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The Chemistry of Heterocycles - Chemistry of Six to Eight Membered N,O, S, P and Se Heterocycles (Paperback): Vishnu Ji Ram,... The Chemistry of Heterocycles - Chemistry of Six to Eight Membered N,O, S, P and Se Heterocycles (Paperback)
Vishnu Ji Ram, Arun, Sethi, Mahendranath, Ramendra Pratap
R4,244 Discovery Miles 42 440 Ships in 12 - 19 working days

The Chemistry of Heterocycles: Chemistry of Six to Eight Membered N,O, S, P and Se Heterocycles details the chemistry, behavior and potential of these important structures. The book presents a practical guide to international nomenclature, including discussions of fused ring systems, heteroatoms with abnormal valences, and bridged, spiro and polycyclic heterocycles. Three membered heterocycles are then the focus, along with their thermodynamic properties and importance in natural products, medicines, materials, and their unique aspects, such as strain, basicity and reactivity. Additional chapters cover 100 key heterocycle structures, from Azetidines, Pyrroles and Pyridines, to Benzoxepines and Oxocanes. Final chapters explore cutting-edge advances in the development of phosphorus and selenium based heterocycles.

The Chemistry of Heterocycles - Nomenclature and Chemistry of Three to Five Membered Heterocycles (Paperback): Vishnu Ji Ram,... The Chemistry of Heterocycles - Nomenclature and Chemistry of Three to Five Membered Heterocycles (Paperback)
Vishnu Ji Ram, Arun, Sethi, Mahendranath, Ramendra Pratap
R4,243 Discovery Miles 42 430 Ships in 12 - 19 working days

Heterocycles are ubiquitously present in nature and occupy a unique place in organic chemistry as they are part of the DNA and haemoglobin that make life possible. The Chemistry of Heterocycles covers an introduction to the topic, followed by a chapter on the nomenclature of all classes of isolated, fused and polycyclic heterocycles. The third chapter delineates the highly strained three membered N,O and S containing aromatic and non-aromatic heterocycles with one and more than one similar and dissimilar heteroatom. The four-membered heterocycles are abundantly present in various natural and synthetic products of pharmacological importance. This chapter describes the natural abundance, synthesis, chemical reactivity, structural features and their medicinal importance. This class of compounds are present as sub-structures in penicillin and cytotoxic Taxol. Lastly, a chapter on the natural abundance, synthesis, chemical reactivity and pharmacological importance of 5-membered heterocycles with N,O,S heteroatom is covered. The chemistry of heterocycles with mixed heteroatom such as, N-S, N-O, N-S etc. is also described.

Revival: Hindu Mysticism (1934) - According to the Upanisads (Paperback): Mahendranath Sircar Revival: Hindu Mysticism (1934) - According to the Upanisads (Paperback)
Mahendranath Sircar
R1,977 Discovery Miles 19 770 Ships in 12 - 19 working days

Hindu Mysticism provides an engaging introduction to the various mystical traditions that evolved over the centuries in India, including the sacrificial (Vedic), Upanishadic, Yogic, Buddhist, Classical Bhakti (Devotional) and Popular Bhakti. Given its sweeping scope, the text also serves as a useful overview to Indian thought for newcomers to this ancient philosophical and spiritual tradition.

Revival: Hindu Mysticism (1934) - According to the Upanisads (Hardcover): Mahendranath Sircar Revival: Hindu Mysticism (1934) - According to the Upanisads (Hardcover)
Mahendranath Sircar
R6,748 Discovery Miles 67 480 Ships in 12 - 19 working days

Hindu Mysticism provides an engaging introduction to the various mystical traditions that evolved over the centuries in India, including the sacrificial (Vedic), Upanishadic, Yogic, Buddhist, Classical Bhakti (Devotional) and Popular Bhakti. Given its sweeping scope, the text also serves as a useful overview to Indian thought for newcomers to this ancient philosophical and spiritual tradition.

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