

2020 No.8 (638) pp. 973–1108
Table of Contents
Heterocycles in Focus
RECENT SYNTHETIC APPROACHES TO 1H- AND 2H-INDAZOLES |
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Gaurav S. Rai, Jayesh J. Maru | 973-975 |

SYNTHESIS OF 1,8-NAPHTHYRIDINES: A RECENT UPDATE |
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Mahesh R. Kulkarni, Nitin D. Gaikwad | 976-978 |

SYNTHESIS AND STABILITY OF THERMALLY LABILE 1,2-OXAPHOSPHETANE 2-OXIDES AND 1,2-THIAPHOSPHETANE 2-SULFIDES |
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Jiaxi Xu | 979-981 |

Original Papers
SYNTHESIS OF С(3)–С(8) ELEUTHESIDE BLOCKS FROM LEVOGLUCOSENONE |
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Булат Т. Шарипов, Анна Н. Давыдова, Фарид А. Валеев | 982-989 |

REACTIONS OF PERFLUOROACYLCHROMENES WITH AROMATIC AMINES: SYNTHESIS OF PERFLUOROALKYLCHROMENE CARBALDEHYDES |
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Дмитрий В. Осипов, Ирина В. Мельникова, Кирилл С. Корженко, Виталий А. Осянин, Юрий Н. Климочкин | 990-996 |

ENANTIOSELECTIVE SYNTHESIS OF 4,5-DISUBSTITUTED PYRROLIDIN-2-ONE DERIVATIVES WITH TWO STEREOCENTERS ON THE BASIS OF MICHAEL ADDUCTS |
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Natalija Orlova, Maxim Vorona, Vladislavs Baskevics, Marina Petrova, Sergey Belyakov, Helena Kazoka, Ruslan Muhamadejev, Grigory Veinberg | 997-1009 |

STUDY OF THE METHYLATION REACTION OF 2,4-DINITROIMIDAZOLE AND POTASSIUM 2,4,5-TRINITROIMIDAZOL-1-IDE WITH DIMETHYL SULFATE |
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Peng-Bao Lian, Yuan Yuan, Jian Chen, Li-Zhen Chen, Jian-Long Wang | 1010-1014 |

FORMATION OF 1,2,4-TRIAZOLE DERIVATIVES BY OXIDATION OF 4-PHENYL-1-PIVALOYLSEMICARBAZIDE |
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Борис А. Гостевский, Александр И. Албанов, Александр В. Ващенко, Наталья Ф. Лазарева | 1015-1020 |

3-HETARYLISOCOUMARINS IN THE SYNTHESIS OF 1-FUNCTIONALIZED 3-HETARYLISOQUINOLINES |
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Artem S. Konovalenko, Oleh V. Shablykin, Volodymyr S. Brovarets, Olga V. Shablykina, Viktoriia S. Moskvina, Andriy V. Kozytskiy | 1021-1029 |

NOVEL SYNTHETIC APPROACH TO PYRROLO[1,2-b]CINNOLINES |
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Anastasia T. Plieva, Petrakis N. Chalikidi, Andrey V. Gutnov, Anatolij M. Turiev, Oleg P. Demidov, Nicolai A. Aksenov, Taimuraz T. Magkoev, Vladimir T. Abaev | 1030-1041 |

SYNTHESIS OF 3-AND 2,3-SUBSTITUTED PYRAZOLO[1,5-a][1,10]PHENANTHROLINES |
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Виктория А. Санникова, Игорь Р. Филиппов, Олег Ю. Кармацких, Михаил А. Панфилов, Родион В. Андреев, Алексей Ю. Воробьев | 1042-1047 |

AN EFFICIENT METHOD FOR ACCESSING CARBOANNULATED AND FUNCTIONALIZED [1,2,3]TRIAZOLO[4,5-b]PYRIDINES |
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Наталия A. Сирота, Сергей B. Кемский, Андрей В. Больбут, Игорь И. Чернобаев, Михаил В. Вовк | 1048-1053 |

