. 2020 Jan 28;59(14):5551–5556. doi: 10.1002/anie.201914775
© 2019 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA.
This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Scheme 3.
Mechanistic studies.