. 2016 Oct 7;8(2):1316–1328. doi: 10.1039/c6sc02390h
This journal is © The Royal Society of Chemistry 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution 3.0 Unported License (http://creativecommons.org/licenses/by/3.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Scheme 4. Synthesis of Na-4, Li-5 and Na-6.
