Photoisomerization of 2,4,4,6-tetraaryl-4H-selenopyrans: a new heterocyclic ring contraction
Jiri Kroulik, Jan Cejka, Pavel Sebek, Petr Sedmera, Petr Halada, Vladimir Havlicek, Stanislav Nespurek, Bohumil Kratochvil, Josef Kuthan
Volume 11, Issue 3, 90-91
Communication , 31 May 2001