Scheme 11.
Synthesis of 3′,4′-diaryl-4′H-spiro[indoline-3,5′-[1′,2′,4′]oxadiazol]-2-ones (66) via DMAP-catalyzed domino reaction. Conditions: (i) EtOH, rt, 3 h, DMAP (10 mol%), rt, 3 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.