In memory of Professor Rolf Huisgen (1920-2020) ANNIVERSARIES AND DATES 26 June 2021 Pages: 611 - 612
Professor, Doctor of Sciences in Chemistry Alexander Viktorovich Aksenov To the 55th birthday ANNIVERSARIES AND DATES 26 June 2021 Pages: 613 - 614
Methods for the Preparation of 3-Nitrobenzofurans Vitaly А. OsyaninDmitry V. OsipovYuri N. Klimochkin REVIEW 26 June 2021 Pages: 615 - 623
Formation of five- and six-membered nitrogen-containing heterocycles on the basis of hydrazones derived from α-dicarbonyl compounds (microreview) Vasilii V. PelipkoKirill A. Gomonov OriginalPaper 26 June 2021 Pages: 624 - 626
Synthesis of isoxazolo[5,4-b]pyridine derivatives (microreview) Ludmila V. DyadyuchenkoVictor V. Dotsenko OriginalPaper 26 June 2021 Pages: 627 - 629
Ring-closure reactions of functionalized vinyl sulfonamides (microreview) Alexey V. DodrydnevTaras V. Omelian OriginalPaper 26 June 2021 Pages: 630 - 632
Palladium-catalyzed amino group arylation of 1,3-disubstituted 1H-pyrazol-5-amine based on Buchwald–Hartwig reaction Mateusz KucharekAndrzej Danel OriginalPaper 26 June 2021 Pages: 633 - 639
Highly functionalized pyrazolines from symmetric and asymmetric 1,2-disulfonylhydrazines: a combination of experimental and DFT perspectives Nasimeh SafariGholamhassan ImanzadehZahra Soltanzadeh OriginalPaper 26 June 2021 Pages: 640 - 645
Synthesis of 1,3-dialkyl-4-[(arylmethylidene)amino]glycolurils Sergei А. SerkovMarina А. Es’kovaGalina А. Gazieva OriginalPaper 28 June 2021 Pages: 646 - 655
Synthesis and transformations of 4-phenylethynyl- and 4-styrylpyrazolo[5,1-c][1,2,4]triazines Sergey M. IvanovDenis S. Koltun OriginalPaper 26 June 2021 Pages: 656 - 665
Addition reaction of various azoles to perfluoromethyl vinyl ether Kirill I. PetkoAndrey A. Filatov OriginalPaper 26 June 2021 Pages: 666 - 671
Electrocatalytic cascade approach to the synthesis of dihydro-2'H,3H-spiro[1-benzofuran-2,5'-pyrimidines] Fedor V. RyzhkovMichail N. ElinsonMikhail P. Egorov OriginalPaper 26 June 2021 Pages: 672 - 678
Two approaches toward the regio- and stereoselective synthesis of N-unsubstituted 3-aryl-4-(trifluoromethyl)-4H-spiro-[chromeno[3,4-c]pyrrolidine-1,3'-oxindoles] Vladislav Yu. KorotaevSavelii V. BarkovskiiVyacheslav Ya. Sosnovskikh OriginalPaper 26 June 2021 Pages: 679 - 690
Oxa-[3+3] annulation of 1H-benzo[f]chromene-2-carbaldehydes and 2-naphthols: synthesis of 7aH,15H-benzo[f]benzo[5,6]chromeno[2,3-b]chromenes Irina А. SemenovaVitaly А. OsyaninYuri N. Klimochkin SHORT COMMUNICATIONS 26 June 2021 Pages: 691 - 694
Synthesis of spiro[imidazole-4,3'-quinolin]ones from [2-(dimethylamino)benzylidene]-2-(methylsulfanyl)imidazolones Elvira R. ZaitsevaAlexander Yu. SmirnovMikhail S. Baranov OriginalPaper 26 June 2021 Pages: 695 - 699
Selective synthesis of a novel glycoluril-based hybrid compound with high application potential Elena А. MamaevaAnastasiya V. LeppaAbdigali А. Bakibayev OriginalPaper 26 June 2021 Pages: 700 - 703
Synthesis via the Mannich Reaction and Biological Activity of Novel Fluorinated Camptothecin Derivatives Chuanhao WangYuan WangYuelin Wu OriginalPaper 26 June 2021 Pages: 704 - 708