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.
Postulated catalytic cycles accounting for the results of the kinetic studies on the CuAAC reactions in Scheme 1 in CD3CN (A) and CH3OH (B). L: copper-binding ligand or the counter ion. py: 2-pyridyl. Blue, orange, and purple represents the +2, +1, and +3 oxidation states of copper, respectively. The steps of copper(I) triazolide protonation are in green.
