Novel (n + 1 + 1) cycloaddition reactions; the formation of cyclic tetraphosphonium dications with four linked phosphorus atoms and an organic backbone. by Boyall, A, Dillon, K, Howard, J, Monks, P, Thompson, A

The relative stabilities of cyclic dicationic derivatives of diphosphanes with three (3P) or four (4P) linked phosphorus atoms. by Bashforth, R, Boyall, A, Coffer, P, Dillon, K, Goeta, A, Howard, J, Kenwright, A, Probert, MR, Shepherd, H, Thompson, A