Scheme 2.
Cyrene-based Sonogashira cross-coupling: Substrate scope. Isolated yields. aYield using DMF as solvent. b2 equiv of Et3N used. c24 h reaction time.
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.