Advances in Heterocyclic Chemistry

Tribute for Alan R. Katritzky

• Alan Katritzky 1928–2014
• Alan R. Katritzky—An Appreciation of His Contribution to the Chemical Sciences

Chapter One. Dimethyl Acetylenedicarboxylate as a Building Block in Heterocyclic Synthesis

• 1. Introduction
• 2. Synthesis of Various Heterocyclic Compounds
• 3. Synthesis of Fused Heterocyclic Compounds
• 4. Synthesis of Spiro-Compounds
• 5. Synthesis of Miscellaneous Heterocycles
• 6. Conclusions

Chapter Two. Chemistry of Pent-4-yne-1,3-diones (Acetylenic β-diketones) as Precursors for Heterocyclic Compounds

• 1. Introduction
• 2. Synthesis of Acetylenic β-diketones
• 3. Reactions of Acetylenic β-diketones
• 4. Spectroscopic Properties

Chapter Three. Aromaticity and Conjugation in 1,2-Benzoquinone Valence Isomers and Congeners

• 1. Introduction
• 2. Discussion of the 10 Known Pairs of Valence Isomers 1–10
• 3. Related Structures with Other Heteroatoms
• 4. Concluding Remarks

Chapter Four. Ketenes as Privileged Synthons in the Syntheses of Heterocyclic Compounds. Part 1: Three- and Four-Membered Heterocycles

• 1. Introduction
• 2. Syntheses of Various Heterocyclic Compounds
• 3. Three-Membered Heterocycles with One Heteroatom Containing
• 4. Four-Membered Heterocycles with
• 5. Conclusion

Chapter Five. Heterocycles from the Reaction of Thione Groups with Acetylenic Bonds

• 1. Introduction
• 2. Four-Membered Ring Systems
• 3. Five-Membered Ring Systems
• 4. Six-Membered Ring Systems
• 5. Seven-Membered Ring Systems
• 6. Eight-Membered Ring Systems
• 7. Conclusion