PREFACE TO THE THIRD EDITION
THE STRUCTURE OF HETEROCYCLIC COMPOUNDS
SYSTEMATIC NOMENCLATURE OF HETEROCYCLIC COMPOUNDS
Hantzsch-Widman Nomenclature
Replacement Nomenclature
Examples of Systematic Nomenclature
Important Heterocyclic Systems
THREE-MEMBERED HETEROCYCLES
Oxirane
Thiirane
2H-Azirine
Aziridine
Dioxirane
Oxaziridine
3H-Diazirine
Diaziridine
FOUR-MEMBERED HETEROCYLES
Oxetane
Thietane
Azete
Azetidine
1,2-Dioxetane
1,2-Dithiete
1,2-Dihydro-1,2-diazete
1,2-Diazetidine
FIVE-MEMBERED HETEROCYCLES
Furan
Benzo[b]furan
Isobenzofuran
Dibenzofuran
Tetrahydrofuran
Thiophene
Benzo[b]thiophene
Benzo[c]thiophene
5.9 2,5-Dihydrothiophene
Thiolane
Selenophene
Pyrrole
Indole
Carbazole
Isoindole
Indolizine
Pyrrolidine
Phosphole
1,3-Dioxolane
1,2-Dithiole
1,2-Dithiolane
1,3-Dithiole
1,3-Dithiolane
Oxazole
Benzoxazole
4,5-Dihydrooxazole
Isoxazole
4,5-Dihydroisoxazole
2,3-Dihydroisoxazole
Thiazole
Benzothiazole
Penam
Isothiazole
Imidazole
Benzimidazole
Imidazolidine
Pyrazole
Indazole
4,5-Dihydropyrazole
Pyrazolidine
1,2,3-, 1,2,4-, 1,3,4-Oxadiazole
1,2,5-Oxadiazole
1,2,3-Thiadiazole
1,2,4-Thiadiazole
1,2,3-Triazole
Benzotriazole
1,2,4-Triazole
Tetrazole
SIX-MEMBERED HETEROCYCLES
Pyrylium Ion
2H-Pyran
2H-Pyran-2-one
3,4-Dihydro-2H-pyran
Tetrahydropyran
2H-Chromene
2H-Chromen-2-one
1-Benzopyrylium Ion
4H-Pyran
4H-Pyran-4-one
4H-Chromene
4H-Chromen-4-one
Chroman
Pyridine
Pyridones
Quinoline
Isoquinoline
Quinolizinium Ion
Dibenzopyridines
Piperidine
Phosphabenzene
1,4-Dioxin, 1,4-Dithiin, 1,4-Oxathiin
1,4-Dioxane
Oxazines
Morpholine
1,3-Dioxane
1,3-Dithiane
Cepham
Pyridazine
Pyrimidine
Purine
Pyrazine
Piperazine
Pteridine
Benzodiazines
1,2,3-Triazine
1,2,4-Triazine
1,3,5-Triazine
1,2,4,5-Tetrazine
SEVEN-MEMBERED HETEROCYCLES
Oxepin
Thiepin
Azepine
Diazepines
LARGER RING HETEROCYCLES
Azocine
Heteronines and Larger-Membered Heterocycles
Tetrapyrroles
PROBLEMS AND THEIR SOLUTIONS