Scheme 19. (a) Formation of 1,4-dicarbonyl Z-alkenes by coupling of alkynes, α-diazo sulfonium triflate, and water under photoredox catalysis. (b) Proposed mechanism for the three-compound reaction towards 1,4-dicarbonyl Z-alkenes.
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.