Highly stereoselective synthesis of peracylated α-aldopyranosyl chlorides from aldopyranose peracetates and thionyl chloride catalyzed by BiCl3 generated in situ from the procatalyst BiOCl |
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| Authors: | Rina Ghosh Arijit Chakraborty Swarupananda Maiti |
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| Institution: | a Department of Chemistry, Jadavpur University, Kolkata 700 032, India |
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| Abstract: | Aldopyranose peracetates react with thionyl chloride and BiCl3, generated in situ from a substoichiometric amount of the procatalyst BiOCl, producing the corresponding peracylated aldopyranosyl chlorides in very good to excellent yields (82–97%) with exclusive α-anomeric selectivity. |
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| Keywords: | Stereoselective Aldopyranosyl chloride BiCl3 BiOCl Procatalyst Thionyl chloride |
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