

2021 № 5 (647) p. 505–610
Table of Contents
Review Articles
METHODS OF SYNTHESIS OF CHROMENO[2,3-b]CHROMENES |
PDF (Russian)
![]() |
Дмитрий В. Осипов, Виталий А. Осянин | 505-511 |

2H-AZIRINES IN MEDICINAL CHEMISTRY |
PDF (Russian)
![]() |
Павел А. Сахаров, Михаил С. Новиков, Николай В. Ростовский | 512-521 |

Heterocycles in Focus
TRANSITION METAL CATALYZED C-H FUNCTIONALIZATION OF ARYLINDAZOLES: ASSEMBLY OF HIGHLY FUNCTIONALIZED HETEROCYCLES |
PDF
![]() |
Binghui Liu, Xin-Qi Hao, Mao-Ping Song | 522-524 |

RECENT ADVANCES IN DEAROMATIZATION OF BENZAZOLES, PURINES, AND CAFFEINE |
PDF
![]() |
Liliang Huang, Huangdi Feng | 525-527 |

SYNTHESIS OF FUNCTIONALIZED AZOLO(AZINO)QUINAZOLINES BY ELECTROPHILIC CYCLIZATION |
PDF (Russian)
![]() |
Николай M. Кут, Михаил Ю. Онисько | 528-530 |

Original Papers
NASCN–(NH4)2CE(NO3)6 SYSTEM IN HETEROCYCLE THIOCYANATION: SYNTHESIS OF NOVEL HIGHLY POTENT BROAD-SPECTRUM FUNGICIDES FOR CROP PROTECTION |
PDF (Russian)
![]() |
Михаил Ю. Шарипов, Игорь Б. Крылов, Иван Д. Карпов, Ольга В. Василькова, Анна-Мария В. Алексеенко, Александр О. Терентьев | 531-537 |

Bu3P-MEDIATED ACYLATION OF (E)-7-ARYLIDENE-6,7-DIHYDROINDOLIZIN-8(5H)-ONES WITH ACYL CHLORIDES |
PDF
![]() |
Sha Li, Jiaxi Tan, Xiaofang Li | 538-542 |

α-SUBSTITUTED β-MERCAPTO KETONE BASED SYNTHESIS OF 3-ALKYL-3-[(ALKYLSULFANYL)METHYL]-2-METHYL-3H-INDOLES |
PDF (Russian)
![]() |
Лариса А. Баева, Радик М. Нугуманов, Раил Р. Гатауллин, Ахнэф А. Фатыхов | 543-547 |

SILVER-ASSISTED PALLADIUM-CATALYZED ONE-POT SYNTHESIS OF 3-(HETERO)ARYLMETHYL DERIVATIVES OF IMIDAZO[1,2-a]PYRIDINES |
PDF
![]() |
Krishna C. Kasina, Siva K. Rapeti, Arghya Sadhukhan, Mahesh Ranga, Arani Pal, Saritha Birudaraju, Siva r. Tirukkovalluri | 548-553 |

CONVENIENT SYNTHESIS OF IMIDAZO[1,5-a]PYRIMIDINE DERIVATIVES AND THEIR UNUSUAL RECYCLIZATION INTO 3H-IMIDAZO[4,5-b]PYRIDINE DERIVATIVES |
PDF
![]() |
Valery S. Tolkunov, Andrew S. Tolkunov, Olga V. Smirnova, Sergei V. Tolkunov | 554-559 |

SYNTHESIS AND PHOTOPHYSICAL PROPERTIES OF 2-AZOLYL-6-PIPERIDINYLPURINES |
PDF
![]() |
Armands Sebris, Kaspars Traskovskis, Irina Novosjolova, Māris Turks | 560-567 |

THREE-COMPONENT SYNTHESIS OF 2-ACYL-2,3-DIHYDRO-4H-THIOCHROMENO[4,3-b]FURAN-4-ONES AND THEIR REDUCTIVE REARRANGEMENT INTO 4H,5H-THIOCHROMENO[4,3-b]PYRAN-5-ONES |
PDF (Russian)
![]() |
Максим Р. Демидов, Анастасия Н. Доброквашина, Дмитрий В. Осипов, Виталий А. Осянин, Юрий Н. Климочкин | 568-573 |

SYNTHESIS OF 2H-PYRANO[3,2-g]QUINOLIN-2-ONES CONTAINING A PYRIMIDINONE MOIETY AND CHARACTERIZATION OF THEIR ANTICOAGULANT ACTIVITY VIA INHIBITION OF BLOOD COAGULATION FACTORS Xa AND XIa |
PDF (Russian)
![]() |
Андрей Ю. Потапов, Борис В. Папонов, Надежда А. Подоплелова, Михаил А. Пантелеев, Михаил А. Потапов, Ирина В. Леденева, Надежда В. Столповская, Хидмет С. Шихалиев | 574-580 |

SYNTHESIS AND FUNGICIDAL ACTIVITY OF NOVEL 6H-BENZIMIDAZO[1,2-c][1,3]BENZOXAZIN-6-ONES |
PDF
![]() |
Yuhuan Tan, Zilong Tang, Caixia Ma, Yinchun Jiao | 581-587 |

4H-CHROMENES AS 1,3-BIELECTROPHILES IN THE REACTION WITH 2-AMINOBENZIMIDAZOLE: SYNTHESIS OF PYRIMIDO[1,2-a]BENZIMIDAZOLES |
PDF (Russian)
![]() |
Виталий А. Осянин, Дмитрий В. Осипов, Кирилл С. Корженко, Олег П. Демидов, Юрий Н. Климочкин | 588-593 |

SYNTHESIS OF 5-AZOLYL-2,4-DIHYDRO-3H-1,2,4-TRIAZOLE-3-THIONES AND 5-AZOLYL-1,3,4-THIADIAZOL-2-AMINES BASED ON DERIVATIVES OF 5-ARYLISOXAZOLE-3-CARBOXYLIC AND 4,5-DICHLOROISOTHIAZOLE-3-CARBOXYLIC ACIDS |
PDF (Russian)
![]() |
Сергей K. Петкевич, Нелия A. Жуковская, Евгений A. Дикусар, Екатерина A. Акишина, Петр B. Курман, Евгения B. Никитина, Владимир П. Зайцев, Владимир И. Поткин | 594-598 |

Short Communications
OXIDATIVE REARRANGEMENT OF 3-ARYL-1H-BENZO[f]CHROMENES INTO 2-AROYL-1,2-DIHYDRONAPHTHO[2,1-b]FURANS |
PDF (Russian)
![]() |
Кирилл С. Корженко, Дмитрий В. Осипов, Виталий А. Осянин, Максим Р. Демидов, Юрий Н. Климочкин | 599-601 |

SONOCHEMICAL SYNTHESIS OF 1',4'-DIALKYL-1',4',5',6'-TETRAHYDROPYRAZINO[2',3':1,9](C60-Ih)[5,6]FULLERENES |
PDF (Russian)
![]() |
Земфира С. Кинзябаева | 602-605 |

Anniversaries and dates
BORIS VENIAMINOVICH IOFFE (1921–1997) |
PDF (Russian)
![]() |
606-607 |
In memoriam
MARINA ABRAMOVNA YUROVSKAYA (1.03.1940–21.05.2021) |
PDF (Russian)
![]() |
608 |
Notices
ERRATUM 1 |
PDF (Russian)
![]() |
609 |
ERRATUM 2 |
PDF (Russian)
![]() |
610 |
Latvian Institute of Organic Synthesis - Aizkraukles iela, 21, Riga, LV-1006, Latvia - hgs@osi.lv