85969-21-7Relevant articles and documents
p-Methoxybenzoylmethylium Hexafluoroantimonate: the First Isolatable Carbonyl-substituted Carbenium Ion Salt
Takeuchi, Ken'ichi,Kitagawa, Toshikazu,Okamoto, Kunio
, p. 7 (1983)
The title compound (p-MeOC6H4)2(p-MeOC6H4CO)C+SbF6- has been prepared as a stable crystalline salt from the corresponding chloride and silver hexafluoroantimonate; when heated in 1,2-dichloroethane this cation affords 2,3-bis-(p-methoxyphenyl)-6-methoxybenzofuran (5) via cyclization.