Key points are not available for this paper at this time.
In this work, cascade cyclizations of vinyl sulfonium salts with either indolyl chalcones or ortho‐amino trifluoroacetophenones are described. This protocol enables the assembly of fused 2,3‐dihyro‐1H‐pyrrolo1,2‐aindoles and fused tetrahydroquinolines containing a CF3‐substituted tetrasubstituted carbon stereocenters.
Zhu et al. (Wed,) studied this question.