Assignment of the absolute configuration of (+)-5,5′,6,6′-tetrahydro-7,7′-spiro[7H-cyclopenta[b]pyridine], a new inherently chiral spiropyridine, by a nonempirical analysis of its circular dichroism spectrum

1. Claps, M.
2. Parrinello, N.
3. Saá, C.
4. Varela, J.A.
5. Caccamese, S.
6. Rosini, C.