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) Pd(dppf)Cl2, KOAc, 1,4-dioxane, 80 °C; (b) oxone, acetone, rt; (c) TFA, DCM, rt; (d) TEA, THF, DMF, 80 °C; (e) DEAD, PPh3, THF, 60 °C; (f) HCl, 1,4-dioxane, rt.
