

2023 № 8 (674) p. 525–622
Table of Contents
Review Articles
MECHANOCHEMICAL SYNTHESIS OF HALOGENATED HETEROCYCLIC COMPOUNDS |
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Геннадий И. Бородкин | 525-533 |

Heterocycles in Focus
HEXAMETHYLDISILAZANE AS A VERSATILE ORGANOSILICON REAGENT FOR THE SYNTHESIS OF HETEROCYCLES |
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Guilherme Arraché Gonçalves, Pablo Machado | 534-536 |

SYNTHESIS OF ALKENYL- AND ALKYNYLOXAZOLES AND -OXAZOLINES USING TOSYLMETHYL ISOCYANIDE AS A KEY BUILDING BLOCK |
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Надежда B. Вчисло, Екатерина А. Верочкина, Виктория Г. Федосеева | 537-539 |

SYNTHESIS OF 3-SPIRO-ANNULATED PYRROLIDINE-2-THIONES |
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Иван А. Андреев, Нина К. Ратманова | 540-542 |

SYNTHETIC APPROACHES TOWARD 2,3-DIHYDROQUINAZOLINONES |
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Abbas Khaja Mohideen, Timiri Khudus Shabeer | 543-545 |

Original Papers
EFFICIENT ONE-POT SYNTHESIS OF 3-(POLYFLUOROALKYL)PYRAZOL-4-AMINES |
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Vera I. Filyakova, Nadezhda S. Boltacheva, Pavel A. Slepukhin, Valery N. Charushin | 546-553 |

A NEW APPROACH TO THE SYNTHESIS OF 17-PYRAZOLYLANDROSTANE |
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Александр В. Комков, Леонид Г. Менчиков, Андрей С. Дмитренок, Александр М. Щербаков, Диана И. Сальникова, Инна С. Левина, Игорь В. Заварзин | 554-563 |

DIVERGENT SYNTHESIS OF 1,5-BENZODIAZEPINES AND BENZIMIDAZOLES via A BICl3-CATALYZED ONE-POT CONDENSATION–CYCLIZATION PROCESS |
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Jiaqi Sun, Shan Li, Meiqing Meng, Qiumei Xue, Xuliang Chen, Qiong Qin, Xiaofeng Liu, Qi Liu | 564-573 |

FORMATION OF 4-(HET)ARYL-3H-1,5-BENZODIAZEPINE-2-CARBOXYLATES FROM (HET)AROYLPYRUVATE ESTERS AND o-PHENYLENEDIAMINE |
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Екатерина Е. Храмцова, Максим В. Дмитриев, Андрей Н. Масливец | 574-579 |

A REGIOSELECTIVE SYNTHESIS OF 5-DIFLUOROMETHYL- AND 7-DIFLUOROMETHYL-SUBSTITUTED PYRAZOLO[1,5-a]PYRIMIDINES |
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Валерий С. Толкунов, Андрей С. Толкунов, Ольга В. Смирнова, Сергей В. Толкунов | 580-586 |

AN UNEXPECTED ROUTE OF ALKYLATION OF 7-SUBSTITUTED (DINITRO)([1,2,4]TRIAZOLO[4,3-a][1,3,5]TRIAZIN-5-YL)METHANIDES WITH ALLYL AND BENZYL BROMIDE |
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Ольга В. Головина, Андрей К. Ширяев, Владимир В. Бахарев | 587-593 |

A 1,3-DIPOLAR CYCLOADDITION OF AZOMETHINE YLIDES TO IMIDAZO[4,5-e]THIAZOLO[2,3-c][1,2,4]TRIAZINE OXINDOLYLIDENE DERIVATIVES IN THE SYNTHESIS OF NOVEL SPIROOXINDOLE DERIVATIVES |
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Алексей Н. Изместьев, Ангелина Н. Кравченко, Галина А. Газиева | 594-603 |

AN AZO COUPLING OF BERBERINE DERIVATIVES: AN EXPERIMENTAL AND QUANTUM-CHEMICAL STUDY |
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Андрей А. Попов, Ангелина Н. Дряпак, Олег Н. Буров, Михаил Е. Клецкий, Александр Д. Загребаев, Анна В. Ткачук, Сергей В. Курбатов, Анна В. Алешукина, Елена В. Голошва, Кристина Г. Маркова, Ираида С. Березинская, Татьяна И. Твердохлебова | 604-609 |

Short Communications
ONE-POT TRANSFORMATIONS OF TETRACYANOCYCLOPROPANES INTO HIGHLY FUNCTIONALIZED PYRIDINES |
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Анастасия И. Ершова, Олег Е. Насакин, Олег В. Ершов | 610-613 |

A METHOD FOR THE SYNTHESIS OF 17-PYRIMIDINYLANDROSTANE |
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Александр В. Комков, Леонид Г. Менчиков, Андрей С. Дмитренок, Игорь В. Заварзин | 614-617 |

PHOTO- AND IONOCHROMIC DIARYLETHENES CONTAINING TETRAZOLO[1,5-a]QUINOLINE RECEPTOR GROUPS IN A THIAZOLE BRIDGE AND THEIR APPLICATION IN TEST STRIPS |
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Vitaly А. Podshibyakin, Еvgenii N. Shepelenko, Irina V. Dubonosova, Olga Yu. Karlutova, Alexander D. Dubonosov | 618-622 |

Latvian Institute of Organic Synthesis - Aizkraukles iela, 21, Riga, LV-1006, Latvia - hgs@osi.lv