In recent years, organocatalysis has enhanced its importance as a tool for the synthesis of
enantiomerically enriched compounds. Among the candidates for organocatalysis, the …

3-Amino-2-oxindoles bearing tetra-substituted stereocenter are very important constituents
of many bioactive and pharmaceutical agents. In the last few years, asymmetric …

The organocatalytic enantioselective decarboxylative addition of malonic acid half thioesters
to ketimines derived from isatins by using N‐heteroarenesulfonyl cinchona alkaloid amides …

A quinine‐derived thiourea organocatalyst promoted the highly enantioselective addition of
naphthols and activated phenols to ketimines derived from isatins. The reaction afforded …

The catalytic asymmetric electrophilic amination has been established as a fruitful
methodology for the construction of nitrogen-bearing tetrasubstituted carbon stereocenters …

An (S, S)-diphenyldiamine-derived bis (imidazolidine) pyridine (PyBidine)-NiCl2 complex
catalyzed the nitro-Mannich reaction of isatin-derived N-Boc ketimines to construct a chiral …

Direct catalytic methods for the stereoselective introduction of various non-protected amines
at the carbon atom adjacent to a carbonyl group remain elusive in synthetic chemistry, even …

Several oxindole derivatives, of natural or synthetic origin, have been identified as
medicinally appealing compounds, with a plethora of bioactivities reported. Chiral 3-hydroxy …

Zn-mediated asymmetric allylation of N-tert -butanesulfinyl ketimines : an efficient and
practical access to chiral quaternary 3-aminooxindoles - Chemical Communications (RSC …

A simple catalyst-free method was developed for the ring opening of spiroaziridine
oxindoles by three different nucleophiles, namely, amines, thiols, and methanol, to produce …