Unexpected reductive transformation of 1-substituted 5-hydroxy-4,5-diphenyl-1H-imidazol-2(5H)-ones and their cyclic analogs by the reaction with thiourea and hydrochloric acid

An unexpected reductive transformation of 1-substituted 5-hydroxy-4,5-diphenyl-1H-imidazol-2(5H)-ones (imidazolones) and their cyclic analogs to give 1-substituted 4,5-diphenyl-1H-imidazol-2(5H)-ones (imidazolinones) upon reaction with thiourea and hydrochloric acid was discovered. © 2017 Elsevier Ltd

Authors
Baranov V.V. 1, 2 , Antonova M.M.1 , Karnoukhova V.A.3 , Kravchenko A.N.1
Journal
Tetrahedron Letters
Publisher
Elsevier Ltd
Number of issue
23
Language
English
Pages
2203-2205
Status
Published
Link
External link
DOI
10.1016/j.tetlet.2017.04.061
Volume
58
Year
2017
Organizations
  • 1 N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., Moscow, 119991, Russian Federation
  • 2 Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya St., Moscow, 117198, Russian Federation
  • 3 A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova St., Moscow, 119991, Russian Federation
Keywords
Heterocycles; Imidazolinones; Imidazolones; Reductive transformation; Thiourea
Date of creation
19.10.2018
Date of change
19.10.2018
Short link
https://repository.rudn.ru/en/records/article/record/6063/
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UNUSUAL THERMOLYSIS OF AZACYCLIC ALLENE UNDER MICROWAVE CONDITIONS: CRYSTAL STRUCTURE OF (3 RS,3A SR,8 RS,8A RS)-METHYL 5,6-DIMETHOXY-3A,10-DIMETHYL-1-PHENYL-3,3A,8,8A-TETRAHYDRO-3,8-(EPIMINOMETHANO)CYCLOPENTA[ A ]INDENE-2-CARBOXYLATE FROM SYNCHROTRON X-RAY DIFFRACTION

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Anh L.T., Titov A.A., Kobzev M.S., Voskressensky L.G., Varlamov A.V., Dorovatovskii P.V., Khrustalev V.N.
Acta Crystallographica Section E: Crystallographic Communications. International Union of Crystallography. Vol. 73. 2017. P. 1770-1773