Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Apr 4;82(7):883–895. doi: 10.1002/ddr.21814

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2021 Wiley Periodicals LLC.

This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.

PMC Copyright notice

SCHEME 1 — Synthesis of major intermediate 11. ^aReagents and Conditions. a. Br₂/MeOH, Na₂CO₃ (Yield: 77%); b. Amberlyst‐15, H₂O, Acetone (Yield: 72%); c. CH₂Cl₂ (Yield: 45%); d. Amberlyst‐15, H₂O, Acetone (Yield: 42–65%)