220042-68-2Relevant academic research and scientific papers
Synthesis of 7-hydroxy-2-(2-hydroxybenzoyl)benzo[c]chromen-6-ones by sequential application of domino reactions of 1,3-bis(silyl enol ethers) with benzopyrylium triflates
Lubbe, Mathias,Appel, Bettina,Flemming, Anke,Fischer, Christine,Langer, Peter
, p. 11755 - 11759 (2006)
The domino, Michael-retro-Michael-aldol, reaction of 2,4-bis(trimethylsilyloxy)penta-1,3-diene with 3-formylchromones afforded 4-(2-hydroxybenzoyl)-2-acetylphenols, which were transformed into 6-(2-hydroxybenzoyl)chromones. The Me3SiOTf-mediate
Reactions of 4-Oxo-4H-1-benzopyran-3-carboxaldehydes with Pentane-2,4-dione in Acidic Medium - A New Route to Dihydroxybenzophenone Derivatives
Bandyopadhyay, Chandrakanta,Sur, Kumar Ranabir,Patra, Ranjan
, p. 802 - 803 (2007/10/03)
Reaction of the title aldehyde 1 with acetylacetone 2 gives benzophenone 8 along with the Knoevenagel-type product 5 under acidic conditions.
