<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>A new catalyst Ti(IV)‐salan system efficiently promotes the diastereo‐ and enantioselective monoepoxidation of conjugated dienes using H<sub>2</sub>O<sub>2</sub> even in the presence of other olefins and adjacent stereocenters.</p> </abstract>