| http://www.w3.org/ns/prov#value | - This important important part of the present invention is a new efficient method of converting 3-(tert-butyldimethylsiloxy)-4-methoxyacetophenome to ??-halo-3-(tert-butyldimethylsiloxy)-4-methoxyacetophenome by treatment of the trimethylsilyl enol ether [1-(3-(tert-butyldimethylsiloxy)-4-methoxyphenyl)-1-trimethylsiloxyethylene] with elemental halogen.
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