New models for the study of the racemization mechanism of carbodiimides. Synthesis and structure (X-ray crystallography and 1H NMR) of cyclic carbodiimides

1. Molina, P.
2. Alajarín, M.
3. Sánchez-Andrada, P.
4. Carrió, J.S.
5. Martínez-Ripoll, M.
6. Anderson, J.E.
7. Jimeno, M.L.
8. Elguero, J.