

2023 № 1/2 (667/668) p. 1–104
Table of Contents
Review Articles
FORMATION OF FIVE- AND SIX-MEMBERED OXYGEN-CONTAINING HETEROCYCLES ON THE BASIS OF 1-HALO-1-NITROALKENES |
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Кирилл А. Гомонов, Илья А. Пилипенко | 1-4 |

SELENIUM-CONTAINING AZOLES: SYNTHESIS AND POSSIBILITIES OF APPLICATION |
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Наиль С. Ахмадиев, Кешав Л. Амета, Внира Р. Ахметова | 5-15 |

CARBOCATION CATALYSIS IN THE SYNTHESIS OF HETEROCYCLIC COMPOUNDS |
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Геннадий И. Бородкин | 16-34 |

Heterocycles in Focus
NITROQUINOLINES IN THE SYNTHESIS OF HETEROCYCLIC COMPOUNDS |
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Илья И. Устинов, Юрий М. Атрощенко | 35-37 |

AN OVERVIEW OF THE SYNTHETIC ROUTES LEADING TO THE 1,3,4-OXADIAZOLES |
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Anjalee Madhushani Gonsal Wasam, Inese Mieriņa | 38-40 |

Original Papers
SYNTHESIS AND NEUROPROTECTIVE ACTIVITY OF A (–)-CYTISINE-ISOFLAVONE CONJUGATE |
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Li Tang, Ling-Yan Chen, Zi-Hao Jia, Hao Zheng, Zhang-Rui Li, Xiaoying Yin | 41-47 |

METHYL 3-ARYL(PYRIDYL)-5-OXOPYRROLIDINE-2-CARBOXYLATES: SYNTHESIS AND STRUCTURE |
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Наталья В. Городничева, Ольга С. Васильева, Евгений С. Остроглядов, Руслан И. Байчурин, Игорь А. Литвинов, Сергей В. Макаренко | 48-53 |

A SIMPLE METHOD FOR THE SYNTHESIS OF ISOINDOLINE DERIVATIVES |
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Виталий В. Шорохов, Данила С. Лебедев, Максим А. Бойченко, Сергей С. Жохов, Игорь В. Трушков, Ольга А. Иванова | 54-62 |

THE SYNTHESIS OF NEW 5-R-AMINOAZOLO[1,5-a]PYRIMIDIN-7-ONES FROM AN N,S-ACETAL DERIVATIVE OF MELDRUM'S ACID |
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Даниил Н. Ляпустин, Ирина В. Марусич, Диля Ф. Файзуллина, Евгений Н. Уломский, Анатолий И. Матерн, Владимир Л. Русинов | 63-72 |

STRUCTURAL CHARACTERIZATION OF PRODUCTS ARISING FROM METHYLSULFANYL GROUP OXIDATION IN PYRIMIDINE DERIVATIVES USING 13C NMR SPECTROSCOPY |
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Александр В. Комков, Михаил А. Козлов, Дарина И. Насырова, Андрей С. Дмитренок, Евгений И. Боженко, Игорь В. Заварзин | 73-79 |

TANDEM SYNTHESIS OF NOVEL THIAZOLE-SUBSTITUTED PYRROLO[1,2-d][1,2,4]TRIAZIN-4(3H)-ONE DERIVATIVES AND THEIR THEORETICAL PHARMACOKINETIC PROFILES |
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Eylem Kuzu, Burak Kuzu | 80-87 |

THE EFFECT OF ELECTRON-DONATING MOIETY STRUCTURE ON THE ELECTROCHEMICAL AND PHOTOPHYSICAL PROPERTIES OF DITHIOPHENE- AND NAPHTHO[2,1-b:3,4-b']DITHIOPHENE-SUBSTITUTED 1,3,4-OXADIAZOLES AND 1,3,4-THIADIAZOLES |
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Евгений Б. Ульянкин, Анастасия С. Костюченко, Александр С. Фисюк | 88-95 |

Short Communications
A FORMAL [4+1] CYCLOADDITION OF DIMETHOXYCARBENE TO 3-PERFLUOROACYL-4H-CHROMENES: THE SYNTHESIS OF ARENO-CONDENSED 7,7a-DIHYDRO-4H-FURO[3,4-b]PYRANS |
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Ирина А. Семенова, Дмитрий В. Осипов, Виталий А. Осянин, Павел Е. Красников, Юрий Н. Климочкин | 96-100 |

THE SYNTHESIS OF 2H-PYRIDO[3,4-c][1,2]BENZOXAZINE-2,4(3H)-DIONES FROM 6-OXO-6H-1,2-OXAZINE-3-CARBOXYLATES |
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Дмитрий С. Иванов, Эльвира Р. Зайцева, Александр Ю. Смирнов, Алексей В. Низовцев, Надежда С. Балеева, Михаил С. Баранов | 101-104 |

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