40836-01-9Relevant articles and documents
Synthesis, optical spectroscopy and laser potential of pyrylium tosylates
Koh, Jung Jae,Lee, Christina Inbok,Ciulei, Mihaela Alexa,Han, Haesook,Bhowmik, Pradip Kumar,Kartazaev, Vladimir,Gayen, Swapan Kumar
, p. 458 - 465 (2018)
Safe and inexpensive methods for synthesis of a series of four substituted 2,4,6-triphenylyrylium tosylate salts with different substituents are reported. The synthesis methods use p-toluenesulfonic acid monohydrate instead of conventional acid catalysts
SYNTHESIS OF 2,4-DICHLORO-2-PENTENE-1,5-DIONES
Pchelintseva, N. V.,Chalaya, S. N.,Kharchenko, V. G.
, p. 1603 - 1605 (2007/10/02)
2,4,6-Triphenylpyrylium chloride is released together with 1,3,5-triphenyl-2,4-dichloro-2-pentene-1,5-dione during the action of chlorine on 1,3,5-triphenyl-2-pentene-1,5-diones under mild conditions.The reaction of 2-pentene-1,5-dione with chlorine in th