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-4<i>H</i>-selenopyrans: a new heterocyclic ring contraction”, Mendeleev Commun., 2001, Volume 11, Issue 3,Pages <nobr>90

This article is cited in 2 papers

Photoisomerization of 2,4,4,6-tetraaryl-4H-selenopyrans: a new heterocyclic ring contraction

J. Kroulik^a, J. Cejka^b, P. Sebek^a, P. Sedmera^c, P. Halada^c, V. Havlicek^c, S. Nespurek^d, B. Kratochvil^b, J. Kuthan^a

^a Department of Organic Chemistry, Institute of Chemical Technology, Prague, Czech Republic
^b Department of Solid State Chemistry, Institute of Chemical Technology, Prague, Czech Republic
^c Institute of Microbiology, Academy of Science of the Czech Republic, Prague
^d Institute 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

Language: English

DOI: 10.1070/MC2001v011n03ABEH001430