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. 2018 Jul 17;23(7):1754. doi: 10.3390/molecules23071754

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Scheme 1 — Reagents and conditions: (a) CuI₂, N-iodosuccinimide (NIS), MeCN, 7h, 70 °C, rt., overnight; (b) Na₃PO₄, Pd(dppf)Cl₂.CH₂Cl₂, THF, 60 °C, overnight.