The second edition of this classic text book has been completely revised, updated, and extended to include chapters on biomimetic amination reactions, Wacker oxidation, and useful domino reactions. The first-class author team with long-standing experience in practical courses on organic chemistry covers a multitude of preparative procedures of reaction types and compound classes indispensable in modern organic synthesis. Throughout, the experiments are accompanied by the theoretical and mechanistic fundamentals, while the clearly structured sub-chapters provide concise background information, retrosynthetic analysis, information on isolation and purification, analytical data as well as current literature citations. Finally, in each case the synthesis is labeled with one of three levels of difficulty. An indispensable manual for students and lecturers in chemistry, organic chemists, as well as lab technicians and chemists in the pharmaceutical and agrochemical industries.
This classical textbook in the best sense of the word is now completely revised, updated and with more than 40% new content. The approved ordering system according to the ring size of the heterocycles has been retained, while the important chapter on 'Problems and their Solutions' has been almost completely renewed by introduction of up-to-date scientific exercises, resulting in a great tool for self-testing and exams. There was maintained a chapter on nomenclature and a helpful index of name reactions. With approximately 1,000 new literature citations, this book remains a brilliant gateway to modern heterocyclic science for master and graduate students, as well as PhDs and researchers entering the field. 'If you want quick information about the basic (or acidic!) properties of a heterocycle, some interesting facts, or an assorted few ways of making it, this book provides a welcoming, accurate, and concise introduction.' Angewandte Chemie IE 'Eicher and Hauptmann provide an up to date introduction to the field for the advanced undergraduate and graduate students. ... The book is carefully produced to a very high standard.' European Journal of Medicinal Chemistry
The second edition of this "classic" among textbooks on heterocycle chemistry. Here, Theophil Eicher and Siegfried Hauptmann, both renowned authors of many successful such works, present all the important aspects of this fascinating field in a clear manner. - completely revised - enlarged - numerous Q&As help readers to deepen their knowledge - covers the very latest topics, such as metal-catalyzed coupling reactions - systematic substance nomenclature - comprehensive overview of all the important substance classes. A must-have for advanced students of organic chemistry as well as for chemists looking for a quick overview of the field.
The second edition of this classic text book has been completely revised, updated, and extended to include chapters on biomimetic amination reactions, Wacker oxidation, and useful domino reactions. The first-class author team with long-standing experience in practical courses on organic chemistry covers a multitude of preparative procedures of reaction types and compound classes indispensable in modern organic synthesis. Throughout, the experiments are accompanied by the theoretical and mechanistic fundamentals, while the clearly structured sub-chapters provide concise background information, retrosynthetic analysis, information on isolation and purification, analytical data as well as current literature citations. Finally, in each case the synthesis is labeled with one of three levels of difficulty. An indispensable manual for students and lecturers in chemistry, organic chemists, as well as lab technicians and chemists in the pharmaceutical and agrochemical industries.
This classical textbook in the best sense of the word is now completely revised, updated and with more than 40% new content. The approved ordering system according to the ring size of the heterocycles has been retained, while the important chapter on 'Problems and their Solutions' has been almost completely renewed by introduction of up-to-date scientific exercises, resulting in a great tool for self-testing and exams. There was maintained a chapter on nomenclature and a helpful index of name reactions. With approximately 1,000 new literature citations, this book remains a brilliant gateway to modern heterocyclic science for master and graduate students, as well as PhDs and researchers entering the field. 'If you want quick information about the basic (or acidic!) properties of a heterocycle, some interesting facts, or an assorted few ways of making it, this book provides a welcoming, accurate, and concise introduction.' Angewandte Chemie IE 'Eicher and Hauptmann provide an up to date introduction to the field for the advanced undergraduate and graduate students. ... The book is carefully produced to a very high standard.' European Journal of Medicinal Chemistry
