Synthesis of heterocyclic ligands by diheterocyclization at the rhenium(I) allenylidene [(triphos)(CO)2Re{C=C=CPh2}](OSO 2CF3). 1. Reactivity with dipolar N,N-heterocycles

1. Mantovani, N.
2. Bergamini, P.
3. Marchi, A.
4. Marvelli, L.
5. Rossi, R.
6. Bertolasi, V.
7. Ferretti, V.
8. De Rios, I.L.
9. Peruzzini, M.