Studies On The Stereoselective Synthesis Of Functionalized Quaternary Stereocenters And E 3 Arylmethylidene 5 Alkyl Aryl 2 3h Furanones
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Studies On The Stereoselective Synthesis Of Functionalized Quaternary Stereocenters And E 3 Arylmethylidene 5 Alkyl Aryl 2 3h Furanones
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Author : Gopinathan Muthusamy
language : en
Publisher:
Release Date : 2019
Studies On The Stereoselective Synthesis Of Functionalized Quaternary Stereocenters And E 3 Arylmethylidene 5 Alkyl Aryl 2 3h Furanones written by Gopinathan Muthusamy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
An enantioselective synthesis of isolated acyclic quaternary stereocenters was achieved using metal-catalyzed Gosteli-Claisen rearrangements of allyl vinyl ethers. A concise synthesis of 2-t-butoxycarbonyl allyl vinyl ethers by regioselective Petasis methylenation and stereoselective Suzuki-Miyaura cross-coupling reactions of iodoallyl t-butyl oxalates was developed. Ethers with a terminally unsubstituted vinyl group and a terminally disubstituted allyl portion are readily accessible by this method. In addition to the metal-catalyzed Gosteli-Claisen rearrangements, organocatalytic variant of the Gosteli-Claisen rearrangement was investigated. A modular synthesis of several new, chiral cyclic phosphoramide-based, thioureas, formamidines and thiosemicarbazides was developed and these phosphoramides were examined for their ability to catalyze the Gosteli-Claisen rearrangement of a selected allyl vinyl ether. A variety of E-3-(arylidene)-5-(alkyl/aryl)-2(3H)-furanones were synthesized by employing regioselctive addition of -aryl acrylic acids with iodoacetylenes and subsequent intramolecular Heck reaction of Z-acyloxy iodo alkenes. The approach was applied in a formal synthesis of the naturally occurring kinase inhibitor BE-23372M.
Stereoselective Synthesis Of Functionalized Quaternary Stereocenters Naturally Occurring Tetronic Acids And R R L Factor
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Author : Amarender Manchoju
language : en
Publisher:
Release Date : 2018
Stereoselective Synthesis Of Functionalized Quaternary Stereocenters Naturally Occurring Tetronic Acids And R R L Factor written by Amarender Manchoju and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Asymmetric Domino Reactions
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Author : Hélène Pellissier
language : en
Publisher: Royal Society of Chemistry
Release Date : 2013
Asymmetric Domino Reactions written by Hélène Pellissier and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Science categories.
Accessible references for researchers and industrialists in this exciting field, covering both developments and applications of catalysis.
Strained Hydrocarbons
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Author : Helena Dodziuk
language : en
Publisher: John Wiley & Sons
Release Date : 2009-03-30
Strained Hydrocarbons written by Helena Dodziuk and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-30 with Science categories.
In clearly structured chapters, this book covers the fascinating world of hydrocarbons, providing an insight into the fundamental principles of chemistry. The monograph covers modern aspects of the topic, such as carbon nanotubes, molecular flask inclusion, and fullerenes, with new synthetic procedures for the build up of the structural lattice included.
Modern Carbonyl Olefination
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Author : Takeshi Takeda
language : en
Publisher: John Wiley & Sons
Release Date : 2006-03-06
Modern Carbonyl Olefination written by Takeshi Takeda and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-03-06 with Science categories.
While this important reaction class is among the most important and most widely used in organic chemistry, this is the first book to summarize the many different olefination methods, including: * Wittig reaction * Peterson reaction * Julia olefination * Utilizing the Tebbe and related reagents * Low-valent chromium, zinc or titanium mediated olefination * McMurry coupling plus the related reactions in each case and the application to asymmetric synthesis. It thus collates in one ready reference the current level of knowledge as well as new developments in this constantly evolving field -- information which until now has been dispersed throughout the literature.
Stereoselective Alkene Synthesis
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Author : Jianbo Wang
language : en
Publisher: Springer
Release Date : 2012-08-13
Stereoselective Alkene Synthesis written by Jianbo Wang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-13 with Science categories.
