

2021 № 7/8 (649/650) p. 709–874
Table of Contents
Review Articles
MULTICOMPONENT REACTIONS BASED ON in situ GENERATED ISOCYANIDES FOR THE CONSTRUCTION OF HETEROCYCLES |
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Subrahmanya I. Bhat, Madhuprasad Kigga, Majid M. Heravi | 709-719 |

3-NITRO-1,2,4-TRIAZOL-5-ONE (NTO): HIGH EXPLOSIVE INSENSITIVE ENERGETIC MATERIAL |
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Ruksana R. Sirach, Pragnesh N. Dave | 720-730 |

Heterocycles in Focus
SYNTHETIC APPLICATION OF OXIRANECARBONITRILES |
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Chuangchuang Xu, Jiaxi Xu | 731-733 |

COUMARIN SYNTHESIS via PECHMANN CONDENSATION: TOWARD A GREENER ERA |
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Guilherme Arraché Gonçalves, Vera L. Eifler-Lima | 734-736 |

BORON-SUBSTITUTED 1,2,3-TRIAZOLES |
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Nazariy T. Pokhodylo, Khrystyna Y. Pitkovych | 737-739 |

APPROACHES TO SYNTHESIS AND CHEMICAL MODIFICATION OF ISORHODANINE AND ITS DERIVATIVES |
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Тарас И. Чабан, Василий С. Матийчук | 740-742 |

Original Papers
ACENAPHTHENEQUINONE-BASED STABILIZED AZOMETHINE YLIDES IN (3+2) CYCLOADDITION REACTIONS WITH 1,5-DIARYLPENT-4-ENE-1,3-DIONES |
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Николай С. Зимницкий, Алексей Ю. Барков, Игорь Б. Кутяшев, Владислав Ю. Коротаев, Вячеслав Я. Сосновских | 743-750 |

REGIO- AND STEREOSELECTIVE 1,3-DIPOLAR CYCLOADDITION OF AZOMETHINE YLIDES BASED ON ISATINS AND (THIA)PROLINE TO 3-NITRO-2-(TRIFLUORO(TRICHLORO)METHYL)-2H-CHROMENES: SYNTHESIS AND CYTOTOXIC ACTIVITY OF 6'-(TRIHALOMETHYL)SPIRO[CHROMENO(THIA)PYRROLIZIDINE-11,3'-INDOLIN]-2'-ONES |
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Игорь Б. Кутяшев, Мария В. Улитко, Алексей Ю. Барков, Николай С. Зимницкий, Владислав Ю. Коротаев, Вячеслав Я. Сосновских | 751-763 |

NOVEL APPROACH TO THE SYNTHESIS OF 3-AMINO-4-ARYLPYRIDIN-2(1H)-ONE DERIVATIVES |
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Владислав Ю. Шувалов, Сергей А. Черненко, Антон Л. Шацаускас, Анна Л. Самсоненко, Максим В. Дмитриев, Александр С. Фисюк | 764-771 |

SYNTHESIS OF NEW 5-HYDROXYQUINAZOLINE DERIVATIVES FROM FUNCTIONALIZED 5-ACETYL-6-METHYLPYRIMIDINES |
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Александр В. Комков, Михаил А. Козлов, Юрий А. Линицкий, Леонид С. Васильев, Андрей С. Дмитренок, Игорь В. Заварзин | 772-786 |

SYNTHESIS OF NEW PYRIDO[2,3-d]PYRIMIDIN-5-ONE, PYRIDO[2,3-d]PYRIMIDIN-7-ONE, AND PYRIMIDINO[4,5-d][1,3]OXAZINE DERIVATIVES FROM 5-ACETYL-4-AMINOPYRIMIDINES |
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Alexander V. Komkov, Mikhail A. Kozlov, Andrey S. Dmitrenok, Nataliya G. Kolotyrkina, Mikhail E. Minyaev, Igor V. Zavarzin | 787-798 |

