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Showing 1 - 18 of 18 matches in All Departments

Lawesson's Reagent in Heterocycle Synthesis (Hardcover, 1st ed. 2022): Navjeet Kaur Lawesson's Reagent in Heterocycle Synthesis (Hardcover, 1st ed. 2022)
Navjeet Kaur
R4,987 Discovery Miles 49 870 Ships in 10 - 15 working days

This book focuses on the new and old methods for the synthesis of various heterocycles using Lawesson's reagent. The book covers an important and rapidly growing branch of heterocyclic chemistry and can serve as a guide to those who are completing their education and are about to enter the job market. Students will be able to find all Lawesson's reagent-assisted protocols for the synthesis of heterocycles in one place. This feature of the book provides an important benefit, because sometimes users want to see all the possibilities and relevant information for making a particular compound using one particular reagent. The purpose of this valuable resource is to provide the knowledge not only to students but also to pharmacologists, biochemists, organic and medicinal chemists, researchers, and academic professionals for easy access to synthetic protocols for different heterocycles using Lawesson's reagent. The book will be greatly helpful for everyone involved in the field and can pave the way for better understanding and quantification of heterocycle synthesis.

Metals and Non-metals - Five-membered N-heterocycle Synthesis (Paperback): Navjeet Kaur Metals and Non-metals - Five-membered N-heterocycle Synthesis (Paperback)
Navjeet Kaur
R1,430 Discovery Miles 14 300 Ships in 12 - 17 working days

Design of new processes that avoid the use of toxic reagents has been the focus of intense research of late. Catalysis by metals and non-metals offers diverse opportunities for the development of new organic reactions with promising range of selectivities-chemoselectivity, regioselectivity, diastereoselectivity, and enantioselectivity. Furthermore, these transformations frequently occur under mild conditions, tolerate a broad array of functional groups, and proceed with high stereoselectivity. The area of catalysis is sometimes referred to as a 'foundational pillar' of green chemistry. Catalytic reactions often reduce energy requirements and decrease separations because of increased selectivity; they are also capable of permitting the use of renewable feedstocks of less toxic reagents or minimizing the quantities of reagents needed. New catalytic organic synthesis methodologies have, thus, offered several possibilities for considerable improvement in the eco-compatibility of fine chemical production. Hence, these catalytic methodologies have emerged as powerful tools for the efficient and chemoselective synthesis of heterocyclic molecules. Key Features: Presents the synthesis of different five-membered heterocycles. Contains the most up-to-date information in this fast-moving field. Covers novel catalytic approaches used in the study and application of catalysts in synthetic organic reactions. Presents new methodologies for the synthesis of heterocycles.

Palladium Assisted Synthesis of Heterocycles (Paperback): Navjeet Kaur Palladium Assisted Synthesis of Heterocycles (Paperback)
Navjeet Kaur
R1,499 Discovery Miles 14 990 Ships in 12 - 17 working days

This book is a compilation of the recent applications of palladium catalysts in organic synthesis. The book demonstrates that it is a highly dynamic research field. This methodology has emerged as a powerful tool for the efficient and chemoselective synthesis of heterocyclic molecules. In the past few years, several strategies have been pointed out to pursue more efficient, sustainable, and environment friendly chemical processes. Among those strategies, catalysis and the design of new processes that avoid the use of toxic reagents have been the focus of intense research.

Metals and Non-metals - Five-membered N-heterocycle Synthesis (Hardcover): Navjeet Kaur Metals and Non-metals - Five-membered N-heterocycle Synthesis (Hardcover)
Navjeet Kaur
R4,864 Discovery Miles 48 640 Ships in 12 - 17 working days

Design of new processes that avoid the use of toxic reagents has been the focus of intense research of late. Catalysis by metals and non-metals offers diverse opportunities for the development of new organic reactions with promising range of selectivities-chemoselectivity, regioselectivity, diastereoselectivity, and enantioselectivity. Furthermore, these transformations frequently occur under mild conditions, tolerate a broad array of functional groups, and proceed with high stereoselectivity. The area of catalysis is sometimes referred to as a 'foundational pillar' of green chemistry. Catalytic reactions often reduce energy requirements and decrease separations because of increased selectivity; they are also capable of permitting the use of renewable feedstocks of less toxic reagents or minimizing the quantities of reagents needed. New catalytic organic synthesis methodologies have, thus, offered several possibilities for considerable improvement in the eco-compatibility of fine chemical production. Hence, these catalytic methodologies have emerged as powerful tools for the efficient and chemoselective synthesis of heterocyclic molecules. Key Features: Presents the synthesis of different five-membered heterocycles. Contains the most up-to-date information in this fast-moving field. Covers novel catalytic approaches used in the study and application of catalysts in synthetic organic reactions. Presents new methodologies for the synthesis of heterocycles.

