Add time:09/08/2019 Source:sciencedirect.com
A convenient approach for the preparation of (2S,3R,4R,5S,6R)-2-(3-(4-ethylbenzyl)-4-chlorophenyl)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol 1 is developed. The target compound via four steps is synthesized from 4-bromo-2-(bromomethyl)-1-chlorobenzene and the isomers of undesired ortho-products were avoided during the preparation.
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