Synthesis, structure (NMR and mass spectrometry) and conformational analysis of heterocyclic analogues of dibenzo[a,e]cycloocta-1,5-diene: 5,6,12,13-tetrahydrobispyrazolo[1,2-a:1′,2′-e][1,2,5,6] tetraazocinediium dihalides

1. Cabildo, P.
2. Claramunt, R.M.
3. Cornago, P.
4. Lavandera, J.L.
5. Sanz, D.
6. Jagerovic, N.
7. Jimeno, M.L.
8. Elguero, J.
9. Gilles, I.
10. Aubagnac, J.-L.