作者:Madavi S. Prasad、Murugesan Sivaprakash、A. Palanichamy
DOI:10.1039/d2ob01085b
日期:——
For the first time, [4 + 2]-annulation of in situ generated trienamine from 2-(E)-benzylidine-3-pyrrolidinyl acraldehyde with pyrazolone olefins has been developed to give hexahydrospiroindole pyrazolones with high chemo- and stereoselectivity.