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) EDCI, DMAP, Et3N, THF, rt, 12 h, 80%; (b) LiOH·H2O, MeOH/THF/H2O, rt, 12 h, 95%; (c) NaOAc, Ac2O, 110 °C, 3 h, 60%; (d) K2CO3, MeOH, 2 h, 85%; (e) 6, NaH/K2CO3, DMF, 12 h, 20–70%; (f) 10% Pd/C, H2, AcOH, MeOH/EtOAc, rt, 2–3 d, 20–60%.
