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  • Title: TiCl4-catalyzed indirect anti-Markovnikov hydration of alkynes: application to the synthesis of benzo[b]furans.
    Author: Ackermann L, Kaspar LT.
    Journal: J Org Chem; 2007 Aug 03; 72(16):6149-53. PubMed ID: 17629343.
    Abstract:
    An efficient methodology for the indirect anti-Markovnikov hydration of unsymmetrically substituted terminal and internal alkynes is based on TiCl4-catalyzed hydroamination reactions. Its application to ortho-alkynylhaloarenes, followed by a copper-catalyzed O-arylation, provides flexible access to substituted benzo[b]furans.
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