Division of Chemical Sciences: Recent submissions
Now showing items 401-420 of 969
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Gas Phase Infrared Spectroscopy of Large Aromatic Molecules : Fermi Resonance in the C-H Stretching Region
(2018-07-19)In this thesis, I have investigated gas phase infrared spectroscopy of environmentally as well as astrophysical important large organic molecules such as naphthalene, methy-lated naphthalene, fluorine, methyalted fluorine ... -
Titania Nanostructures for Photocatalytic and Photovoltaic Applications
(2018-07-19)Titania has been the focus of attention for several decades owing to its chemical stability, non-toxicity, inexpensiveness and robust surface chemistry. Its technological applications include use in diverse areas such as ... -
Third Generation Crystal Engineering : Supramolecular Synthons, IR Spectroscopy and Property Design
(2018-07-19)Crystal engineering is defined as “the understanding of intermolecular interactions in the context of crystal packing and in the utilisation of such understanding in the design of new solids with desired physical and ... -
Total Synthesis of Bio-Active Macrolide Natural Products and Sulfinamide Based Ligands in Asymmetric Catalysis
(2018-07-18)The thesis entitled “Total synthesis of bio-active macrolide natural products and sulphonamide based ligands in asymmetric catalysis” is divided into two chapters. First chapter of the thesis describes the total synthesis ... -
Pushing the Limits of NMR Sensitivity and Chiral Analysis : Design of New NMR Methods and Bio-Molecular Tools
(2018-07-18)The thesis entitled "Pushing the Limits of NMR Sensitivity and Chiral Analysis: Design of New NMR Methods and Bio-molecular Tools" consists of six chapters. The research work reported in this thesis is focused on the ... -
Palladium Catalyzed Refunctionalizations of Olefins : Novel Strategies for Construction of C-C, C-Hetero Bonds and Homogeneous Hydrogenation
(2018-07-18)Chapter 1: Metal carbenoids in organic synthesis The chapter describes the phenomena of metal carbenoid insertion reactions in two parts: Part A, and Part B. The study of N-tosylhydrazones as diazo precursor was commenced ... -
Construction of Complex Polycyclic Systems using Gold Catalyzed Intramolecular Diyne/Enyne/ Hydroalkoxylation Reactions
(2018-07-18)First section of chapter 1 deals with gold catalyzed synthesis of ring fused furo[3,2,b]pyrans and furo[3,2,b]furans. Furo[3,2,b]pyrans and furo[3,2,b]furans are ubiquitous structural segments found in a number of natural ... -
Electrochemical Investigations Related to High Energy Li-O2 and Li-Ion Rechargeable Batteries
(2018-07-18)A galvanic cell converts chemical energy into electrical energy. Devices that carry out these conversions are called batteries. In batteries, generally the chemical components are contained within the device itself. If ... -
Copper-Azides : Syntheses, Structures and Magnetic Behavior
(2018-07-09)Extensive research work was carried out in past few decades to synthesize new compounds with extended structures by employing various organic linkers and metals. A large number of potential applications of these coordination ... -
Studies on Correlation between Microstructures and Electronic Properties of Organic Semiconductors
(2018-07-05)The work carried out in this thesis systematically investigates the correlation between microstructures and electronic properties of organic semiconductors. The major directions that were pursued in this thesis are: (i) ... -
Alkynones Derived from Tartaric Acid : Efficient Building Blocks for the Synthesis of Macrolactone Natural Products
(2018-07-05)The thesis describes the synthesis and application of various alkynones derived from the bis-Weinreb amide of tartaric acid in the total synthesis of macrolactone natural products. The thesis is divided into three sections. ... -
Metal-Organic Framework (MOF) Compounds : Synthesis, Structure, Sensing and Catalytic Studies
(2018-06-29)The metal-organic framework (MOF) compounds have witnessed rapid growth in the past decade and currently emerged as a highly unique area in the field of chemistry, materials science, and multiple branches of engineering. ... -
Insights into the Chemistry of Iron Complexes as Imaging and Photocytotoxic Agents
(2018-06-23)The current thesis addresses the various facets of the chemistry of photocytotoxic iron complexes including their syntheses, characterization, evaluation of the anti-proliferative activities in various cancer cell lines ... -
Investigations into the Synthesis, Structural and Multifunctional Aspects of Ba0.85Ca0.15Zr0.1Ti0.9O3 and K0.5Na0.5NbO3 Ceramics
(2018-06-23)Non-centrosymmetric materials that can be polarized under applied mechanical stress or electric field are piezoelectric in nature and the phenomenon is called piezoelectric effect. They are broadly classified as direct and ... -
Addressing Subtle Physicochemical Features Exhibited by Molecular Crystals Via Experimental and Theoretical Charge Density Analysis
(2018-06-19)The thesis entitled “Addressing subtle physicochemical features exhibited by molecular crystals via Experimental and Theoretical Charge Density Analysis” consists of five chapters. An introductory note provides a brief ... -
Structure-Function Control in Organic Co-Crystals/Salts Via Studies on Polymorphism, Phase Transitions and Stoichiometric Variants
(2018-06-19)The thesis entitled “Structure-function control in organic co-crystals/salts via studies on polymorphism, phase transitions and stoichiometric variants” consists of five chapters. The main emphasis of the thesis is on ... -
Halogen Bonding in the Structure and Biomimetic Dehalogenation of Thyroid Hormones and Halogenated Nucleosides
(2018-06-18)Thyroid hormones, which are secreted by the thyroid gland, are one of the most important halogenated compounds in the body. Thyroid hormones control almost every processes in the body including growth, body temperature, ... -
Organocatalytic Cascade Cyclizations for the Enantioselective Synthesis of Spirooxindoles
(2018-06-18)The thesis entitled “Organocatalytic Cascade Cyclizations for the Enantioselective Synthesis of Spirooxindoles” is divided into three chapters. Chapter 1: Catalytic Enantioselective Michael Addition/Cyclization Cascade ... -
Study of Charge Separation in Quantum Dots and Their Assemblies
(2018-06-15)This thesis reports a passive method for Fermi level regulation in quantum dot assemblies through ground state transfer between QDs. Here, ZnTe/CdS, and PbSe/CdSe core/shell QDs were used as valence band electron donors, ...