Li Yu-feng
2013
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Journal
Chinese Journal of Synthetic Chemistry
Abstract
The key intermediate of Synephrine,2-bromo-1-(4-hydroxyphenyl)ethanone,was synthesized from 1-(4-hydroxyphenyl)ethanone using Br2 as the brominating reagent by improvement method in yield of 64.7% with purity of 90.2%.The structure was confirmed by 1H NMR.