Study of Chiral Auxiliaries for the Intramolecular [2+2] Cycloaddition of a Keteniminium Salt To An Olefinic Double-bond - a New Asymmetric-synthesis of Cyclobutanones
Chen, L.-Y., & Ghosez, L. (1990). Study of Chiral Auxiliaries for the Intramolecular [2+2] Cycloaddition of a Keteniminium Salt To An Olefinic Double-bond - a New Asymmetric-synthesis of Cyclobutanones. Tetrahedron Letters, 31(31), 4467-4470. https://doi.org/10.1016/S0040-4039(00)97650-0 (Original work published 1990)