Key points are not available for this paper at this time.
-hydroxy phthalimide ester and a subsequent silver-catalyzed 5-endo-dig and Aza-silyl-Prins annulation cascade. Divergent control over an aldol reaction yields both Lycojapomines A and B in an efficient manner, without the need for any excess protecting groups.
Gross et al. (Mon,) studied this question.