Heterogeneous systems on chip (HeSoCs) combine general-purpose, feature-rich multi-core host processors with domain-specific programmable many-core accelerators (PMCAs) to unite versatility with energy efficiency and peak performance. By virtue of their heterogeneity, HeSoCs hold the promise of increasing performance and energy efficiency compared to homogeneous multiprocessors, because applications can be executed on hardware that is designed for them. However, this heterogeneity also increases system complexity substantially. This thesis presents the first research platform for HeSoCs where all components, from accelerator cores to application programming interface, are available under permissive open-source licenses. We begin by identifying the hardware and software components that are required in HeSoCs and by designing a representative hardware and software architecture. We then design, implement, and evaluate four critical HeSoC components that have not been discussed in research at the level required for an open-source implementation: First, we present a modular, topology-agnostic, high-performance on-chip communication platform, which adheres to a state-of-the-art industry-standard protocol. We show that the platform can be used to build high-bandwidth (e.g., 2.5 GHz and 1024 bit data width) end-to-end communication fabrics with high degrees of concurrency (e.g., up to 256 independent concurrent transactions). Second, we present a modular and efficient solution for implementing atomic memory operations in highly-scalable many-core processors, which demonstrates near-optimal linear throughput scaling for various synthetic and real-world workloads and requires only 0.5 kGE per core. Third, we present a hardware-software solution for shared virtual memory that avoids the majority of translation lookaside buffer misses with prefetching, supports parallel burst transfers without additional buffers, and can be scaled with the workload and number of parallel processors. Our work improves accelerator performance for memory-intensive kernels by up to 4×. Fourth, we present a software toolchain for mixed-data-model heterogeneous compilation and OpenMP offloading. Our work enables transparent memory sharing between a 64-bit host processor and a 32-bit accelerator at overheads below 0.7 % compared to 32-bit-only execution. Finally, we combine our contributions to a research platform for state-of-the-art HeSoCs and demonstrate its performance and flexibility.
Before skyscrapers forever transformed the landscape of the modern metropolis, the conveyance that made them possible had to be created. Invented in New York in the 1850s, the elevator became an urban fact of life on both sides of the Atlantic by the early twentieth century. While it may at first glance seem a modest innovation, it had wide-ranging effects, from fundamentally restructuring building design to reinforcing social class hierarchies by moving luxury apartments to upper levels, previously the domain of the lower classes. The cramped elevator cabin itself served as a reflection of life in modern growing cities, as a space of simultaneous intimacy and anonymity, constantly in motion. In this elegant and fascinating book, Andreas Bernard explores how the appearance of this new element changed notions of verticality and urban space. Transforming such landmarks as the Waldorf-Astoria and Ritz Tower in New York, he traces how the elevator quickly took hold in large American cities while gaining much slower acceptance in European cities like Paris and Berlin. Combining technological and architectural history with the literary and cinematic, Bernard opens up new ways of looking at the elevator--as a secular confessional when stalled between floors or as a recurring space in which couples fall in love. Rising upwards through modernity, Lifted takes the reader on a compelling ride through the history of the elevator.
In this book you will learn how the public cloud is significantly changing the cost structures of digital business models and thus existing markets. The relationships between the cloud architectures used, the organization of the company and the price and business models that are possible as a result are shown clearly and so that they can be used in your own company. The authors explain how, one after the other, more and more markets are becoming digital markets and what role marginal costs play in this. They describe how cloud-based IT is disrupting classic IT. This enables small teams to build scalable business models worldwide at zero marginal costs with little investment. The economic effects are clearly illustrated using specific examples. In addition, technical laypeople get an overview of which factors are particularly important for the competitiveness of their digital business models and how managers can influence them. Finally, the book gives practitioners specific guidelines on how the cloud transformation can be carried out in their company. The book is aimed primarily at executives and employees in the specialist departments and IT who want to drive the cloud transformation in their companies. This book is a translation of the original German 1st edition, Cloud-Transformation by Roland Frank, Gregor Schumacher and Andreas Tamm published by Springer Fachmedien Wiesbaden GmbH, part of Springer Nature in 2019. The translation was done with the help of artificial intelligence (machine translation by the service DeepL.com). A subsequent human revision was done primarily in terms of content.
Andreas Hepp takes an integrative look at one of the biggest questions in media and communications research: how digital media is changing society. Often, such questions are discussed in isolation, losing sight of the overarching context in which they are situated. Hepp has developed a theory of the re-figuration of society by digital media and their infrastructures, and provides an understanding of how profound today’s media-related changes are, not only for institutions, organizations and communities, but for the individual as well. Rooted in the latest research, this book does not stop at a description of media-related change; instead, it raises the normative challenge of what deep mediatization should look like so that it might just stimulate a 'good life' for all. Providing original and critical research, the book introduces deep mediatization to students of media and cultural studies, as well as neighboring disciplines like sociology, political science and other cognate disciplines.
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