5-Membered Heterocycle Synthesis Using Iodine (Paperback): Navjeet Kaur 5-Membered Heterocycle Synthesis Using Iodine (Paperback)
Navjeet Kaur
R4,000 Discovery Miles 40 000 Ships in 12 - 17 working days

5-Membered Heterocycle Synthesis Using Iodine presents both old and new methods for the synthesis of various five-membered heterocycles using iodine, providing information for making specific compounds using particular reagents. Heterocyclic frameworks represent the main structural subunits of many biologically active compounds and natural products, and the ability of heterocycles to act both as reactive pharmacophores and biomimetics has greatly contributed to their unique value as traditional key elements of various drugs. Contemporary developments in process chemistry and discovery emphasize novel sustainable synthetic pathways as fast and ecologically acceptable alternatives to the traditional protocols. This book serves as a guide for students, pharmacologists, biochemists, organic and medicinal chemists, researchers, and academic professionals to obtain easy access to synthetic protocols for different five-membered heterocycles using iodine.

Synthesis of Azetidines from Imines by Cycloaddition Reactions (Paperback): Navjeet Kaur Synthesis of Azetidines from Imines by Cycloaddition Reactions (Paperback)
Navjeet Kaur
R3,978 Discovery Miles 39 780 Ships in 12 - 17 working days

Synthesis of Azetidines from Imines by Cycloaddition Reactions presents several methodologies for the synthesis of azetidines from imines by cycloaddition reactions. The azetidines, known as important contribution of science to humanity, are important organic compounds that have occupied a basic position in the pharmaceutical chemistry for over a hundred years because of their biological activities. They are the fundamental skeleton of several antibiotics, probiotics and alkaloids. The synthesis of azetidines is a constant challenge for medicinal chemists, hence this book comprehensively describes azetidine ring synthesis. With this book, readers will be able to quickly assess possible synthetic approaches and evaluate whether preparation of a four-membered nitrogen containing ring is reasonable.

Raney Nickel-Assisted Synthesis of Heterocycles (Paperback): Navjeet Kaur Raney Nickel-Assisted Synthesis of Heterocycles (Paperback)
Navjeet Kaur
R3,976 Discovery Miles 39 760 Ships in 12 - 17 working days

Raney Nickel-Assisted Synthesis of Heterocycles covers the synthesis of heterocycles using Raney nickel. The book focuses on the use of Raney-Ni, a common catalyst in hydrogenation reaction and its uses in the synthesis and preparation of heterocycles. Furthermore, it explains how the development of new approaches and strategic deployments in known approaches for the formation of complex heterocyclic compounds continue to drive the field of synthetic organic chemistry, along with updates on efforts to prepare heterocycles through the development of new and efficient synthetic transformations. Heterocyclic chemistry is an inexhaustible source of novel compounds, providing the most diverse chemical, physical and biological properties through the design of a wide range of combinations of carbon, hydrogen and heteroatoms. Significant focus has been paid to novel approaches to the formation of heterocyclic compounds, which are of practical use acting as modifiers and additives in a wide range of industries such as reprography, plastics, cosmetics, vulcanization accelerators, solvents, antioxidants and information storage.

Synthesis of 6- and 7-Membered Heterocycles - The Role of DMF: Navjeet Kaur Synthesis of 6- and 7-Membered Heterocycles - The Role of DMF
Navjeet Kaur
R4,226 Discovery Miles 42 260 Ships in 12 - 17 working days

Synthesis of Six- and Seven-Membered Heterocycles: The Role of DMF and its Synthesis compares different synthetic approaches using DMF, including the advantages and disadvantages of those reactions, green methods, and the sustainability of reported synthetic methodologies, especially the microwave methods. The book presents several methodologies for the synthesis of six- and seven-membered heterocyclic compounds using dimethylformamide. Users will find the most up-to-date information in this fast-moving field which can be particularly challenging. With DMF drawing the attention of synthetic organic chemists, this book will help readers understand further developments in the uses of dimethylformamide beyond just its use as a polar solvent. As it can be expected that the use of dimethylformamide as a precursor will continue to grow in organic synthesis with new applications in sustainable and green chemistry, this book provides an ideal primer on the topics covered.

4-Membered Heterocycle Synthesis (Paperback): Navjeet Kaur 4-Membered Heterocycle Synthesis (Paperback)
Navjeet Kaur
R4,226 Discovery Miles 42 260 Ships in 12 - 17 working days

Four-Membered Heterocycle Synthesis offers a comprehensive approach to these unstable organic compounds, providing a systematic introduction to the synthesis and reactions of all common four-membered heterocycles and illustrating different methods to prepare specific four-membered heterocycles. Four-membered heterocyclic compounds are known as a class of unstable organic compounds because of their strain characteristics, which make them very beneficial as precursors for the formation of a broad range of complex heterocyclic molecules and for synthetic elaboration.

