapter 1 by paul l. schiff, jr. is a monumental survey of research that has been carried out over the past decade on the thalictrum alkaloids. forty-six new alkaloids are described from fifteen species of the genus thalictrum, as well as 116 alkaloids of known structure from thirty-six species and subspecies of the genus. the chapter includes discussions of isolation and structure elucidation, analysis, biosynthesis, cell culture, and pharmacology. also featured are inclusive compilations of botanical sources, alkaloids by alkaloid types, and calculated molecular weights of the thalictrum alkaloids. chapter 2 by giovanni appendino provides a fascinating treatment of taxine, a collective name referring to a mixture of diterpenoid alkaloids from the yew tree (genus: taxus). taxine is responsible for the toxic properties of the yew tree that has been documented in historical and fictional literature, from julius caesar to shakespeare, and from agatha christie to t.s. eliot. the chapter treats the history, isolation techniques, structure elucidation, chemistry, and pharmacology of taxine. chapter 3 by mary d. menachery surveys the alkaloids of south american menispermaceae (moonseed family). many different structural types are included in this family. the alkaloid-bearing plants are woody-vines, shrubs, or small trees. several of these species possess potent curare activity. the chemistry as well as pharmacology of these alkaloids is summarized. chapter 4 by russell j. molyneux, robert j. nash, and naoki asano treats the chemistry and biological activity of the calystegines and related nortropane alkaloids. these polyhydroxylated bicyclic alkaloids represent another class of compounds that inhibit glycosidases, producing profound effects in biological systems by disrupting the essential cellular function of glycoprotein processing. chapter 5, a related chapter by robert j. nash, naoki asano, and alison a. watson, reviews polyhydroxylated alkaloids that inhibit glycosidases. topics covered include distribution, ecological significance and toxicity, isolation, synthesis, and biosynthesis.

Alkaloids: Chemical and Biological Perspectives

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Author by : S.W. Pelletier
Languange Used : English, France, Spanish, Italia and chinese
Page : 428
Isbn :
Identifier : UOM:39015047722577
Release : 1983
Publisher by : Pergamon
Category : Science
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Description : Read Now Alkaloids Chemical And Biological Perspectives by S.W. Pelletier and you can download with pub, pdf, txt, doc, and more file format with free account. volume 13 of this series presents five timely reviews of research on alkaloids such as new developments in the chemistry and biology of alkaloids from amphibian skins. it provides a synopsis and tabulation of the hundreds of alkaloids that have been detected, with an emphasis on occurrence, structure, dietary origins, and biological activity. alkaloids containing the 1, 2, 3, 3a, 8, 8a - hexahydropyrrolo [2,3b] indole ring system and the cyclotryptamines are discussed. an exhaustive list of available structures is provided. the chemical and biological structures have been evaluated critically so as to identify existing errors and expose irregularities in appearance or biological function. in addition, attention is drawn to the possible implications of the accumulated knowledge related to the synthesis, occurrence, and biochemistry of this class of alkaloids. recent work on alkaloids containing the comparatively non - basic pyrrole ring system is summarized. one of the chapters covers isolation, structure elucidation, biological activity, and selected chemical syntheses of certain pyrrole alkaloids. recent developments in the chemistry of diterpenoid and norditerpenoid alkaloids occurring in aconitum, delphinium and consolida genera of the ranunculaceae family used in chinese and indian medicine are surveyed and the book ends with a focus on transition metal - catalyzed carbonylations as efficient and novel approaches to the construction of piperidine, izidine and quinazoline alkaloids, which occur in great numbers in nature.

Alkaloids Chemical and Biological Perspectives

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Author by : S. William Pelletier
Languange Used : English, France, Spanish, Italia and chinese
Page : 387
Isbn :
Identifier : CORNELL:31924083922892
Release : 1998
Publisher by : Elsevier
Category : Science
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Description : Read Now Alkaloids by S. William Pelletier and you can download with pub, pdf, txt, doc, and more file format with free account. acronycine, a potent antitumor agent, was discovered in the bark of the small australian rutaceous tree, acronychia baueri schott. this new work presents a comprehensive survey of the isolation, structure determination, methods of synthesis, and the biological properties of acronycine, as well as an account of natural and synthetic analogues of acronycine, and their biological properties. solanum alkaloids were reviewed in 1990 and this book surveys the new developments (isolation procedures, structural elucidation methods) and critically updates earlier reviews. in addition it presents the interesting chemistry and synthesis of cyclopeptide alkaloids. these cyclopeptide alkaloids have been isolated from ascidians, sea hares, and cyanobacteria. also included are reviews of the use of the functionalized lactam, pyroglutamic acid, as a chiral template for the synthesis of alkaloids. the second review examines the on-line coupling of capillary electrophoresis (ce) and mass spectrometry (ms) for the analysis of alkaloid mixtures. finally a review of oxygenated analogs of the alkaloid marcfortine for their potent antiparasitic activity is included at the end of this work. each chapter in this volume has been reviewed by at least one expert in the field. indexes for both subjects and organisms are provided.

