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.
Preparation of radiolabeling precursors 8 and 8a. Conditions: (a) HBraq, reflux; (b) DMF-DMA, DMF; (c) BnBr, Cs2CO3, DMF; (d) KOH, MeOH, reflux; (e) phenyl chloroformate, THF; (f) 4-methyl-4-piperidinol, DMSO, 50 °C; (g) Pd/C, ammonium formate, DMF, 50 °C; (h) Bu4NOH, MeOH.