Synthesis of Aziridines and Oxaziridines from Imines: Navjeet Kaur Synthesis of Aziridines and Oxaziridines from Imines
Navjeet Kaur
R4,682 R4,241 Discovery Miles 42 410 Save R441 (9%) Ships in 12 - 17 working days

The smallest possible saturated azaheterocycle, aziridine, is well-known to organic chemists for its tremendous potential in pharmaceutical chemistry and organic synthesis. The general biological importance of aziridines is proven by the fact that they found several uses as subunits in pharmacologically active compounds such as antitumor agents, enzyme inhibitors, and antibiotics. Although aziridines are highly reactive, this framework occurs in many synthetic compounds and the natural products of biological interest also contain aziridine skeleton in their structures. The synthetic community is captivated with prospects of selective synthesis and conversions of aziridines. Several important advances in this area have been witnessed in recent years and discovering efficient novel methods for the synthesis of aziridines has been very active field of research. Its powerful synthetic utility has been described by an overpowering amount of documentation on the approaches for the formation of aziridine. Synthesis of Aziridines and Oxaziridines from Imines describes the new and old methods for the synthesis of aziridines from imines and covers an important and rapidly growing branch of heterocyclic chemistry. Readers will have access to different methods and information allowing them to evaluate which method is most suitable for particular cases.

3-Membered Heterocycle Synthesis: Navjeet Kaur 3-Membered Heterocycle Synthesis
Navjeet Kaur
R4,399 R3,985 Discovery Miles 39 850 Save R414 (9%) Ships in 12 - 17 working days

3-membered heterocyclic rings offer an unusual combination of synthetic flexibility, reactivity, and atom economy. The main challenge for synthetic chemists, both in academia and industry, is the search for efficient approaches to target molecules. This book presents several methodologies for the synthesis of three-membered heterocyclic compounds and the readers will defiantly gain knowledge about the topic. With Three-Membered Heterocycle Synthesis, readers have detailed information about the synthesis of three-membered heterocyclic compounds. It comprehensively describes three-membered heterocyclic compounds synthesis, allowing the audience to quickly assess possible synthetic approaches.

Oxetane Synthesis (Paperback): Navjeet Kaur Oxetane Synthesis (Paperback)
Navjeet Kaur
R3,992 Discovery Miles 39 920 Ships in 12 - 17 working days

Oxetane Synthesis rings play an important role as versatile motifs both in the overall formation of natural products and in synthetic organic chemistry. Oxetanes are important motifs in pharmaceutical chemistry that can confer improved metabolic and physicochemical properties. These developments continue to enhance the use of oxetanes in medicinal chemistry. Thanks to the growing commercial accessibility of oxetane possessing building blocks, together with improved approaches for the formation, oxetanes are likely to be progressively utilized in medicinal chemistry programs. Oxetanes are becoming valuable as a result of their vast diversity of uses in medicinal chemistry and varying applications. Several procedures have been developed for the formation and ring-opening of oxetanes to give important compounds in agrochemical, medicinal and material sciences. Novel approaches have been developed for the synthesis of oxetanes. These methods depend on both established synthetic approaches and development of many novel approaches for the formation of oxetanes.

8-Membered Heterocycle Synthesis (Paperback): Navjeet Kaur 8-Membered Heterocycle Synthesis (Paperback)
Navjeet Kaur
R4,003 Discovery Miles 40 030 Ships in 12 - 17 working days

8-Membered Heterocycle Synthesis focuses on both the new and established methods for the synthesis of various 8-membered heterocycles. 8-membered heterocyclic compounds act as target molecules for a wide range of synthetic studies and are present in a broad range of natural products, showing a wide variety of pharmaceutical and biological properties. Covering an important and rapidly growing branch of heterocyclic chemistry, this book brings together every protocol for the synthesis of 8-membered heterocycles in one place, allowing the reader to see all the possibilities for making a particular compound using one particular reagent. Providing up-to-date and comprehensive information about the synthesis of medium-ring heterocycles and the latest information on this fast-moving field, with easy access to the synthetic protocols for different 8-membered heterocycles, case studies, and application, this book will be essential reading for students, pharmacologists, biochemists, organic and medicinal chemists, researchers, and academic professionals.