Alkaloids Chemical and Biological Perspectives

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Author by : S. William Pelletier
Languange Used : English, France, Spanish, Italia and chinese
Page : 233
Isbn :
Identifier : UOM:39015047722569
Release : 1983
Publisher by : no defined
Category : Alkaloids
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Alkaloids

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Author by : S. William Pelletier
Languange Used : English, France, Spanish, Italia and chinese
Page : 464
Isbn :
Identifier : UCSD:31822006519771
Release : 1983
Publisher by : Wiley-Interscience
Category : Science
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Description : Read Now Alkaloids by S. William Pelletier and you can download with pub, pdf, txt, doc, and more file format with free account. for centuries, human inhabitants of central and south america have poisoned blow darts with alkaloids they extract from the brightly coloured frogs of the rain forests. volume 4 of

Alkaloids: Chemical and Biological Perspectives

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Author by : S. William Pelletier
Languange Used : English, France, Spanish, Italia and chinese
Page : 365
Isbn : 9781461277156
Identifier : 1461277159
Release : 2011-09-15
Publisher by : Springer
Category : Science
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Description : Read Now Alkaloids Chemical And Biological Perspectives by S. William Pelletier and you can download with pub, pdf, txt, doc, and more file format with free account. volume 8 of this series presents four timely reviews on alkaloids: chapter 1 is a magnificent and monumental review of curare, "a group of dart and/or arrow poisons varying in composition and featuring muscle relaxation as their basic pharmacological action." the fascinating history of curare is recounted, beginning with early encounters by the spanish conquistadores through its use as arrow poisons by the forest tribes in hunting and warfare, its chemistry, ethnography, botany and pharmacology. a terminal section of this chapter treats the development of modern muscle relaxants. this chapter thus traces how curare-initially only a crude plant extract-has given rise to the widely used and very important neuromuscular blocking agents of today. the precise role of plant secondary metabolites and their interactions with insect herbivores have been focal points for research by chemists, botanists and entomologists for many years. alkaloids and their glycosides are frequently involved as feeding deterrents. chapter 2 treats the relationships between the chemistry of alkaloids in host plants and the effects that these compounds may have on insect herbivores. interestingly, an alkaloid produced by a plant may manifest different effects on different insects.

Alkaloids - Secrets of Life: Aklaloid Chemistry, Biological Significance, Applications and Ecological Role

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Author by : Tadeusz Aniszewski
Languange Used : English, France, Spanish, Italia and chinese
Page : 334
Isbn : 9780080475332
Identifier : 0080475337
Release : 2007-03-22
Publisher by : Elsevier
Category : Science
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Description : Read Now Alkaloids Secrets Of Life by Tadeusz Aniszewski and you can download with pub, pdf, txt, doc, and more file format with free account. alkaloids, represent a group of interesting and complex chemical compounds, produced by the secondary metabolism of living organisms in different biotopes. they are relatively common chemicals in all kingdoms of living organisms in all environments. two hundred years of scientific research has still not fully explained the connections between alkaloids and life. alkaloids-chemistry, biological significance, applications and ecological role provides knowledge on structural typology, biosynthesis and metabolism in relation to recent research work on alkaloids. considering an organic chemistry approach to alkaloids using biological and ecological explanation. within the book several questions that persist in this field of research are approached as are some unresearched areas. the book provides beneficial text for an academic and professional audience and serves as a source of knowledge for anyone who is interested in the fascinating subject of alkaloids. each chapter features an abstract. appendices are included, as are a listing of alkaloids, plants containing alkaloids and some basic protocols of alkaloid analysis. * presents the ecological role of alkaloids in nature and ecosystems * interdisciplinary and reader friendly approach * up-to-date knowledge

Heterocyclic chemistry

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Author by : John Arthur Joule
Languange Used : English, France, Spanish, Italia and chinese
Page : 378
Isbn : 9780442302115
Identifier : 0442302118
Release : 1978
Publisher by : Van Nostrand Reinhold Company
Category : Science
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Description : Read Now Heterocyclic Chemistry by John Arthur Joule and you can download with pub, pdf, txt, doc, and more file format with free account. this book has so closely matched the requirements of its readership over the years that it has become the first choice for chemists all over the world.the fourth edition retains its original aims to teach the fundamentals of heterocyclic reactivity and synthesis in a way that is understandable to second- and third-year undergraduate chemistry students. it is important to emphasise that the more advanced sections of the book make it an important reference work for chemists at all levels who are working with heterocyclic compounds in industry.new sections deal with heterocyclic aspects of combinatorial chemistry, bioprocessing, and conducting polymers.

