

2022 № 12 (666) p. 661–768
Table of Contents
Review Articles
DI-, TETRA-, AND PERHYDROPYRROLO[1,2-a]IMIDAZOLES: THE METHODS OF SYNTHESIS AND SOME ASPECTS OF APPLICATION |
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Леся М. Салиева, Ирина В. Дяченко, Иванна Ю. Данылюк, Мыхайло В. Вовк | 661-680 |

Heterocycles in Focus
SYNTHESIS OF 6-(ARYLDIAZENYL)-4Н-CHROMENE DERIVATIVES |
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Виктор В. Доценко, Екатерина А. Варзиева | 681-683 |

MODERN METHODS FOR THE SYNTHESIS OF INDOLO[2,3-b]QUINOXALINES |
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Гусейн А. о. Садыхов, Егор B. Вербицкий | 684-686 |

Original Papers
SYNTHESIS OF 6-STYRYLDIHYDROPYRIMIDINONES AND 6-STYRYLDIHYDROPYRIDINONES VIA THE RESPECTIVE 6-ALKYLPHOSPHONATES |
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Rufus Smits, Sergey Belyakov, Marina Petrova, Vladislav Kozhich, Ruslan Muhamadejev | 687-694 |

A GENERAL APPROACH TO 4-UNSUBSTITUTED AND 4-ALKYL-SUBSTITUTED 5-ACYL-1,2,3,4-TETRAHYDROPYRIMIDINE-2-THIONES(ONES) VIA α-(THIO)UREIDOALKYLATION OF 1,3-DIKETONES OR β-OXOESTERS |
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Anatoly D. Shutalev, Anastasia A. Fesenko, Elena D. Strel'tsova | 695-711 |

SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF NEW SPIROPYRAN CONTAINING CONJUGATED VINYL-3Н-INDOLIUM MOIETY AND ITS HYDROLYSIS PRODUCT |
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Анастасия С. Козленко, Артем Д. Пугачев, Илья В. Ожогин, Валерий В. Ткачев, Владислав В. Быкусов, Наталья В. Станкевич, Сергей М. Алдошин, Владимир И. Минкин, Борис С. Лукьянов | 712-720 |

A NOVEL AND SIMPLE SYNTHESIS OF ETHERS OF HYDROXYPYRIDINES WITH HEXAFLUOROPROPAN-2-OL VIA DIAZOTIZATION OF AMINOPYRIDINES AND AMINOQUINOLINES UNDER ACID-FREE CONDITIONS |
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Victor D. Filimonov, Aldar N. Sanzhiev, Roman O. Gulyaev, Elena A. Krasnokutskaya, Alexander A. Bondarev | 721-726 |

SYNTHESIS OF 6,7-DIHYDRO-5H-BENZO[c]-1,2,4-TRIAZOLO[3,4-a]AZEPINES AND 6,7-DIHYDRO-5H-BENZO[c]TETRAZOLO[5,1-a]AZEPINES |
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Владимир А. Глушков, Ксения А. Мошева, Марк М. Зайцев, Вера С. Пелых, Валерия И. Карасик, Александр И. Андреев, Максим В. Дмитриев | 727-731 |

INTRAMOLECULAR FRIEDEL‒CRAFTS ALKYLATION BY ELECTROCHEMICAL CARBENIUM ION GENERATION |
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Anna Lielpētere, Artūrs Šilaks, Aigars Jirgensons | 732-736 |

SYNTHESIS AND SAR OF PHENYLAZOLES, ACTIVE AGAINST STAPHYLOCOCCUS AUREUS NEWMAN |
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Vitalii V. Solomin, Blanca Fernandez Ciruelos, Nadya Velikova, Jerry Wells, Marco Albanese, Anmol Adhav, Aigars Jirgensons | 737-748 |

SYNTHESIS OF NOVEL γ-BUTYROLACTONE-BASED PHENAZINE COMPOUNDS VIA MICROWAVE-ASSISTED MULTICOMPONENT DOMINO REACTIONS |
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Ha-Thanh Nguyen, Phuong Hoang Thi, Giang Le-Nhat-Thuy, Quynh Giang Nguyen Thi, Tuan Anh Nguyen, Tuyet Anh Dang Thi, Tuyen Van Nguyen | 749-755 |

IMIDAZOL-5-ONE-BASED DONOR–ACCEPTOR CYCLOPROPANES IN REACTION WITH C=S DIPOLAROPHILES |
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Semen E. Nikolaev, Anatolii I. Sokolov, Andrey A. Mikhaylov, Alexander A. Korlyukov, Nadezhda S. Baleeva, Mikhail S. Baranov, Ivan N. Myasnyanko | 756-763 |

Short Communications
SYNTHESIS OF C3h-SYMMETRIC BENZOTRIPYRROLE DERIVATIVES AS MONOMERS FOR ORGANIC FRAMEWORKS |
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Marija Ivanova, Kirill Shubin, Andrei Baran | 764-768 |

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