A Synthetic Route to a $C_2$-Symmetrical Alkoxyketone

References

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15. Angew. Chem. Int. Ed. Engl. v.10 Compound 2 was prepared from L-arabitol according to the following literatue and by further transformations Bestmann, H. J.;Heid, H. A.
16. We have tried three conditions: PhCHo, p-TsOH in benzene or PhCH(OMe)₂,p-TsOH in CH₂CL₂ or PhCHO, H₂SO₄in DMF.
17. The ratios were determined by H NMR after oxidation of the liberated alcohol to ketone. The epimers of the ketones were 1 : 1 mixtures.
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19. NaOMe treatment was not a reproducible procedure in affording 6 in good yields
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