96271-76-0Relevant academic research and scientific papers
Novel Preparation and Photochromic Properties of 2,4,4,6-Tetraaryl-4H-thiopyrans
Sebek, Pavel,Nespurek, Stanislav,Hrabal, Richard,Adamec, Mojmir,Kuthan, Josef
, p. 1301 - 1308 (2007/10/02)
1,3,3,5-Tetraarylpentane-1,5-diones 2 and 5 react with tetraphosphodecasulfide in xylene at elevated temperature to give the corresponding 2,4,4,6-tetraaryl-4H-thiopyrans 4 and 7.The mechanism of this transformation involves a fast initial step of dehydra
NMR SPECTROSCOPIC INVESTIGATION OF p-SUBSTITUTED 2,4,4,6-TETRAPHENYL-1,4-DIHYDROPYRIDINES AND THEIR OXA AND THIA ANALOGUES
Schwarz, Marian,Trska, Petr,Kuthan, Josef
, p. 1854 - 1869 (2007/10/02)
The 1H, 13C, 19F NMR spectra of photochromic p-substituted 2,4,4,6-tetraphenyl-1,4-dihydropyridines IIa-IIg, 1-methyl-2,4,4,6-tetraphenyl-1,4-dihydropyridines IIIa-IIIg, 2,4,4,6-tetraphenyl-4H-pyrans IVa-IVh, and 2,4,4,6-t
