Division of Chemical Sciences: Recent submissions
Now showing items 21-40 of 1148
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Ru(II)-catalyzed C-H activation: Amide-directed 1,4-addition of Ortho C-H bond to maleimides
Transition metal-catalyzed functionalization of C–H bond to C–C bond is advantageous and atom-economical. The use of directing groups is intended to overcome the challenges associated with C–H activation, such as low ... -
Synthesis and evaluation of catalytic supramolecular aggregates
The thesis titled "Synthesis and Evaluation of Catalytic Supramolecular Aggregates" describes the efficiency of various organized assemblies consisting of several newly developed amphiphiles that are covalently attached ... -
New methodologies for oxidation using peroxides mediated by Oxo-Chromium(VI) and Oxo-Boron(III) compounds
Part A: Oxidative Transformations with PDC/t-BuOOH Part A of this thesis focuses on oxidative transformations using the pyridinium dichromate (PDC)/tert-butyl hydroperoxide (t-BuOOH) reagent system. Chapter 1 describes a ... -
Chemistry of tetrathiomolybdate : Application in organic synthesis
Chemistry of Tetrathiomolybdate: Applications in Organic Synthesis K. R. Prabhu, Department of Organic Chemistry, IISc, Bangalore This thesis deals with the chemistry of benzyltriethylammonium tetrathiomolybdate, ... -
New methodologies for oxidation using peroxides mediated by Oxo-Chromium(VI) and Oxo-Boron(III) compounds
Hydrogen fluoride is one of the most inexpensive fluorinating reagents, used for fluorinations, but its use generally requires work under pressure due to its low boiling point. To overcome this difficulty, it has been found ... -
synthesis of some naturally occurring sesquiterpenes
The thesis entitled "SYNTHETIC STUDIES IN SESQUITERPENES" consists of four chapters. Chapter I deals with the general introduction to the thesis, which outlines the broad classification of the sesquiterpenes and, in ... -
Theoretical studies of novel electronic effects in radicals and radical ions
The thesis entitled "Theoretical Studies of Novel Electronic Effects in Radicals and Radical Ions" consists of five chapters. Chapter I is a general introduction to the various techniques that are commonly employed to study ... -
Synthetic investigations on morellin
The thesis entitled "Synthetic Investigations on Morellin" is divided into three sections. Morellin (1), a polyisoprenylated xanthone, was isolated from Garcinia morella and shown to possess high antistaphylococcal activity. ... -
Modification of photochemical reactivity by incorporation of organic molecules in organised media and photocycloaddition reactions ....
The thesis entitled (i) "Modification of Photochemical Reactivity by Incorporation of Organic Molecules in Organised Media" (ii) "Photocycloaddition Reactions of Thiocoumarin" consists of five chapters. Chapter 1 provides ... -
Synthesis and physical studies in heterocyclic systems.
The research described in this thesis entitled "Synthesis and Physical Studies in Heterocyclic Systems" had its origin in an attempt to answer the question: "Does the placement of a substituent on a phenyl ring affect its ... -
synthetic studies in emmotins and related compounds
The thesis entitled "SYNTHETIC STUDIES IN EMMOTINS AND RELATED COMPOUNDS" consists of seven chapters. Chapter 1, the total synthesis of emmotin-G (12), a sesquiterpene occurring in Emmotum nitens, is described. The ... -
pathways in aromatic oxidation mechanistic on the reactions of aromatic substrate with periodic acid
The thesis entitled "Pathways in Aromatic Oxidation – Mechanistic Studies on the Reactions of Aromatic Substrates with Periodic Acid" is divided into six chapters. The first chapter discusses the mechanisms of oxidation ... -
search for new reactions studies with aluminium iodide
The thesis entitled "Search for New Reactions – Studies with Aluminium Iodide" consists of five chapters. The first chapter explores the scope and limitations of aluminium iodide as an ether-cleaving reagent. Its usefulness ... -
Studies on nonlinear optical materials and photochemical reactions in the crystalline state by X-ray crystallography
The thesis entitled "Studies on Nonlinear Optical Materials and Photochemical Reactions in the Crystalline State by X-ray Crystallography" has been divided into two parts. Part I deals with X-ray structural investigations ... -
Facile routes to substituted DI-and triformylbenzenes (part-I). synthesis of pterosin M and Onitin (part- II).
The thesis, dealing with two topics in two parts, is entitled "Facile Routes to Substituted Di- and Triformylbenzenes (Part I). Synthesis of Pterosin M and Onitin (Part II)". The first part, consisting of five chapters, ... -
Norrish type 1 Cleavage reactions of cyclobutanethiones and media
The thesis entitled "Norrish Type I ?-Cleavage Reactions of Cyclobutanethiones and Photochemical Studies in Micellar Media" has been divided into two parts. Part I deals with the strain-assisted ?-cleavage reactions of ... -
Photochemical studies on thiocarbonyl compounds
The thesis entitled "Photochemical Studies on Thiocarbonyl Compounds" consists of five chapters. The photochemical processes studied are Norrish Type I (?-cleavage) and photooxidation reactions. The thiocarbonyls chosen ... -
Synthetic studies in terpenoids.
The thesis entitled "Synthetic Studies in Terpenoids" consists of six chapters. In Chapter 1, the first total synthesis of 8, a norsesquiterpene occurring in the plant Isocoma wrightii, is described. Succinoylation of ... -
Studies in fulvene cycloadditions and in optical resolutions
This thesis entitled "Studies in Fulvene Cycloadditions and in Optical Resolutions" presents, in two parts and five chapters, the following: Studies on the 1,3-dipolar cycloaddition reaction of 6,6-diphenylfulvene with ... -
Synthesis of heterocycles
The thesis entitled "Synthesis of Heterocycles" consists of three chapters. An unusual reaction wherein potassamide in liquid ammonia converts substituted 5,6-dihydroisoquinolines to the corresponding stable 1,2-dihydroi ...