R. Drujon, V. Rahmani, R. Héran, Y. Blanc, B. Carissan et al., 16, 7513. 2 The only relevant comment was the fact that we used the term ''disrotatory'' in place of, Phys. Chem. Chem. Phys, 2014.

F. Dubois, R. Rodier, R. Blanc, V. Rahmani, J. Héran et al., Dramatic influence of the substitution of alkylidene-5H-furan-2-ones in Diels???Alder cycloadditions with o-quinonedimethide as diene partner: en route to the CDEF polycyclic ring system of lactonamycin, Organic & Biomolecular Chemistry, vol.351, issue.24, p.4712, 1989.
DOI : 10.1002/adsc.200800757
URL : https://hal.archives-ouvertes.fr/hal-00736663

R. A. Weigend, R. Angeli, J. P. Cimiraglia, and . Malrieu, LIBINT: a library for the evaluation of molecular integrals of many-body operators over Gaussian functions, Version 2.1.0 (beta) Edward F. Valeev, Phys. Chem. Chem. Phys. Interdiscip. Rev.: Comput. Mol. Sci. J. Comput. Chem. J. Chem. Phys. J. Chem. Phys. Theor. Chem. Acc, vol.24, issue.114, pp.117-9138, 1740.