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  • TITLE
  • DEDICATION
  • CERTIFICATE
  • DECLARATION
  • ACKNOWLEDGEMENT
  • CONTENTS
  • ABSTRACT
  • I. Naturally occurring molecules bearing chiral γ-butyrolactone ring system
  • I.1 Introduction
  • I.2 Inventory of naturally occurring molecules bearing chiral γ-butyrolactone moiety
  • I.3 Synthesis of chiral y-butyrolactone ring systems of naturally occurring molecules
  • I.4 Scope and Objective of the Present Study
  • II. Isolation and structural investigation of (2S, 3R) -tetrahydro-3-hydroxy-5-oxo-2, 3 furandicarboxylic acid
  • II.1 Introduction
  • Fig.II.1a Hibiscus Sabdariffa
  • Fig.II.1b Hibiscus furcatus
  • II.2 Results and Discussion
  • II.3 General Experimental Details
  • II.4 Experimental
  • III. Preparation of novel cyclic chiral molecules from (2S, 3R) -tetrahydro-3-hydroxy-5-oxo-2, 3 furandicarboxylic acid
  • III.1 Introduction
  • III.2 Results and Discussion
  • III.3 Experimental
  • IV. Synthesis of novel enantiomerically pure polyols from (2S, 3R) -tetrahydro-3-hydroxy-5-oxo-2, 3-furandicarboxylic acid and their application in asymmetric Diels-Alder reaction
  • IV.1 Introduction
  • IV.2 Results and Discussion
  • IV.2.1 Preparation of novel chiral 1, 2 diols and ketals
  • IV2.2 Preparation of (4S, 5R) -4- (2-hydroxy-2, 2-diarylethyl) -2, 2-dimethyl-α, α, α -tetraaryl-1, 3-dioxolane-4, 5-dimethanol
  • IV.2.3 Preparation and chiral catalysed Diels-Alder reactions using (4S, 5R) -4- (2-hydroxy-2, 2 diarylet.hyl) -2, 2-dimethyl- α, α, α, α -tetraaryl-1, 3-dioxolane-4, 5-dimethanol
  • IV.3 Experimental
  • V. Summary of the thesis
  • References