115668-15-0Relevant academic research and scientific papers
Substituted 2,4,4,6-tetraphenyl-4H-selenopyrans: Preparation, photocolouration and 4H-selenopyran ring geometry; an X-ray and DFT calculation study
Kroulik, Jiri,Cejka, Jan,Boehm, Stanislav,Sebek, Pavel,Nespurek, Stanislav,Koshets, Igor,Sedmera, Petr,Halada, Petr,Havlicek, Vladimir,Kratochvil, Bohumil,Kuthan, Josef
, p. 1909 - 1916 (2007/10/03)
1,5-Diaryl-3,3-diphenylpentane-1,5-diones 3a-d react with Al2Se3-HCl-AcOH reagent to give the 2,6-diaryl-4,4-diphenyl-4H-selenopyrans 4a-d in satisfactory yields while the same procedure starting from 1,5-diketone 5 affords small amo
