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.
Reagents and conditions: (a) acetic anhydride, pyridine, DCM, rt, 16 h; (b) FeCl3, NaN3, H2O2, ACN, −45 °C, 6 h; (c) DIC, Pfp-OH, EtOAc, −15 °C, 4 h; (d) AgClO4, anhydrous DCM/toluene [1:1 (v/v)], −30 °C, 16 h; (e) zinc powder, acetic acid/acetic anhydride/THF [1:6:6 (v/v/v)], rt, 18 h.
