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.
Conditions: a) 2-benzyloxy-1-methyl-pyridinium triflate, MgO, PhCF3; 73%; b) LiOH, THF/H2O; c) Dowex 50X2-200; quant. over 2 steps; d) 2 equiv (COCl)2, 1 equiv DMF, CH2Cl2, 5 minutes, r.t.; e) 4 equiv Et3N, 1 equiv DMAP, 2 equiv 2, r.t., 12 h, 57%.
