119760-20-2Relevant academic research and scientific papers
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
Photochemical Reaction of 2,4,4,6-Tetrasubstituted 1,4-Dihydropyridines in Deaerated Media: Photocolouration and Photorearrangement accompanying Dehydrogenation
Shibuya, Junko,Nabeshima, Mami,Nagano, Hajime,Maeda, Koko
, p. 1607 - 1612 (2007/10/02)
The photochemical colour change of 2,2,4,6-tetraphenyl-1,4-dihydropyridine (1) in deaerated solutions from colourless to violet, which has been reported as a photochromic phenomenon, was found to be an irreversible change and to give 2,3,4,6-tetraphenylpy
