631869-10-8Relevant articles and documents
An alternative synthesis of benzobis(imidazolium) salts via a 'one-pot' cyclization/oxidation reaction sequence
Boydston, Andrew J.,Khramov, Dimitri M.,Bielawski, Christopher W.
, p. 5123 - 5125 (2006)
Cyclization of N-aryl and N-alkyl 2,5-diamino-1,4-benzoquinonediimines using paraformaldehyde under acidic conditions followed by oxidation with catalytic amounts of Pd(OAc)2 afforded their respective benzobis(imidazolium) salts in yields of 48