Organic Chemistry (OC): Recent submissions

Now showing items 201-220 of 221

    • Chemistry Of Thio And Seleno Metallates In Organic Synthesis 

      Saravanan, V (2007-12-29)
      Thio metallates are known for many years for their utility in many processes. They have been established as versatile reagents in organic synthesis. However the heavier metal chalcogenides, though known for many years, ...

    • Molecular Expression Through Fluorescence: Studies In Probe Design And Aggregation 

      Gulyani, Akash (2007-12-29)
      The present thesis entitled, "Molecular expression through fluorescence: Studies in probe design and aggregation" describes very simple bi-functional donor-acceptor poly-aromatic fluorophores that have been shown to possess ...

    • Synthesis Of Sesquiterpenes Containing Two Vicinal Quaternary Carbon Atoms 

      Rao, M Srinivasa (2007-12-27)
      Among nature's creation, terpenoids are more versatile and exciting natural products. In a remarkable display of synthetic ingenuity and creativity, nature has endowed terpenes, more so sesquiterpenes, with a bewildering ...

    • Molecular Modulation Of Material Properties: Studies On Nanoparticles, Nanoassemblies, And Low Molecular-Mass Gelator 

      Srivastava, Aasheesh (2007-11-19)
      The present thesis titled “Molecular Modulation of Material Properties: Stud- ies on Nanoparticles, Nanoassemblies and Low Molecular Mass Gelator” deals with the preparation, characterization, and investigations into the ...

    • Towards The Total Synthesis Of Terpenoid Natural Products 

      Umarye, Jayant Durgaram (2007-09-05)
      The construction of diverse molecular architecture conceived and created by Nature, continues to be the most exiting and challenging task to the practitioners of organic synthesis. As a result of refinement in isolation ...

    • One-Pot Synthesis Of Chiral Disulfides & Diselenides From α-Amino Acids Mediated By Ammonium Tetrathiomolybdate In Water 

      Navin, V (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 ...

    • Design And Synthesis Of Novel Interacalator Based Chemical Nuclease 

      Ghosh, Sumana (Indian Institute of Science, 2007-03-08)
      Deoxyribonucleic acid and ribonucleic acid under physiological condition are polyanions composed of heterocyclic bases linked through sugar phosphate backbone. Due to Watson-Crick base pairing, DNA exists in double-helical ...

    • Synthesis Of Carbasugars And Other Related Structural Motifs 

      Talukdar, Pinaki (Indian Institute of Science, 2006-12-11)
      Recent years have witnessed a great deal of interest in the design and synthesis of small molecules, which can mimic complex carbohydrates of vital importance in various life processes. Carbasugars constitute one such class ...

    • Computational Studies On Some Plausible Structures Of The Hydrides And Oxyhydrides Of [36-D6h] Fullerene 

      Paul, Ankan (Indian Institute of Science, 2006-11-23)
      Fullerenes, the highly symmetric molecular carbon clusters, have been in the limelight of scientific research since their discovery by Kroto and coworkers [1]. The focus of experimental and theoretical studies has centered ...

    • Synthetic Investigations In Terpenoids And Steroids 

      Bijoy, P (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 

      Ganguly, Bishwajit (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 

      Hariprakasha, H K (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 

      Kaliappan, K (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 

      D'Souza, Lawrence Joseph (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 

      Rathna, A (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 

      Selvakumar, N (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 

      Sattigeri, J A (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 

      Armugam, S (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 

      Ramesha, A R (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 

      Mathivanan, P. (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 ...