Regio- and diastereoselective synthesis of thioxothiazolidin-indolin-2-ones, oxoindolin-carbamodithioate hybrids, and their base-catalyzed conversion into dispirocyclopentanebisoxindoles
Bagher Aghamiri,
F. Matloubi Moghaddam,
Sara Badpa
et al.
Abstract:In this publication, we reported a regio-, diastereoselective, and kinetically controlled reaction for synthesizing thioxothiazolidin-indolin-2-ones, oxoindolin-carbamodithioate hybrids, and their base-catalyzed conversion into dispirocyclopentanebisoxindoles. Obtaining only the kinetic thioxothiazolidin-indolin-2-one products together with their straightforward conversion to dispirocyclopentanebisoxindoles, excellent regio- and diastereoselectivity, easy reaction workup, and one-pot synthetic operation are co… Show more
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