Division of Chemical Sciences: Recent submissions
Now showing items 921-937 of 937
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Semiconductor Photocatalysts For The Detoxification Of Water Pollutants
(Indian Institute of Science, 2006-06-15)Water pollution is a major concern in vast countries such as India and other developing nations. Several methods of water purification have been practiced since many decades, Semiconductor photocatalysis is a promising ... -
In-Situ Synthesis Of A12O3_ZrO2_SiCw Ceramic Matrix Composites By Carbothermal Reduction Of Natural Silicates
(Indian Institute of Science, 2006-06-14)This thesis outlines the work done on in-situ synthesis of Al2O3-ZrO2-SiCw ceramic composites and their property evaluation. The introductory chapter deals with the literature survey on ceramic matrix composites, properties ... -
Dynamical Approach To The Protevin-Le Chatelier Effect
(Indian Institute of Science, 2006-06-07)Materials when subjected to deformation exhibit unstable plastic flow beyond the elastic limit. In certain range of temperature and strain rates many solid state solutions, both interstitial as well as substitutional, ... -
Study Of Pulsed Laser Ablated Barium Strontium Titanate Thin Flims For Dynamic Random Access Memory Applications
(Indian Institute of Science, 2006-04-18)The present study describes the growth and characterization of pulsed laser ablated Bao.sSro.sTiOs (BST) thin films. Emphasis has been laid on the study of a plausible correlation between structure and property in order ... -
Nanostructured Assemblies Based On Metal Colloids And Monolayers: Preparation, Characterisation And Studies Towards Novel Applications
(Indian Institute of Science, 2005-12-08)Nanoscience dominates virtually every field of science and technology in the 21st century. Nanoparticles are of fundamental interest since they possess unique size- dependent properties (optical, electrical, mechanical, ... -
Synthetic Investigations In Terpenoids And Steroids
(Indian Institute of Science, 2005-11-17)The thesis entitled "SYNTHETIC INVESTIGATIONS IN TERPENOIDS AND STEROIDS" consists of 3 Chapters Chapter-I deals with the synthetic studies on the hexacyclic nortriterpene Pfaffic acid 1, and is divided into two ... -
Theoretical Studies Of pie-Facial Selectivity In Organic Reactions
(Indian Institute of Science, 2005-06-15)he thesis entitled "Theoretical Studies of pie-Facial Selectivity in Organic Reactions" involve a computational examination of a suitable reactivity problem in organic chemistry. Systematic and efficient -procedures have ... -
Synthesis Of Natural Products Based On Cyclohexadienes
(Indian Institute of Science, 2005-05-19)The thesis entitled "Synthesis of Natural Products Based on Cyclohexadienes" consists of two chapters. Chapter 1 is divided into two parts. Part I gives a brief introduction to the structure, synthesis, biosynthesis and ... -
Synthetic Investigations On Terpenoids
(Indian Institute of Science, 2005-05-02)The thesis entitled "SYNTHETIC INVESTIGATIONS ON TERPENOIDS" consists of two chapters. Chapter I deals with the total synthesis of the sesquiterpenes, 2-pupukeanone 1 Norpatchoulenol 2 and patchouli alcohol 3 and is ... -
Bile Acid Based Molecular Tweezers And Crown Ethers
(Indian Institute of Science, 2005-05-02)Chapter 1. Introduction to Molecular Tweezers Whitlock and Zimmerman developed a class of molecular hosts, popularly known as molecular tweezers, which sandwich aromatic guests by ii=ii interaction. Chapter 1 summarizes ... -
Theoretical Studies Of Fullerenes And Fullerene Derivatives
(Indian Institute of Science, 2005-04-29)The detection of Ceo and Cro in 1985 and the subsequent development of a preparative procedure have opened up a new area of research in carbon chemistry. The study of physico-chemical properties of these molecules is ... -
Synthetic investigations on terpenoids
(Indian Institute of Science, 2005-04-27)The thesis entitled "Synthetic Investigations on Terpenoids" is divided into two sections. Section 1 deals with the total synthesis of sesquiterpenes belonging to the Zizsene group and Section 2 contains the synthetic ... -
Synthesis and reaction of spironapthalenones
(Indian Institute of Science, 2005-04-27)The thesis entitled 'syntheses and reactions of spironaphthalenones’ is presented in four chapters. A general introduction to the chemistry of spironapththalenones covering the recent literature is given in Chapter ... -
Studies on N-Heterocyclic Compounds
(Indian Institute of Science, 2005-04-27)The thesis entitled "Studies on N-Hetero cyclic Compounds: (a) Reaction of 5,6,7,8-Tetrahydroisoquinolines with Vilsmeier Reagent and (b) Amide Induced in situ Alkylation of 5,6-Dihydroisoquinolines" is presented in two ... -
Organosulfur Reactions In Organic Synthesis With Tetrathiomolybdate
(Indian Institute of Science, 2005-04-27)Recent years have seen a dramatic expansion in synthetic and structural molybdenum - sulfur chemistry. The amplest binary Mo-S moiety in MO$ ion. The thromolybdates derived by sulfur substitution from the 0x0 analogue have ... -
Cholic acid based new chiral auxiliaries: development and applications
(Indian Institute of Science, 2005-04-25)The thesis entitled Cholic Acid Bused New Chiral Auxiliaries: Development And Applications has been divided into three chapters. Chapter-I describes the synthesis of chiral auxiliaries (1.3) from cholic acid and Diets-Alder ... -
Asymmetric Synthesis Of Troger's Base Analogues And Studies In Molecular Recognition
(Indian Institute of Science, 2005-04-25)Troger's base was the first amine to be resolved where the chirality was due to solely very high inversion barrier around nitrogen atom. Though the molecule was known for over a century, work done during the past decade ...