A Readily Available and User-Friendly Chiral Catalyst for Efficient Enantioselective Olefin Metathesis

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Abstract
No glove box required! A new chiral catalyst for olefin metathesis is prepared from commercially available materials and is equally or more effective and selective than the previous systems. The new user‐friendly catalyst can be prepared in situ (see scheme, Ar=aryl, Tf=trifluoromethanesulfonyl), isolation not needed, outside of a glove box, and delivers reactivity and enantioselectivity levels formerly available only through multiple catalysts.