Regioselective Three Component Domino Synthesis of Polyhydrospiro[indoline-3,3'-pyrrolizine]-2-one via [3+2] Cycloaddition Reaction

In present work, we have reported the synthesis and characterisation of novel hexahydrospiro[indoline-3,3′-pyrrolizine]-2-one derivatives in good to excellent yields via [3+2] cycloaddtion reaction in regioselective manner. These compounds were synthesized via multicomponent reaction of substituted...

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Bibliographic Details
Published in:Asian journal of chemistry 2019, Vol.31 (3), p.613-616
Main Authors: Tripathi, Vishwa Deepak, Shukla, Akhilesh Kumar, Mohammed, Hasan Shamran
Format: Article
Language:English
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Summary:In present work, we have reported the synthesis and characterisation of novel hexahydrospiro[indoline-3,3′-pyrrolizine]-2-one derivatives in good to excellent yields via [3+2] cycloaddtion reaction in regioselective manner. These compounds were synthesized via multicomponent reaction of substituted 3-cinnamoyl-4-hydroxy-6-methyl-2H-pyran-2-one, isatin, L-proline at room temperature. All the synthesized hexahydrospiro molecules were characterized by 1H and 13C NMR, IR spectra, mass spectra and elemental analysis. Regioselectivity in synthesized molecules were also explained on the basis of secondary orbital interactions. A simple and facile methodology is developed which has great importance in synthetic chemistry.
ISSN:0970-7077
0975-427X
DOI:10.14233/ajchem.2019.21737