A contribution to the asymmetric synthesis of 3-amine β-lactams: The diastereoselective [2+2] cycloaddition reaction of chiral aminoketene equivalents with enolizable aldehyde-derived/mines

1. Palomo, C.
2. Aizpurua, J.M.
3. Legido, M.
4. Mielgo, A.
5. Galarza, R.