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Towards New Imidazole-2-Thione-Based Organocatalysts; Sulfur Transfer Vs. Deoxygenation in the Reaction of Imidazole N-Oxides and Cycloaliphatic Thioketones


Rygielska-Tokarska, Dorota; Jasinski, Marcin; Mloston, Grzegorz; Heimgartner, Heinz (2013). Towards New Imidazole-2-Thione-Based Organocatalysts; Sulfur Transfer Vs. Deoxygenation in the Reaction of Imidazole N-Oxides and Cycloaliphatic Thioketones. Phosphorus, Sulfur and Silicon and the Related Elements, 188:469-472.

Abstract

Sulfuration or deoxygenation? Competitive transformations of the title imidazole N-oxides into respective masked thiourea analogues or into the parent heterocycle in the reaction with 2,2,4,4-tetramethylcyclobutane-1,3-dithione are presented. The influence of an electron-withdrawing substituents in combination with the steric hindrance of neighbouring groups onto reaction outcome is discussed.

Abstract

Sulfuration or deoxygenation? Competitive transformations of the title imidazole N-oxides into respective masked thiourea analogues or into the parent heterocycle in the reaction with 2,2,4,4-tetramethylcyclobutane-1,3-dithione are presented. The influence of an electron-withdrawing substituents in combination with the steric hindrance of neighbouring groups onto reaction outcome is discussed.

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Additional indexing

Item Type:Journal Article, not_refereed, further contribution
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2013
Deposited On:06 Jun 2013 07:06
Last Modified:16 Feb 2018 17:48
Publisher:Taylor & Francis
ISSN:1026-7719
Additional Information:This is an Author's Accepted Manuscript of an article published in Phosphorus, Sulfur and Silicon and the Related Elements 2013 [copyright Taylor & Francis], available online at: http://www.tandfonline.com/10.1080/10426507.2012.743148
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1080/10426507.2012.743148

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