Qinqin Wang, Yuping Guo, Min Wang
2016
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Abstract
bromo-4-isobutyloxyphenyl carbothioamide 1 is an important intermediate in many biologically active compounds such as febuxostat. In this work, a rapid synthetic method for compound 1 was established. The compound 1 was synthesized from the commercially available 4-hydroxybenzonitrile 2 through three steps including bromination, oxyalkylation and thioamidation. The structure was confirmed by MS and 1 HNMR. Furthermore, the synthetic method was optimized. The total yield of the three steps was 49.2%.