Dehydrogenative Lactonization of Diols in Aqueous Media Catalyzed by a Water??Soluble Iridium Complex Bearing a Functional Bipyridine Ligand
K Fujita, W Ito, R Yamaguchi
Index: Fujita, Ken-Ichi; Ito, Wataru; Yamaguchi, Ryohei ChemCatChem, 2014 , vol. 6, # 1 p. 109 - 112
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Citation Number: 16
Abstract
Abstract A new catalytic system for the dehydrogenative lactonization of a variety of benzylic and aliphatic diols in aqueous media was developed. By using a water-soluble, dicationic iridium catalyst bearing 6, 6′-dihydroxy-2, 2′-bipyridine as a functional ligand, highly atom economical and environmentally benign synthesis of various lactones was achieved in good to excellent yields. Recovery and reuse of the catalyst were also accomplished by a ...
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