NEW HETEROBIMETALLIC RUTHENIUM(II) COMPLEX WITH IMIDAZO[4,5-f][1,10]PHENANTHROLINE-BASED LIGAND: SYNTHESIS, OPTICAL AND ELECTROCHEMICAL PROPERTIES |
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Sergey D. Tokarev, Anatoly Botezatu, Yuri V. Fedorov, Olga A. Fedorova | 799-805 |

ONE-POT SYNTHESIS OF 1,5-BENZODIAZEPINE-2,3-DICARBOXYLATES via THREE-COMPONENT DOMINO REACTIONS IN THE PRESENCE OF γ-Fe2O3@SiO2/Ce(OTf)3 |
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Xiaoying An, Lei Gao, Mingliang Wang, Haitao Wu, Lanzhi Wang | 806-816 |

OXIDATIVE CYCLIZATION OF 5-ARYL-1-BENZYL-1,2,3-TRIAZOLES BEARING ELECTRON-RICH AROMATIC GROUPS: ortho/ortho AND ortho/ipso COUPLING |
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Maksim A. Boichenko, Konstantin V. Anisovich, Mastaneh S. Shad, Sergey S. Zhokhov, Victor B. Rybakov, Wim Dehaen, Igor V. Trushkov, Olga A. Ivanova | 817-822 |

SYNTHESIS OF NOVEL ISOXAZOLE DERIVATIVES BEARING KOJIC ACID MOIETY AND EVALUATION OF THEIR ANTIMICROBIAL ACTIVITY |
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Sona Khodabandlou, Mahnaz Saraei | 823-827 |

SYNTHESIS OF 3(5)-ARYL-5(3)-PYRAZOLYL-1,2,4-OXADIAZOLE NITRO DERIVATIVES |
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Татьяна К. Шкинева, Ирина А. Вацадзе, Тигран Э. Хоранян, Димитрий Л. Липилин, Алла Н. Пивкина, Игорь Л. Далингер | 828-836 |

BROMINATION OF 3,4-DIHYDRO-2H-THIOPYRAN DERIVATIVES |
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Екатерина А. Меркулова, Алексей В. Колобов, Константин Л. Овчинников, Ольга A. Беляева, Владимир В. Плахтинский, Валентин Г. Ненайденко | 837-840 |

4-(N-BOC-AMINO)-1Н-1,2,3-TRIAZOLECARBOTHIOAMIDES IN THE SYNTHESIS OF A NEW HETEROCYCLIC [1,2,3]TRIAZOLO[4,5-e][1,4]THIAZEPINE SYSTEM |
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Наталия A. Сирота, Сергей B. Кемский, Андрей B. Больбут, Игорь И. Чернобаев, Александр C. Лявинец, Михаил B. Вовк | 841-847 |

SELENOPHENOCHROMONES SELECTIVELY INHIBIT HUMAN LUNG CARCINOMA CELLS GROWTH |
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Jelena Vasiljeva, Ilona Domracheva, Pavel Arsenyan | 848-856 |

Short Communications
SYNTHESIS OF SUBSTITUTED 2,5-DIHYDRO-2,2'-BIFURANS |
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Данил К. Вшивков, Людмила Н. Сороцкая, Антон А. Меркушев, Максим Г. Учускин | 857-860 |

MODIFIED SYNTHESIS AND STRUCTURAL FEATURES OF 2-BENZYLIDENE-4-NITRO-2,5-DIHYDROTHIOPHENE 1,1-DIOXIDES |
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Игорь И. Савельев, Ирина Е. Ефремова, Лидия В. Лапшина, Владислав В. Гуржий, Александр В. Беляков | 861-865 |

SYNTHESIS OF AZIDOPROPARGYLAMINO-SUBSTITUTED 1,3,5-TRIAZINES – NOVEL MONOMERS FOR THE PRODUCTION OF ENERGETIC POLYMERS |
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Алексей B. Шастин, Артем O. Петров, Георгий B. Малков, Татьяна H. Гавришова | 866-870 |

SYNTHESIS AND STRUCTURAL CHARACTERIZATIONOF N,N',N'',N'''-TETRASUBSTITUTED CYCLAMS |
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Luis G. Alves, Rui F. Munhá, Ana M. Martins | 871-874 |

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