Carbohydrate Research p. 229 - 234 (1981)
Update date:2022-09-26
Topics: Distillation Catalyst Product Dehydration Gas Chromatography Reactant
Wisniewski, Andrzej
Szafranek, Janusz
Sokolowski, Janusz
The products of dehydration of pentitols in aqueous sulfuric acid have been studied by g.l.c.-m.s.Four isomeric 1,4-anhydropentitols were formed from D-arabinitol, but only two from xylitol and ribitol.The number of products could only be explained by assuming inversion of configuration at C-2 or C-4 during 1,4- or 2,5-cyclisation reactions.No product which involved inversion of configuration at C-3 was observed.Various mechanisms of isomerisation are considered.
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