| Preface | 5 |
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| Contents | 7 |
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| Introduction | 8 |
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| References | 10 |
| Three-Membered Azaheterocycles | 12 |
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| 1.1 Synthesis of Aziridinyl Ketones and Their Chemical Properties | 12 |
| 1.2 Synthesis of Bi- and Tricyclic Aziridine Derivatives | 22 |
| 1.3 Chemical Properties of Bi- and Tricyclic Aziridines | 27 |
| References | 40 |
| Five-Membered Azaheterocycles | 44 |
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| 2.1 Reactions with Diazoalkanes | 44 |
| 2.2 Reactions of Hydrazines and Hydroxylamines | 48 |
| 2.3 Structure, Chemical and Physicochemical Properties of Pyrazolines | 57 |
| References | 62 |
| Six-Membered Azaheterocycles Based on 1,3- Binucleophiles | 68 |
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| 3.1 Reactions of Enamines | 69 |
| 3.2 Reactions of Urea and Its Analogues | 72 |
| 3.3 Reactions of Malonic Acid Derivatives | 83 |
| 3.4 Reactions of Aminoazoles | 90 |
| 3.5 Reactions of Anilines and Aminoazines | 107 |
| 3.6 Chemical Properties of Dihydroazines | 115 |
| 3.7 Tautomerism of Pyridine and Pyrimidine Dihydro Derivatives | 137 |
| References | 143 |
| Cyclocondensations of 1,2-Diamines | 155 |
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| 4.1 Synthesis of 1,5-Dihydroazepines | 155 |
| 4.2 Three-Component Condensation of 1,2-Diamines with Ketones | 163 |
| 4.3 Reactions of Dihydrobenzodiazepines | 169 |
| 4.4 Five- and Six-Membered Heterocycles Based on ortho- Diamines | 176 |
| References | 182 |
| Addendum: Selected Synthetic Procedures | 187 |
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| A.1 Synthesis of Three-Membered Heterocycles | 187 |
| A.2 Synthesis of Five-Membered Heterocycles | 193 |
| A.3 Synthesis of Six-Membered Heterocycles | 197 |
| A.4 Reactions of a,b- Unsaturated Carbonyls with 1,2- Diamines | 205 |
| References | 208 |
| Index | 210 |
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