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  • Title: Two-step, one-pot Ni-catalyzed neopentylglycolborylation and complementary Pd/Ni-catalyzed cross-coupling with aryl halides, mesylates, and tosylates.
    Author: Wilson DA, Wilson CJ, Rosen BM, Percec V.
    Journal: Org Lett; 2008 Nov 06; 10(21):4879-82. PubMed ID: 18817405.
    Abstract:
    Two-step, one-pot neopentylglycolborylation of aryl iodides and bromides catalyzed by NiCl2(dppe) and NiCl2(dppp) is reported. Electron-rich and electron-deficient aryl neopentylglycolboronates were efficiently cross-coupled with aryl iodides, bromides, chlorides, mesylates, and tosylates by exploiting complementary Pd/Ni and Ni/Ni catalysis. The borylation route was further extended to a three-step, one-pot synthesis of biaryls via in situ Ni-catalyzed borylation and Pd-mediated cross-coupling.
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