Anion-pi interactions in four-membered rings.
In this study, the importance of anion-pi interactions in four-membered rings has been evidenced. Two kinds of rings have been found to be suitable for participation in anion-pi interactions: first, in different salts of cyclobuten-1,2-dione derivatives and, second, in eta(4)-cyclobutadiene complexes with transition metals.
Estarellas
Carolina
C
Departament de Química, Universitat de les Illes Balears, Crta. de Valldemossa km 7.5, 07122 Palma, Spain.
Rotger
M Carmen
MC
Capó
Magdalena
M
Quiñonero
David
D
Frontera
Antonio
A
Costa
Antoni
A
Deyà
Pere M
PM