aDepartment of Organic Chemistry, Institute of Chemical Technology, Prague, Czech Republic bDepartment of Solid State Chemistry, Institute of Chemical Technology, Prague, Czech Republic cInstitute of Microbiology, Academy of Science of the Czech Republic, Prague dInstitute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic
Abstract:
The UV illumination of title compounds 3a,b in acetonitrile solutions leads to corresponding five-membered ring isomers 4a,b, probably, via open-ring intermediates, whereas the photocolouration was observed in the solid state
Document Type:
Article
Language: English
Citation:
J. Kroulik, J. Cejka, P. Sebek, P. Sedmera, P. Halada, V. Havlicek, S. Nespurek, B. Kratochvil, J. Kuthan, “Photoisomerization of 2,4,4,6-tetraaryl-4H-selenopyrans: a new heterocyclic ring contraction”, Mendeleev Commun., 11:3 (2001), 90–91
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https://www.mathnet.ru/eng/mendc4234
https://www.mathnet.ru/eng/mendc/v11/i3/p90
This publication is cited in the following 2 articles:
Jiří Kroulík, Jan Čejka, Stanislav Böhm, Pavel Šebek, Stanislav Nešpůrek, Igor Koshets, Petr Sedmera, Petr Halada, Vladimír Havlíček, Bohumil Kratochvíl, Josef Kuthan, “Substituted 2,4,4,6-tetraphenyl-4H-selenopyrans: preparation, photocolouration and 4H-selenopyran ring geometry; an X-ray and DFT calculation study”, J. Chem. Soc., Perkin Trans. 2, 2002, no. 11, 1909
Jiri Kroulik, Jan Cejka, Pavel Sebek, Petr Sedmera, Petr Halada, Vladimir Havlicek, Stanislav Nespurek, Bohumil Kratochvil, Josef Kuthan, “ChemInform Abstract: Photoisomerization of 2,4,4,6‐Tetraaryl‐4H‐selenopyrans: A New Heterocyclic Ring Contraction.”, ChemInform, 32:43 (2001)
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