

2021 № 12 (654) p. 1149–1235
Table of Contents
Review Articles
SYNTHESIS OF FIVE-MEMBERED HETEROCYCLES USING [3+2] CYCLOADDITION REACTIONS OF SULFUR-CONTAINING 3,3,3-TRIFLUOROPROPENE DERIVATIVES |
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Юрий Н. Маркитанов, Вадим М. Тимошенко | 1149-1154 |

METHODS FOR THE SYNTHESIS OF 3H-PYRROLO[2,3-c]QUINOLINES |
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Роман С. Алексеев, Фейруз Н. Алиев, Владимир И. Теренин | 1155-1163 |

Heterocycles in Focus
NEW METHODS FOR THE SYNTHESIS OF SUBSTITUTED 4,5,6,7-TETRAHYDRO[1,2,3]TRIAZOLO[1,5-a]PYRAZINES |
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Мыкола А. Тупычак, Мыкола Д. Обушак | 1164-1166 |

NEW METHODS FOR THE SYNTHESIS OF PHOSPHONO-δ-LACTONES |
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Davide Ceradini, Kirill Shubin | 1167-1169 |

Original Papers
REDUCTIVE REARRANGEMENT OF 2-AROYL-2,3-DIHYDROBENZOFURANS INTO 2-HYDROXYDIHYDROCHALCONES AND FLAV-2-ENES |
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Дмитрий В. Осипов, Максим Р. Демидов, Виталий А. Осянин, Юрий Н. Климочкин | 1170-1175 |

AN EFFICIENT ONE-POT SYNTHESIS OF INDOLYL-4H-CHROMENE DERIVATIVES |
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Muralimohan Gampa, Pannala Padmaja, Seema Aravind, Pedavenkatagari Narayana Reddy | 1176-1180 |

SYNTHESIS OF 3-SUBSTITUTED TETRAHYDROINDOL-4-ONE |
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Надежда Н. Колос, Катерина И. Марченко, Наталья В. Чечина, Александр В. Буравов, Ирина В. Омельченко | 1181-1186 |

A CONVENIENT APPROACH TO THE SYNTHESIS OF 1-HALOMETHYL-SUBSTITUTED 2,4,5,6-TETRAHYDRO-1H-IMIDAZO[1,2-a][1]BENZAZEPINES |
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Иванна Ю. Данилюк, Валентина С. Толмачева, Эдуард Б. Русанов, Михаил В. Вовк | 1187-1194 |

SYNTHESIS AND PHOTOPHYSICAL EVALUATION OF meso-PHENYL-1,4-DIHYDROPYRIDINE AND PYRIDINE-PORPHYRIN HYBRIDS |
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Lais Danciguer Guanaes, Matheus Murmel Guimarães, Diogo R. B. Ducatti, Maria Eugênia R. Duarte, Sandra M. W. Barreira, Miguel D. Noseda, Alan Guilherme Gonçalves | 1195-1203 |

[3+2] ANNULATION OF 2-SUBSTITUTED 3-NITRO-2H-CHROMENES WITH MERCAPTOACETALDEHYDE: STEREOSELECTIVE SYNTHESIS OF TETRAHYDRO-4H-THIENO[3,2-c]CHROMEN-3-OLS |
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Алексей Ю. Барков, Иван А. Кочнев, Никита С. Симонов, Игорь Б. Кутяшев, Николай С. Зимницкий, Владислав Ю. Коротаев, Вячеслав Я. Сосновских | 1204-1211 |

SYNTHESIS AND PHOTOPHYSICAL PROPERTIES OF THE PRODUCTS OF THE REACTION OF 5-METHYL-7-PHENYL[1,3]OXAZOLO[5,4-b]PYRIDIN-2(1H)-ONE WITH AMINO ACIDS |
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Антон Л. Шацаускас, Юрий А. Заблоцкий, Сергей А. Черненко, Татьяна Ю. Железнова, Владислав Ю. Шувалов, Анастасия С. Костюченко, Александр С. Фисюк | 1212-1219 |

SYNTHESIS AND BIOLOGICAL EVALUATION OF NOVEL THIAZOLO[4,5-d]PYRIMIDIN-7(6H)-ONES AS TOPOISOMERASE I INHIBITORS |
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Laichun Luo, Qiang Wang, Yuanhang Xiang, Xiaozhi Peng, Chunling Hu | 1220-1229 |

Short Communications
REGIOSELECTIVE [3+2] CYCLOADDITION OF NITRILE OXIDES TO 1Н-PYRROLE-2,3-DIONES: SYNTHESIS OF SPIRO[PYRROLEDIOXAZOLES] |
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Анна А. Мороз, Максим В. Дмитриев, Андрей Н. Масливец | 1230-1234 |

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