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. 2017 Jan 18;32(1):304–310. doi: 10.1080/14756366.2016.1250755

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© 2017 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/Licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Scheme 1. — Synthesis of RDS 777. (i) sec-BuOH, Na, reflux, 4 h, 50% ¹²^,¹³; (ii) 3-chlorothiophenol, Pd₂(dba)₃, DPPF, DIPEA, DMF, reflux, 6.5 h, 68.33%.