Stereoselective green synthesis and molecular structures of highly functionalized spirooxindole-pyrrolidine hybrids - A combined experimental and theoretical investigation

Stereoselective green synthesis of new spirooxindole-pyrrolidine hybrids 4 and 6 were synthesized and their structures were confirmed by NMR spectra, X-ray crystallography and DFT studies. The DFT computed polarizability values suggest the possible NLO property of the synthesized compounds.189