Stable carbonium ions. LXXXIX. Tetramethylcyclobutenium dication, an aromatic 2 .pi.-electron system
- 1 June 1969
- journal article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 91 (13) , 3667-3669
- https://doi.org/10.1021/ja01041a052