Yewei Yang, Tao Zhang, Wenhai Huang
Jul 16, 2014
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Journal
Synthetic Communications
Abstract
Abstract Mild and high-yielding synthesis is described for raloxifene via piperdine nucleophilic substitution of a new raloxifene intermediate 3-aroyl-2-aryl-substituted benzo[b]thiophenes, which is obtained by acylation of para-substituted benzoyl chlorides and 2-arylbenzo[b]thiophenes. The key step is solvent free and offers valuable advantages, such as low cost, and is suitable for industrial production. GRAPHICAL ABSTRACT