. 2019 Jun 5;377(4):19. doi: 10.1007/s41061-019-0243-6
© The Author(s) 2019
Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Scheme 51.
Synthesis of pyrano[2,3-d]pyrimidines 333 and 334 with sugar moiety [83]