An official website of the United States government
Here's how you know
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.
Scheme 27. (a) Oxidative cross-coupling of 4-methoxyphenylacetylene 59 with aromatic terminal alkynes 60 catalyzed by Au/SBA-15-amine;73 (b) CuFe2O4-catalyzed cross-dehydrogenative coupling of 62 with 63.74.