Stereoselective Synthesis of Tetrasubstituted Alkenes via Torquoselectivity-Controlled Olefination of Carbonyl Compounds with Ynolates, by Mitsuru Shindo and Kenji Matsumoto.- Stereoselective Synthesis of Z-Alkenes, by Woon-Yew Siau, Yao Zhang and Yu Zhao.- Stereoselective Synthesis of Mono-fluoroalkenes, by Shoji Hara.- Recent Advances in Stereoselective Synthesis of 1,3-Dienes, by Michael De Paolis, Isabelle Chataigner and Jacques Maddaluno.- Selective Olefination of Carbonyl Compounds via Metal-Catalyzed Carbene Transfer from Diazo Reagents, by Yang Hu and X. Peter Zhang.- Selective Alkene Metathesis in the Total Synthesis of Complex Natural Product, by Xiaoguang Lei and Houhua Li.- Olefination Reactions of Phosphorus-Stabilized Carbon Nucleophiles, by Yonghong Gu and Shi-Kai Tian.- Alkene Synthesis Through Transition Metal-Catalyzed Cross-Coupling of N-Tosylhydrazones, by Yan Zhang and Jianbo Wang.
Green Chemistry Metrics
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Author : Alexei Lapkin
language : en
Publisher: Wiley-Blackwell
Release Date : 2008-10-20
Green Chemistry Metrics written by Alexei Lapkin and has been published by Wiley-Blackwell this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-10-20 with Science categories.
Quantifying the environmental impact of chemical technologies and products, and comparing alternative products and technologies in terms of their "greenness" is a challenging task. In order to characterise various aspects of a complex phenomenon, a number of different indicators are selected into a metric. This book outlines fundamental developments in chemistry and chemical technology that have led to the development of green chemistry, green chemical technology, and sustainable chemical technology concepts, and provide a foundation for the development of the corresponding metrics. It includes different approaches to metrics, and case study examples of their applications, and problems in practice. Green Chemistry Metrics is aimed at graduate students and researchers, practitioners and environmental managers in industry, metrics developers, and governmental agencies and NGOs in the area of environmental protection and sustainability. The main focus will be on chemical processes, however the book will be relevant to other industry sectors such as energy, electronics, healthcare, food and consumer products.
Green Analytical Chemistry
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Author : Justyna Płotka-Wasylka
language : en
Publisher: Springer
Release Date : 2019-08-02
Green Analytical Chemistry written by Justyna Płotka-Wasylka and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-02 with Science categories.
The book explains the principles and fundamentals of Green Analytical Chemistry (GAC) and highlights the current developments and future potential of the analytical green chemistry-oriented applications of various solutions. The book consists of sixteen chapters, including the history and milestones of GAC; issues related to teaching of green analytical chemistry and greening the university laboratories; evaluation of impact of analytical activities on the environmental and human health, direct techniques of detection, identification and determination of trace constituents; new achievements in the field of extraction of trace analytes from samples characterized by complex composition of the matrix; “green” nature of the derivatization process in analytical chemistry; passive techniques of sampling of analytes; green sorption materials used in analytical procedures; new types of solvents in the field of analytical chemistry. In addition green chromatography and related techniques, fast tests for assessment of the wide spectrum of pollutants in the different types of the medium, remote monitoring of environmental pollutants, qualitative and comparative evaluation, quantitative assessment, and future trends and perspectives are discussed. This book appeals to a wide readership of the academic and industrial researchers. In addition, it can be used in the classroom for undergraduate and graduate Ph.D. students focusing on elaboration of new analytical procedures for organic and inorganic compounds determination in different kinds of samples characterized by complex matrices composition.Jacek Namieśnik was a Professor at the Department of Analytical Chemistry, Gdańsk University of Technology, Poland. Justyna Płotka-Wasylka is a teacher and researcher at the same department.
Preparation Of Alkenes
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Author : Jonathan M. J. Williams
language : en
Publisher: Oxford University Press, USA
Release Date : 1996
Preparation Of Alkenes written by Jonathan M. J. Williams and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Science categories.
The individual contributors to these old and new alkene preparation methods share their experience to provide protocols and background information to practising organic chemists in academic and research situations.
Comprehensive Organometallic Chemistry Iii
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Author : Robert H. Crabtree
language : en
Publisher:
Release Date : 2007
Comprehensive Organometallic Chemistry Iii written by Robert H. Crabtree and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Chimie organométallique categories.
Volume 1 reviews the preparations, properties, structure, bonding and applications of organometallic compounds of Alkali metal, Alkaline earth, Copper, Silver, Zinc, Mercury and Cadmium. It provides a clear and comprehensive overview of developments since 1993 and attempts to predict trends in the field over the next ten years. Like its predecessors, COMC (1982) and COMC-II (1995), this new work is the essential reference text for any chemist or technologist who needs to use or apply organometallic compounds. * valuable content available May 2009 as an individual volume * separate volumes will appeal to a wider chemistry and materials science audience * priced for individual researcher as well as library purchase