

2021 № 10 (652) p. 970–1060
Table of Contents
Review Articles
SYNTHESIS AND PROPERTIES OF HETEROCYCLE-CONTAINING PODANDS |
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Елена С. Филатова, Ольга В. Федорова, Геннадий Л. Русинов, Валерий Н. Чарушин | 971-983 |

SPIROPYRANS: MOLECULES IN MOTION |
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Анастасия С. Козленко, Артем Д. Пугачев, Илья В. Ожогин, Ислам M. иль Суфи, Борис С. Лукьянов | 984-989 |

Heterocycles in Focus
NEW METHODS FOR THE SYNTHESIS OF PYRROLO[1,2-x][1,4]DIAZEPINES AND THEIR (HET)ARENE-ANNULATED ANALOGS |
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Elena Yu. Zelina | 990-992 |

SYNTHESIS OF PYRIMIDO[1,2-a]INDOLES |
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Игорь Л. Никонов, Дмитрий С. Копчук, Григорий В. Зырянов, Владимир Л. Русинов | 993-995 |

Original Papers
NUCLEOPHILIC DEAROMATIZATION OF 3-NITROBENZOFURANS BY THE ACTION OF 2-(1-ARYLETHYLIDENE)MALONONITRILES |
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Дмитрий В. Осипов, Дарья А. Ращепкина, Алина А. Артёменко, Олег П. Демидов, Виталий А. Осянин | 996-1001 |

FEATURES OF THE REACTION OF 1-AMINO-2-NITROGUANIDINE WITH ISATINS. SYNTHESIS OF [1,2,4]TRIAZINO[5,6-b]INDOLES |
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Татьяна П. Ефимова, Мария П. Иванова, Тамара А. Новикова, Сергей В. Макаренко | 1002-1006 |

REACTIONS OF QUINOLINECARBALDEHYDES WITH ARENES UNDER SUPERELECTROPHILIC ACTIVATION. NMR AND DFT STUDIES OF DICATIONIC ELECTROPHILIC SPECIES |
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Marina А. Borisova, Dmitry S. Ryabukhin, Alexander Yu. Ivanov, Irina A. Boyarskaya, Dar’ya V. Spiridonova, Mikhail O. Kompanets, Aleksander V. Vasilyev | 1007-1016 |

SYNTHESIS OF NONSYMMETRICALLY 2,7-DISUBSTITUTED 1,3-DIAZAPYRENES, NOVEL PROMISING SUPRAMOLECULAR CHEMISTRY OBJECTS |
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Станислав В. Щербаков, Олег Н. Надеин, Виктория Ю. Щербакова, Сергей Н. Овчаров, Александр В. Аксенов | 1017-1023 |

CYCLOCONDENSATION OF 5-CHLORO-4-FORMYLPYRROLE-3-CARBOXYLATES WITH ARYLAMINES. SYNTHESIS AND FLUORESCENT PROPERTIES OF PYRROLO[2,3-b]QUINOLINE-3-CARBOXYLATES AND THEIR BENZO[f] ANALOGS |
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Алина Н. Грозав, Марьяна З. Федорив, Виталий А. Чорноус, Сергей В. Кемский, Владислав М. Полищук, Николай П. Шандура, Эдуард Б. Русанов, Михаил В. Вовк | 1024-1030 |

INTRAMOLECULAR DIELS–ALDER REACTION IN THE SYNTHESIS OF 5-ARYLISOXAZOLYLMETHYL- AND 4,5-DICHLOROISOTHIAZOLYLMETHYL-3a,6-EPOXYISOINDOL-3-ONES |
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Дмитрий Ф. Мерцалов, Лала В. Ловцевич, Евгения Р. Шелухо, Ирина А. Колесник, Сергей К. Петкевич, Владимир И. Поткин, Владимир П. Зайцев | 1031-1036 |

SYNTHESIS AND ANTICANCER ACTIVITY OF 11-AZAARTEMISININ DERIVATIVES BEARING 1,2,3-TRIAZOLE MOIETY |
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Dung Tien Nguyen, Thuong Hanh Ngo, Hien Thu Tran, Thao Phuong Dinh, Phuong Thi Do, Hau Ba Nguyen, Linh Thi Phuong Tran, Hanh My Ta | 1037-1044 |

THREE-COMPONENT CONDENSATION OF CYCLIC 1,3-DICARBONYL COMPOUNDS, N-PHENACYLPYRIDINIUM SALTS, AND ISATINS OR AROMATIC ALDEHYDES AS A METHOD FOR THE SYNTHESIS OF NOVEL CONDENSED 2-AROYL-2,3-DIHYDROFURANS |
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Дмитрий В. Осипов, Максим Р. Демидов, Виталий А. Осянин, Юрий Н. Климочкин | 1045-1050 |

Short Communications
FACILE SYNTHESIS AND SPECTRAL PROPERTIES OF NOVEL ISOMERIC NITRILE-RICH BIPYRIDINE DERIVATIVES |
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Mikhail Yu. Ievlev, Nikita S. Mayorov, Maria A. Shishlikova, Mikhail Yu. Belikov, Ivan N. Bardasov, Oleg V. Ershov | 1051-1056 |

SYNTHESIS OF THE FIRST DITHIAAZA-17-CROWN-5 ETHERS CONTAINING PIPERIDIN-4-ONE SUBUNIT |
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Thanh Van Tran Thi, Manh Linh Nguyen, Tien Dat Nguyen, The Duan Le, Hong Hieu Truong, Victor N. Khrustalev, Tuan Anh Le | 1057-1060 |

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