Scheme 1. (i) 1 or 2, NaBH(OAc)3; (ii) Aqueous HCl; (iii) TBAF.
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.