Cobalt-Catalyzed Diastereoselective Cross-Couplings between Alkynylzinc Pivalates and Functionalized Cyclic Iodides or Bromides
作者:Lucie Thomas、Ferdinand H. Lutter、Maximilian S. Hofmayer、Konstantin Karaghiosoff、Paul Knochel
DOI:10.1021/acs.orglett.8b00784
日期:2018.4.20
Various 1,2-, 1,3-, and 1,4-substituted cyclic iodides or bromides undergo highly diastereoselective cross-couplings (diastereoselectivity (dr) up to 99:1) with a range of alkynylzinc pivalates, using CoCl2 (20 mol %) and trans-N,N,N',N'-tetramethylcyclohexane-1,2-diamine as a catalytic system.