3-acyl-2-oxazolone-zirconium complexes as excellent reagents for highly regioselective acylation of polyalcohols |
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| Authors: | Takehisa Kunieda Takashi Mori Tsunehiko Higuchi Masaaki Hirobe |
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| Institution: | Faculty of Pharmaceutical Sciences, University of Tokyo Hongo, Bunkyo-ku, Tokyo, Japan |
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| Abstract: | In combination with 3-acyl-2-oxazolones, zirconium complexes such as zirconium acetylacetonate and zirconocene chloride hydride-Mg serve well as effective catalysts for regioselective acylation of polyalcohols including 1,2-diols to permit highly preferential protection of primary hydroxyl groups. |
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