Alkaloid Synthesis

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Author by : Hans-Joachim Knoelker
Languange Used : English, France, Spanish, Italia and chinese
Page : 260
Isbn : 3642255280
Identifier : 9783642255281
Release : 2012-01-13
Publisher by : Springer Science & Business Media
Category : Science
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Description : Read Now Alkaloid Synthesis by Hans-Joachim Knoelker and you can download with pub, pdf, txt, doc, and more file format with free account. lycopodium alkaloids: isolation and asymmetric synthesis, by mariko kitajima and hiromitsu takayama.- synthesis of morphine alkaloids and derivatives, by uwe rinner and tomas hudlicky.- indole prenylation in alkaloid synthesis, by thomas lindel, nils marsch and santosh kumar adla.- marine pyrroloiminoquinone alkaloids, by yasuyuki kita and hiromichi fujioka.- synthetic studies on amaryllidaceae and other terrestrially derived alkaloids, by martin g. banwell, nadia yuqian gao, brett d. schwartz and lorenzo v. white.- synthesis of pyrrole and carbazole alkaloids, by ingmar bauer and hans-joachim knölker.-

Alkaloids Biochemistry, Ecology, and Medicinal Applications

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Author by : Margaret F. Roberts
Languange Used : English, France, Spanish, Italia and chinese
Page : 482
Isbn : 9780306454653
Identifier : 0306454653
Release : 1998-06-30
Publisher by : Springer Science & Business Media
Category : Science
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Description : Read Now Alkaloids by Margaret F. Roberts and you can download with pub, pdf, txt, doc, and more file format with free account. not since the late 1970s has a single work presented the biology of this heterogenous group of secondary alkaloids in such depth. alkaloids, a unique treatise featuring leaders in the field, presents both the historical use of alkaloids and the latest discoveries in the biochemistry of alkaloid production in plants alkaloid ecology, including marine invertebrates, animal and plant parasites, and alkaloids as antimicrobial and current medicinal use . highlights include chapters on the chemical ecology of alkaloids in host-predator interactions, and on the compartmentation of alkaloids synthesis, transport, and storage. extensive cross-referencing in tabular format makes this volume an excellent reference.

Handbook of Naturally Occurring Compounds

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Author by : T.K. Devon
Languange Used : English, France, Spanish, Italia and chinese
Page : 588
Isbn : 0323145108
Identifier : 9780323145107
Release : 2012-12-02
Publisher by : Elsevier
Category : Science
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Description : Read Now Handbook Of Naturally Occurring Compounds by T.K. Devon and you can download with pub, pdf, txt, doc, and more file format with free account. handbook of naturally occurring compounds, volume ii: terpenes is a handbook of naturally occurring compounds to which structures have been assigned, with particular reference to terpenes. each structure is stored in the handbook with its name, molecular formula, molecular weight, optical rotation, melting point, literature reference, and classification number. comprised of 10 chapters, this volume begins with an overview of terpenes and their classification schemes, followed by terpenoid classes and their structural/biogenetic categories as well as skeletons: monoterpenes, sesquiterpenes, diterpenes, sesterterpenes, triterpenes, steroids, carotenoids, and polyprenoids. miscellaneous compounds of terpenoid origin are also considered, including the ionones and fraxinellone. this final category for miscellaneous compounds of terpenoid origin arises through the somewhat frequent occurrence of oxidative degradation in terpenoid biosynthesis. in general these compounds have degraded structures such that there exists some ambiguity as to their precise biosynthetic precursors. each individual compound possesses a compound sequence number which, in combination with the classification code number, supplies a unique address for that compound. this book should be a valuable resource for chemists as well as students and researchers of chemistry.

Advances in Potato Chemistry and Technology

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Author by : Jaspreet Singh
Languange Used : English, France, Spanish, Italia and chinese
Page : 528
Isbn : 9780080921914
Identifier : 0080921914
Release : 2009-07-22
Publisher by : Academic Press
Category : Technology & Engineering
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Description : Read Now Advances In Potato Chemistry And Technology by Jaspreet Singh and you can download with pub, pdf, txt, doc, and more file format with free account. developments in potato chemistry, including identification and use of the functional components of potatoes, genetic improvements and modifications that increase their suitability for food and non-food applications, the use of starch chemistry in non-food industry and methods of sensory and objective measurement have led to new and important uses for this crop. advances in potato chemistry and technology presents the most current information available in one convenient resource.the expert coverage includes details on findings related to potato composition, new methods of quality determination of potato tubers, genetic and agronomic improvements, use of specific potato cultivars and their starches, flours for specific food and non-food applications, and quality measurement methods for potato products. * covers potato chemistry in detail, providing key understanding of the role of chemical compositions on emerging uses for specific food and non-food applications * presents coverage of developing areas, related to potato production and processing including genetic modification of potatoes, laboratory and industry scale sophistication, and modern quality measurement techniques to help producers identify appropriate varieties based on anticipated use *explores novel application uses of potatoes and potato by-products to help producers identify potential areas for development of potato variety and structure