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Asymmetric Desymmetrization of Saturated and Unsaturated meso-1,2-Diols
作者:Hiromichi Fujioka、Yasushi Nagatomi、Naoyuki Kotoku、Hidetoshi Kitagawa、Yasuyuki Kita
DOI:10.1016/s0040-4020(00)00859-0
日期:2000.12
desymmetrization of saturated and unsaturated cyclic and acyclic meso-1,2-diols has been developed from the ene acetals, prepared from the norbornene carboxyaldehyde and meso-1,2-diols. The intramolecular haloetherification of the ene acetals as a key step afforded 8-membered acetals in a stereoselective manner just by the reaction of norbornene olefin even when the ene acetals from unsaturated meso-1,2-diols having