Organic Chemistry (OC): Recent submissions
Now showing items 21-40 of 220
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Employing Arynes in Unique Multicomponent Reactions and a Strain-Release Ene Reaction
Arynes are highly reactive electrophilic intermediates, extensively used for synthesizing various benzo-fused heterocycles and 1,2-disubstituted benzenes. Among the numerous reactions of arynes, multicomponent coupling ... -
2,3-Dideoxy Sugars in Glycoconjugations and Cyclic Oligosaccharide Synthesis
2,3- Dideoxy sugars are versatile synthons for organic synthesis. The applications are diverse in biological systems and organic synthesis. In the first part of the thesis, 2,3-unsaturated sugars are used for the ... -
Synthesis and Studies of Covalent Polydiacetylene Glycopolymers as Scaffolds to Uncover Intricate Carbohydrate-Protein Interactions
Overall, the Thesis work establishes: • Monomeric and multimeric ligand-lectin interactions occurring at cell surfaces that could be assessed using purified protein and cellular model system, namely, glycovesicles; • ... -
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, ... -
Diverse Applications of Luminescent Metallocholate Hydrogels
Supramolecular gels are soft materials consisting of a solid three-dimensional network with noncovalent interactions such as hydrophobic interactions, hydrogen bonding, cation-п, and п- п interactions. Due to their soft, ... -
Total Synthesis of Piperidine and Pyrrolidine Alkaloids and Towards the Total Synthesis of Strychnine
Total synthesis of natural products is an important area of contemporary interest in synthetic organic chemistry. Total synthesis of natural products serves as a platform for the development of new synthetic strategies ... -
C-H Bond Functionalization and Tandem Cyclization with Alkynoates and Maleimides Using Directing Group Strategy
The thesis presents manganese‒ and rhodium‒catalyzed C‒H bond activation and tandem cyclization reactions. These reactions lead to the construction of carbon‒carbon bonds using directing group strategy. The thesis is divided ... -
Extending Aryne Chemistry: Application to Insertion Reactions, Multicomponent Couplings, Molecular Rearrangements and Arylation Reactions
Arynes are highly reactive electrophilic intermediates, which can be utilized in various carbon-carbon bond-forming reactions including pericyclic reactions, insertion reactions, multicomponent couplings (MCCs), molecular ... -
Allylic Halogenation Route to Latent-Active Trans-Glycosylation of Allyl Glycoside Donors
Allylic halogenation of allyl glycosides as a new route to allyl glycoside donors in glycosylations is investigated in this thesis. Allyl functionality is one of the commonly adopted protecting groups to hydroxyl groups ... -
N-Heterocyclic Carbene (NHC)-Catalyzed Stereoselective Synthesis of Six-Membered Heterocycles and Carbocycles
N-Heterocyclic carbene (NHC) based catalysis is employed for the generation of α,β-unsaturated acylazoliums followed by their interception with various nucleophiles, the formal [3+3] annulation reactions for the construction ... -
Analytical Applications of Bile Acid-derived Soft Materials
Supramolecular gels are soft materials with solid-like properties such as supporting weight and retaining shape; and some liquid-like features which make them injectable, printable, etc. On the other hand, lanthanide-based ... -
Construction of Carbon-Heteroatom and Heteroatom-Heteroatom bonds using Iodine and Zinc catalysts
The thesis entitled “Construction of Carbon-Heteroatom and Heteroatom-Heteroatom bonds using Iodine and Zinc catalysts” has been divided into five chapters. Chapter 1 describes a general introduction to iodine, hyper-valent ... -
Stereoselective synthesis of functionalized allenes, total synthesis of monticolides A and B, and towards the total synthesis of tulearin C
The thesis, entitled as “Stereoselective synthesis of functionalized allenes, Total synthesis of Monticolides A and B, and towards the total synthesis of Tulearin C” is divided into two chapters. Section A chapter-1 deals ... -
Design and Synthesis of New Delivery Vehicles for Anti- Cancer Therapeutics
The thesis entitled ‘‘Design and Synthesis of New Delivery Vehicles for Anti-Cancer Therapeutics’’ encloses the syntheses, characterization and bioactivity determination of the novel systems designed for achieving high ... -
Carbon-Carbon and Carbon Heteroatom Bond Forming Reactions: From Organocatalysts to Quantum Dots
Butenolides containing stereogenic centers on the ring, are commonly encountered structural motifs, found in many natural products. Consequently, there has been considerable interest in efficient and stereoselective ... -
Self-assembly of Luminescent Metal Nanoclusters, Supramolecular Bile salt based Gels and their Soft Nanocomposites
The thesis is based on the study of the self-assembly of multicolor luminescent nanoclusters, bile salt derived supramolecular gels and soft hybrid gel-nano composites -
Molecular Construction Using Carbene and Diboron Systems: Catalytic Transformation of C-C and C-Hetero Atom Bonds
The thesis presents an unconventional approach for the molecular construction using carbenes as the carbon source, and water as the hydrogen source. A gold-catalyst has been used to transfer the carbenes to effect ... -
Engineered Nanomaterials: Array-based Sensing of Biological and Chemical Analytes
Array-based sensing, also known as chemical nose/tongue analysis, offers an alternative platform for simultaneous differentiation of a wide range of analytes using a fixed number of cross-reactive receptors. The sensor ... -
Construction of C-C bonds by C-H Activation: Rh(III)-Catalyzed reactions of Arenes and Heteroarenes with Maleimides and Allylic Alcohols
The thesis presents a few Rh-catalyzed C-H activations for the construction of C-C bonds. The difficulty of substitution or the arylation at the maleimide's double bond under C-H activation conditions prompted a detailed ... -
Total synthesis of the macrolactone core of migrastatin, formal synthesis of (+)-ratjadone A, and towards the synthesis of sphingofungin F
The thesis entitled “Total synthesis of the macrolactone core of migrastatin, formal synthesis of (+)-ratjadone and Towards the total synthesis ofsphingofungin F” is divided into three chapters and an appendix highlighting ...