HOME
Search & Results
Full Text
Thesis Details
Page:
128
Full Screen
TITLE
CERTIFICATE
DECLARATION
ACKNOWLEDGEMENT
CONTENTS
Preface
1 Introduction
l.1 Intramolecular Photochemical [2+2] Cycloaddition Reactions of Bis (cinnamoyl) Ketene Dithioacetals
1.2 Reactions of Bis (cinnamoyl) Ketene Dithioacetals with Dimsyl Sodium: Synthesis of Functionalized Thiopyrans
1.3 Reactions of ΒOxothioamides with 1, 2- Bielectrophiles: Synthesis of Functionalized Thiophenes
1.4 Reactions of α-Hydroxyketene Dithioacetals with Vilsmeier Reagents
References
2 Studies on Crystal Structure and Conformation Assisted Photochemical Reactions of Bis (cinnamoyl) Ketene Dithioacetals
2.1 Introduction
2.1.1 Cinnamoyl Ketene Dithioacetals: Synthesis and Reactivity
2.1.2 Bis (cinnamoyl) Ketene Dithioacetals: Synthesis and Reactions
2.1.3 Photochemical [2+2] Cycloaddition Reactions
2.1.4 Photoreactions of Cinnamic Acid Derivatives
2.2 Results and Discussion
2.3 Experimental
2.3.1 Claisen-Schmidt Reaction of 3- (1, 3-Dithiolan-2-yliden) -2, 4-pentanedione.
2.3.2 Photochemical [2+2] Cycloaddition Reaction of Bis (cinnamoyl) Ketene Dithioacetals
References
3 Fragmentation Reactions of Bis (cinnamoyl) Ketene Dithioacetals: Synthesis of Functionalized Thiopyrans
3.1 Introduction
3.1.1 Fragmentation Reactions: An Overview
3.1.2 Sodium Methylsulfenylmethylide: Applications in Organic Synthesis
3.1.3 Functionalized Thiopyrans: General methods of Synthesis
3.1.4 Sodium Methylsulfenylmethylide: Reactions with α-Oxoketene Dithioacetals
3.2 Results and Discussion
3.2.1 Reaction of (1E, 6E) -4- (l, 3-Dithiolan-2-yliden) -1, 7-diphenyl-1, 6-heptadiene 3, 5-dione with Dimsyl Sodium
3.2.2 Reactions of Cyclic Ketene Dithioacetals Containing a 1, 3-Dithiane Moiety with Dimsyl Sodium
3.3 Experimental
3.3.1 General Procedure for the Synthesis of 2-Aryl-5-[ (E) -3-phenyl-2 propenoyll-6- (vinylsulfanyl) -2, 3-dihydro-4H-thiopyran-4-ones
3.3.2 Preparation of 2-Phenyl-6- (vinyl sulfanyl) -2H-thiopyran
3.3.3 Reaction of 3- (1, 3-Dithian-2-yliden) -2, 4-pentanedione with Dimsyl Anion: Synthesis 1- (1, 3-dithian-2-yliden) acetone
References
4 Synthesis of Functionalized Thiophenes from β- Oxothioamides
4.1 Introduction
4.1.1 β-Oxodithioesters: Synthesis
4.1.2 β-Oxodithioesters: Synthetic Applications
4.1.3 β-Oxothioamides: Synthesis and Reactions
4.1.4 Thioamides: Applications in the Synthesis of Functionalized Thiophenes
4.1.5 Functionalized Thiophenes: General Synthetic Methods
4.2 Results and Discussion
4.2.1 Reactions of Βoxothioamides with Phenyl Bromide
4.2.2 Reactions of Βoxothioamides with ethyl bromoacetate
4.3 Experimental
4.3.1 General procedure for the Synthesis of (2-Morpholino-4-phenyl-3 thienyl) (phenyl) methanones
4.3.2 General procedure for the synthesis of (2-morpholino-4-phenyl-3 thienyl) (phenyl) methanones
4.3.3 General Procedure for the Synthesis of Ethyl 3-phenyl-5-piperidino-2 thiophenecarboxylate
References
5 Vilsmeier-Haack Reactions of α-Hydroxyketene Dithioacetals: Synthesis of Substituted Pentadienethioates
5.1 Introduction
5.1.1 Carbonyl Group Transpositions: Applications in Organic Synthesis
5.1.2 1, 3-Carbonyl Group Transpositions: General Strategies
5.1.3 Chloromethyleneiminium Salts: Preparation and Synthetic Applications
5.1.4 α-Hydroxyketene Dithioacetals: Synthetic Uses
5.2 Results and Discussion
5.2.1 Reactions of 4, 4-Bis (methylsulfanyl) -2-phenyl-3-buten-2-ol with Chloromethyleneiminium Salts: Synthesis of Substituted 3-Aryl-5 methylsulfanyl-2, 4-pentadienethioates
5.2.2 Reactions of 1- (1, 3-Dithiolan-2-yliden) -: 2-phenyl-2-propanols with Chloromethyleneiminium Salts
5.3 Experimental
5.3.1 General Procedure for the Synthesis of 3-Aryl pentadienethioates
5.3.2 General Procedure for the Synthesis of 4- (1, 3-Dithiolan-2-yliden) 3-aryl-2-butenal
References