Iodine-Assisted Synthesis of Six- and Seven-Membered Heterocycles (Paperback): Navjeet Kaur Iodine-Assisted Synthesis of Six- and Seven-Membered Heterocycles (Paperback)
Navjeet Kaur
R3,982 Discovery Miles 39 820 Ships in 12 - 17 working days

Iodine-Assisted Synthesis of Six- and Seven-Membered Heterocycles covers both existing and the latest methods for the synthesis of various six- and seven-membered heterocycles using iodine. Covering an important and rapidly growing branch of heterocyclic chemistry, this book allows users easy access to the synthetic protocols for the synthesis of heterocycles, acting as a guide for how to make these important compounds employed as agrochemicals, pharmaceuticals, and veterinary products, using particular reagents. This book will be of interest to students, pharmacologists, biochemists, and organic and medicinal chemists.

Lawesson's Reagent in Heterocycle Synthesis (Paperback, 1st ed. 2022): Navjeet Kaur Lawesson's Reagent in Heterocycle Synthesis (Paperback, 1st ed. 2022)
Navjeet Kaur
R4,956 Discovery Miles 49 560 Ships in 10 - 15 working days

This book focuses on the new and old methods for the synthesis of various heterocycles using Lawesson's reagent. The book covers an important and rapidly growing branch of heterocyclic chemistry and can serve as a guide to those who are completing their education and are about to enter the job market. Students will be able to find all Lawesson's reagent-assisted protocols for the synthesis of heterocycles in one place. This feature of the book provides an important benefit, because sometimes users want to see all the possibilities and relevant information for making a particular compound using one particular reagent. The purpose of this valuable resource is to provide the knowledge not only to students but also to pharmacologists, biochemists, organic and medicinal chemists, researchers, and academic professionals for easy access to synthetic protocols for different heterocycles using Lawesson's reagent. The book will be greatly helpful for everyone involved in the field and can pave the way for better understanding and quantification of heterocycle synthesis.

Metal and Nonmetal Assisted Synthesis of Six-Membered Heterocycles (Paperback): Navjeet Kaur Metal and Nonmetal Assisted Synthesis of Six-Membered Heterocycles (Paperback)
Navjeet Kaur
R4,256 Discovery Miles 42 560 Ships in 12 - 17 working days

Metal and Nonmetal Assisted Synthesis of Six-Membered Heterocycles provides a useful guide to key approaches being explored in this area. The volume highlights synthetic approaches and catalytic options that facilitate the construction of multiple substituted molecules under mild conditions from easily available starting substrates. Drawing on the experience of its expert author, the book is a useful guide on the key approaches being explored in this area. Following a user-friendly structure based on specific six-membered heterocycle ring groups, this volume highlights synthetic approaches and catalytic options that facilitate the construction of multiple substituted molecules under mild conditions from easily available starting substrates.

Synthesis of 5-Membered Heterocycles - Role of DMF as Solvent, Reagent, Catalyst, and Stabilizer: Navjeet Kaur Synthesis of 5-Membered Heterocycles - Role of DMF as Solvent, Reagent, Catalyst, and Stabilizer
Navjeet Kaur
R4,676 R4,236 Discovery Miles 42 360 Save R440 (9%) Ships in 12 - 17 working days

Synthesis of Five-Membered Heterocycles: Role of DMF as Solvent, Reagent, Catalyst, and Stabilizer helps readers quickly assess possible synthetic approaches. The book's audience, researchers, academic professionals and synthetic chemists both in industry and academia will find detailed information about the synthesis of five-membered heterocyclic compounds using dimethylformamide. Over the years, heterocyclic compounds, especially five-membered, have drawn more attention of pharmaceutical community because of their therapeutic value. The formation of heterocyclic compounds has turned out to be the keystone of synthetic organic chemistry. Dimethylformamide has played an important role in organic synthesis for a long time, and it is frequently utilized as a common solvent for chemical reactions and broadly used in industry as a reagent. It is a unique chemical and can play three other roles in organic chemistry, i.e., as stabilizer, reagent and catalyst. Due to its structure, DMF can participate in several reactions as a versatile building block for several units.

Palladium Assisted Synthesis of Heterocycles (Hardcover): Navjeet Kaur Palladium Assisted Synthesis of Heterocycles (Hardcover)
Navjeet Kaur
R6,166 Discovery Miles 61 660 Ships in 12 - 17 working days

This book is a compilation of the recent applications of palladium catalysts in organic synthesis. The book demonstrates that it is a highly dynamic research field. This methodology has emerged as a powerful tool for the efficient and chemoselective synthesis of heterocyclic molecules. In the past few years, several strategies have been pointed out to pursue more efficient, sustainable, and environment friendly chemical processes. Among those strategies, catalysis and the design of new processes that avoid the use of toxic reagents have been the focus of intense research.

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