@article{article7b43d073,
title   = {The stereochemistry of the addition of titanium enolates of N-propionyl-oxazolidin-2-ones to 5- and 6-membered N-acyliminium ions},
author = {Pilli, R A and Alves, C D and Bockelmann, M A and Mascarenhas, Yvonne Primerano and Nery, José Geraldo and Vencato, Ivo},
year = {1999},
doi = {10.1016/s0040-4039(99)00398-6},
journal   = {Tetrahedron Letters}
}