NOVEL VARIANTS OF THE MULTICOMPONENT REACTION FOR THE SYNTHESIS OF 1,2,4-TRIAZOLO[1,5-а]PYRIMIDINES AND PYRIDO[3,4-е][1,2,4]TRIAZOLO[1,5-а]PYRIMIDINES |
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Владимир А. Поликарчук, Юлия В. Чертова, Андрей Ю. Потапов, Ирина В. Леденёва, Евгения А. Кошелева, Михаил Ю. Крысин, Олег А. Козадёров, Геннадий В. Шаталов, Дмитрий Ю. Вандышев, Хидмет С. Шихалиев, Четти Прабхакар | 1054-1061 |

SYNTHESIS OF 2',3',4'-TRIARYL-5,6-DIHYDRO-8H-SPIRO[INDOLIZINE-7,5'-ISOXAZOLIDIN]-8-ONES VIA 1,3-DIPOLAR CYCLOADDITION REACTION INVOLVING (Z)-C-ARYL-N-PHENYLNITRONES |
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Youfeng Li, Jin Tang, Xiaofang Li | 1062-1066 |

PREPARATION OF 1,3,4-OXADIAZOLES AND 1,3,4-THIADIAZOLES VIA CHEMOSELECTIVE СYCLOCONDENSATION OF ELECTROPHILICALLY ACTIVATED NITROALKANES TO (THIO)SEMICARBAZIDES OR THIOHYDRAZIDES |
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Nicolai A. Aksenov, Nikolai A. Arutiunov, Nikita K. Kirillov, Dmitrii A. Aksenov, Alexander V. Aksenov, Michael Rubin | 1067-1072 |

SYNTHESIS OF IMIDAZO[2,1-b][1,3]THIAZOLES – POTENTIAL ANTICANCER AGENTS DERIVED FROM γ-BROMODIPNONES |
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Людмила М. Потиха, Владимир С. Броварец | 1073-1077 |

3-AMINO(AZIDO)-4,6-ARYL(HETARYL)THIENO[2,3-b]PYRIDINES AND BENZO(FURO,THIENO)[c]THIENO[2,3,4-i,j]-2,7-NAPHTHYRIDINES ON THEIR BASIS: SYNTHESIS, SPECTRAL PROPERTIES, AND PREDICTION OF BIOLOGICAL ACTIVITY |
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Владимир K. Василин, Евгения A. Канищева, Татьяна C. Строганова, Виталий A. Волынкин, Анжелика B. Гижинская, Павел M. Васильев, Геннадий Д. Крапивин | 1078-1091 |

Short Communications
IMIDAZOLONE-ACTIVATED DONOR-ACCEPTOR CYCLOPROPANES WITH A PERIPHERAL STEREOCENTER. A STUDY ON STEREOSELECTIVITY OF CYCLOADDITION WITH ALDEHYDES |
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Андрей А. Михайлов, Павел Н. Сольев, Андрей В. Кулешов, Вадим С. Кублицкий, Александр А. Корлюков, Владислав А. Лушпа, Михаил С. Баранов | 1092-1096 |

SYNTHESIS OF 5-(AMINOMETHYLIDENE)IMIDAZOL-4-ONES BY USING N,N-DIALKYLFORMAMIDE ACETALS |
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Эльвира Р. Зайцева, Александр Ю. Смирнов, Игорь А. Иванов, Константин С. Минеев, Михаил С. Баранов | 1097-1099 |

NUCLEOPHILIC SUBSTITUTION OF THE NITRO GROUP IN 1-SUBSTITUTED 3-NITRO-1H-1,2,4-TRIAZOLES IN ETHANOLIC POTASSIUM HYDROXIDE |
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Ани Г. Асратян, Астхик А. Сукоян, Алексан Г. Шахатуни, Геворг Г. Данагулян, Оганес С. Аттарян | 1100-1102 |

3-AMINO-4-(1-AMINO-2-CYANOVINYL)FURAZANS: SYNTHESIS AND CYCLIZATION |
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Кирилл В. Стриженко, Леонид С. Васильев, Кирилл Ю. Супоницкий, Алексей Б. Шереметев | 1103-1107 |

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