. 2018 Feb 8;26:2040206617753443. doi: 10.1177/2040206617753443
© The Author(s) 2018
Creative Commons Non Commercial CC BY-NC: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).
Scheme 4.
Synthesis of ethyl 5-chloro-4-fluoro-1H-indole-2-carboxylate [56].