Abstract
l-Proline was found to be a versatile organocatalyst for the synthesis of new spirooxindole derivatives in good yields under mild reaction conditions using 1-propanol as a solvent.
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Khorrami, A.R., Kiani, P. & Bazgir, A. l-Proline: an efficient catalyst for the synthesis of new spirooxindoles. Monatsh Chem 142, 287–295 (2011). https://doi.org/10.1007/s00706-011-0446-1
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DOI: https://doi.org/10.1007/s00706-011-0446-1