1443052-58-1Relevant articles and documents
Engaging Allene-Derived Zwitterions in an Unprecedented Mode of Asymmetric [3+2]-Annulation Reaction
Sankar, Muthukumar G.,Garcia-Castro, Miguel,Golz, Christopher,Strohmann, Carsten,Kumar, Kamal
, p. 9709 - 9713 (2016)
Catalytic addition of chiral phosphine, that is, (R)- or (S)-SITCP, to an α-substituted allene ester generated a zwitterionic dipole. Under optimized reaction conditions, this dipole could engage isatine-derived N-Boc-ketimines in a novel mode of [3+2] an