949-68-8Relevant articles and documents
Periselectivity in the reactions of cyclopentadienones with 8-aryl-8-azaheptafulvenes
Gamba,Gandolfi,Oberti,Sardone
, p. 6331 - 6348 (2007/10/02)
8-Aryl-8-azaheptafulvenes 2 reacted smoothly with 2,5-dimethyl-3,4-diphenylcyclopentadienone (1a) to give exo [6+4] adducts, i.e. 4, as the dominant adducts along with minor amounts of endo [4+2] adducts, i.e. 7 and 8, and trace amounts of [8+2] adducts,