Advances in Heterocyclic Chemistry (eBook)

Cover 1
Contents 6
Advances in Hetrocyclic Chemistry, Volume 45 4
Copyright Page 5
Preface 8
Chapter 1. Chiral Induction Using Heterocycles 10
I. Introduction 10
II. Preparation of C4-Chiral Thiazolidine-2-thiones and Oxazolidine-2-thiones 11
III. Chiral Recognition in Aminolysis 13
IV. Analytical Separation and Optical Resolution of Racemic Carboxylic Acids and Amino Acids 15
V. Highly Diastereoselective Aldol-Type Reactions 16
VI. Highly Selective Nonenzymatic Chiral Induction onto Prochiral s-Symmetric Dicarboxylic Acids 31
VII. Methylseleno-Promoted Ketene–Imine Cycloaddition Reaction 39
VIII. Conclusion 42
References 42
Chapter 2. Heterocyclic Quinones 46
I. Introduction 47
II. Quinones with a Condensed Four-Membered Heterocyclic Ring 48
III. Quinones with a Condensed Five-Membered Ring with One Heteroatom 48
IV. Quinones with a Condensed Five-Membered Ring with Two Heteroatoms 83
V. Quinones with a Condensed Five-Membered Ring with Three Heteroatoms 91
VI. Quinones with a Condensed Six-Membered Ring 93
VII. Quinones with Two Different Heterocyclic Systems Attached to the Quinone Moiety 127
VIII. Miscellaneous Heterocyclic Quinones 130
IX. Appendix 131
References 133
Chapter 3. The Chemistry of Thiophenium Salts and Thiophenium Ylids 160
1. Introduction 161
II. S-Alkylated Thiophenes 162
III. Thiophene S,C-Ylids 168
IV. Thiophene S,N-Ylids 185
V. Conclusions 191
References 191
Chapter 4. 1, 4-Diazocines 194
I. Scope and Nomenclature 194
II. Preparative Methods 196
III. Theoretical and Structural Studies 218
IV. Reactions 226
V. Applications 232
References 233
Chapter 5. Recent Advances in Azomethine Ylide Chemistry 240
I. Introduction 241
II. Generation 242
III. Cycloadditions 304
IV. Intramolecular Cycloadditions 342
V. Natural Product Synthesis 346
VI. Conclusion 352
References 353