

2020 № 11 (641) p. 1375–1490
Table of Contents
Review Articles
HETEROCYCLIZATIONS BASED ON γ-HALO-α,β-UNSATURATED KETONES |
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Людмила М. Потиха, Владимир А. Ковтуненко | 1375-1393 |

IMIDAZOTHIAZOLES AND THEIR HYDROGENATED ANALOGS: METHODS OF SYNTHESIS AND BIOMEDICAL POTENTIAL |
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Леся Н. Салиева, Ирина В. Дяченко, Руслан И. Васькевич, Наталия Ю. Сливка, Михаил В. Вовк | 1394-1407 |

Heterocycles in Focus
[3-(DIMETHYLAMINO)-2-(TRIFLUOROMETHYL)PROP-2-EN-1-YLIDENE]DIMETHYLAZANIUM HEXAFLUOROPHOSPHATE – EFFICIENT REAGENT FOR THE FORMATION OF TRIFLUOROMETHYL-SUBSTITUTED AZAHETEROCYCLES |
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Andrey P. Mityuk, Sergey V. Ryabukhin | 1408-1410 |

SYNTHESIS OF α-SPIROCYCLIC PYRROLIDINES |
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Kostiantyn P. Melnykov, Sergey V. Ryabukhin | 1411-1413 |

MICROWAVE-ASSISTED SYNTHESIS OF PYRAZOLO[3,4-b]PYRIDINE DERIVATIVES |
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Людмила В. Дядюченко, Ирина Г. Дмитриева | 1414-1416 |

Original Papers
CYCLOPROPANATION OF ARENO-CONDENSED 4H-PYRANS WITH DIHALOCARBENES |
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Ирина А. Семенова, Виталий А. Осянин, Максим Р. Демидов, Дмитрий В. Осипов, Юрий Н. Климочкин | 1417-1422 |

REGIO- AND DIASTEREOSELECTIVE SYNTHESIS OF N-SUBSTITUTED 2-ACYL-3-ARYL-3,5-DIHYDROFURO[3,2-c]PYRIDIN-4(2H)-ONES |
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Евгений А. Кветкин, Дмитрий В. Осипов, Павел Е. Красников, Виталий А. Осянин, Юрий Н. Климочкин | 1423-1428 |

SYNTHESIS OF CHIRAL SPIRODIAZAFLUORENES |
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Юлия П. Устименко, Евгений C. Васильев, Сергей Н. Бизяев, Татьяна В. Рыбалова, Алексей В. Ткачёв | 1429-1433 |

MICHAEL ADDUCTS OF LEVOGLUCOSENONE WITH α-ETHOXYCARBONYL- AND α-NITROCYCLODODECANONES: TRANSFORMATION INTO CHIRAL MACROLIDES |
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Лилия Х. Файзуллина, Юлия С. Галимова, Шамиль М. Салихов, Фарид А. Валеев | 1434-1439 |

SYNTHESIS AND TRANSFORMATIONS OF N-BUTYL-3(5)-NITRO-1,2,4-TRIAZOLES UNDER THE CONDITIONS OF ACID-CATALYZED ALKYLATION OF 3(5)-NITRO-1H-1,2,4-TRIAZOLES WITH BUTYL ALCOHOLS |
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Геннадий Т. Суханов, Ирина А. Крупнова, Юлия В. Филиппова, Юрий В. Гатилов, Анна Г. Суханова, Константин К. Босов, Екатерина В. Пивоварова | 1440-1448 |

IMPROVED SYNTHESIS AND THERMOCHEMICAL PROPERTIES OF AMINO- AND HYDRAZINO-1,2,4,5-TETRAZINES |
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Татьяна С. Конькова, Юрий Н. Матюшин, Евгений А. Мирошниченко, Надежда В. Палысаева, Алексей Б. Шереметев | 1449-1453 |

A NOVEL METHOD FOR THE SYNTHESIS OF PYRIDO[1,2-b][2]BENZAZEPINES ON THE BASIS OF 2-(BROMOMETHYL)BENZOPHENONES AND 2-(BROMOMETHYL)BENZALDEHYDE |
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Людмила М. Потиха, Владимир В. Сыпченко, Владимир А. Ковтуненко | 1454-1459 |

SYNTHESIS OF NEW ANTINEOPLASTIC AGENTS BASED ON IMIDAZO[2,1-a]PYRIDINE |
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Людмила М. Потиха, Владимир С. Броварец | 1460-1464 |

6-NITRO-4,7-DIHYDROAZOLO[1,5-a]PYRIMIDINES: AN ALTERNATIVE MECHANISM OF FORMATION AND STUDIES OF ALKYLATION |
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Даниил Н. Ляпустин, Евгений Н. Уломский, Владимир Л. Русинов | 1465-1472 |

SYNTHESIS OF NOVEL TETRAHYDROPYRIMIDO[4,5-b][1,6]NAPHTHYRIDINES VIA CONDENSATION OF 1-BENZYL-3,5-BIS[(E)-ARYLMETHYLIDENE]TETRAHYDROPYRIDIN-4(1H)-ONES WITH 6-AMINOURACILS |
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Mehdi Ghandi, Rasoul Rashid, Alireza Abbasi | 1473-1476 |

SYNTHESIS OF ISOXAZOLYLVINYL KETONES FROM SUBSTITUTED FURANS |
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Olga V. Serdyuk, Frank Hampel, Vladimir T. Abaev | 1477-1484 |

SPIRO DERIVATIVES OF 1,10b-DIHYDRO-5H-PYRAZOLO[1,5-c][1,3]BENZOXAZINES AND THEIR ANTIMICROBIAL, ANTI-INFLAMMATORY, AND ANTIOXIDANT ACTIVITY |
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Лидия З. Мандзюк, Василий С. Матийчук, Тарас И. Чабан, Олеся В. Боднарчук, Юлия Э. Матийчук, Мыкола Д. Обушак | 1485-1490 |

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