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A new high-yield approach to the regio- and stereoselective synthesis of d-arabino-, D-lyxo-, and D-xylo-phytosphingosines from inexpensive D-ribo-phytosphingosine is described. The synthetic methodologies mainly rely on the selective configurational inversion of the stereocenter through a neighboring group participation mechanism.
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Kim et al. (2008) studied this question.
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