A case of oligomerization on attempted chlorination of an α-hydroxy acetal with the triphenylphosphine tetrachloromethane reagent |
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Authors: | Serge David Gérard de Sennyey |
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Institution: | Laboratoire de Chimie Organique Multifonctionnelle, Université Paris-Sud, Centre d''Orsay, bt 420, 91405 Orsay Cédex, France |
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Abstract: | Treatment of methyl 3,5-dideoxy-β---pentofuranoside with the Ph3P-CCl4 reagent gave none of the expected 2-chloro derivative but a mixture of l→2 linked oligosaccharides, , with some higher homologues, terminated by αa 2-chloro-2,3,5-trideoxy-α---pentofuranosyl unit at the non reducing end. |
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