Article ISI
Angew. Chem. Int. Ed.  (1996)

[5+2] Cycloaddition of Cyclic N-Phosphino-1-azadienes: Synthesis, X-Ray Structure and Reactivity of the first Seven-Membered Iminophosphorane

J. Barluenga, M. Tomás, K. Bieger, S. García-Granda and R. Santiago-García