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  • Title: Pd(II)/(t)Bu-quinolineoxazoline: an air-stable and modular chiral catalyst system for enantioselective oxidative cascade cyclization.
    Author: He W, Yip KT, Zhu NY, Yang D.
    Journal: Org Lett; 2009 Dec 17; 11(24):5626-8. PubMed ID: 19905004.
    Abstract:
    An air-stable and structurally tunable chiral (t)Bu-quinolineoxazoline/Pd(II) catalyst system has been developed for the enantioselective oxidative cascade cyclization of a variety of disubstituted olefinic substrates, with the apparent advantages of good yields and excellent enantioselectivities (up to 98% ee) and diastereoselectivities (dr >24:1). A transition-state model has also been proposed to account for the excellent stereocontrol.
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