429693-76-5Relevant articles and documents
A 6π + 6π potentially antiaromatic zwitterion preferred to a quinoidal structure: Its reactivity toward organic and inorganic reagents
Braunstein, Pierre,Siri, Olivier,Taquet, Jean-Philippe,Rohmer, Marie-Madeleine,Benard, Marc,Welter, Richard
, p. 12246 - 12256 (2003)
A straightforward synthesis of the zwitterionic benzoquinonemonoimine 8 is reported. This molecule is a rare example of a zwitterion being more stable than its canonical forms. It is shown that 8 is best described as constituted of two chemically connecte