Scheme 18.
Synthesis of monomers 18 and 19. Conditions: a = 4-penten-1-ol, DMF, Cs2CO3, 65 °C, 24 h; b = eugenol, DMF, Cs2CO3, 65 °C, 24 h.
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.