Abstract
Synthesis of complex di(selenophen-3-yl)diselenides and 3-methylene-3H-1,2-diselenoles directly from 1-bromobutadiynes is described. The transformation is performed under conditions used before for the synthesis of simple selenophenes from butadiynes. The reaction is operationally straightforward, and complex products were obtained in high yields. Structures of the final products were unambiguously confirmed by the means of 77Se NMR and single-crystal X-ray diffraction.
Highlights
The transformation is performed under conditions used before for the synthesis of simple selenophenes from butadiynes
History of organoselenium chemistry might be dated to 1836, when the synthesis of diethylselenium was reported by Löwig.[3]
Since the chemistry of organoselenium compounds is gaining more attention due to the potential these compounds have as biologicaly active substances.[2]
Summary
Bartłomiej Pigulski − Faculty of Chemistry, University of Wrocław, 50-383 Wrocław, Poland; orcid.org/00000002-9925-2878; Email: bartlomiej.pigulski@ chem.uni.wroc.pl. Patrycja Męcik − Faculty of Chemistry, University of Wrocław, 50-383 Wrocław, Poland.
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