Browsing Organic Chemistry (OC) by Title
Now showing items 183-202 of 427
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Nucleophilic Addition reactions of 2-Aza-allyl anion: Application to the Total Synthesis of Natural Products
The thesis entitled “Nucleophilic Addition reactions of 2-Aza-allyl anion: Application to the Total Synthesis of Natural Products’’ is divided into two sections with an appendix. First section of the thesis details the ... -
One-Pot Synthesis Of Chiral Disulfides & Diselenides From α-Amino Acids Mediated By Ammonium Tetrathiomolybdate In Water
(Indian Institute of Science, 2007-03-27)We have described herein a convenient one-pot synthesis of lisulfides/diselenides from a-amino acids mediated by ammonium etrathiomolybdate in water. (Figure 1) (Figure) Figure 1 Transformation of α-amino acids ... -
Organic Transformations in Water : Synthetic and Mechanistic Studies towards Green Methodologies
(2018-04-12)This thesis entitled “Organic Transformations in Water: Synthetic and Mechanistic Studies towards Green Methodologies” is in two parts. Part-I describes various synthetic studies aimed at developing improved methodologies; ... -
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 ... -
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 ... -
Oxidation of thioketones by singlet oxygen
The thesis entitled “Oxidations of Thioketones and Thioketenes by Singlet Oxygen” consists of 9 chapters. The first two chapters are a general introduction to the work presented in the thesis, and Chapter 6 is a brief ... -
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 ... -
Part-1: Studies in Sesquiterpenses. Part- Organic reractions with Polyphosphoric Acid
Abstract not available -
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 ... -
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 ... -
Photoluminescent Lanthanocholate Gel-Based Sensors for Human Well-Being
Lanthanide-based luminescent materials have emerged as highly promising in biosensing, primarily owing to the long lifetimes of lanthanides, which enable the efficient elimination of background signals during time-delayed ... -
Physicochemical interactions in synthetic templates
This thesis entitled “physicochemical interactions on synthetic templates” is divided into three sections. Since the unifying theme of the work is the use of affinity chromatographic techniques for the purification of ... -
Physicochemical interactions on synthetic templates. Ph.D. Thesis
The thesis entitled "Physicochemical interactions on synthetic templates" can be subdivided into three main sections. The first section is a general introduction dealing with templates. The second section deals with some ... -
Properties and Applications of Metal Cholate Hydrogels
This thesis presents a detailed study on the unusual properties of silver cholate, applications of lanthanide cholate gels, enhanced luminescence of lanthanides by water, and the mechanism of formation of these gels. ... -
Quinone studies
CHAPTER I First chapter contains a brief review on the oxidation-reduction potentials of quinones. Various factors like resonance energy, substituents, solvents and pH of the medium that influence the oxidation-reduction ... -
Radical and Lewis Acid Mediated Syntheses of Panaginsene, Indole-Fused Azabicyclo[3.3.1]Nonane and Davanoids
The thesis contains radical and Lewis acid-mediated syntheses of panaginsene, indole-fused azabicyclo[3.3.1]nonanes, and davanoids. The thesis includes three chapters; chapter-I contains the total synthesis of panaginsene, ... -
Radical cyclisation routes to terpenes and furans
The thesis entitled “Radical Cyclisation Routes to Terpenes and Furans” consists of three chapters. Chapter I This chapter describes various aspects of radical cyclisation reactions (eq. 1) along with examples of their ... -
Reaction of 2- heterosubstituted oxiranes and some other studies.
The object of the present investigation is the study of the synthetic and mechanistic aspects of the rearrangement of 2?halooxiranes to ??halocarbonyl compounds. The thesis entitled “Reactions of 2?Heterosubstituted Oxiranes ...