. 2020 Apr 3;25(7):1645. doi: 10.3390/molecules25071645
© 2020 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/).
Scheme 21.
Pd/PTABS catalyzed synthesis of azathioprine.