Scheme 20.
(a) Rh-catalyzed synthesis of 2H-indazoles 69 from azoxybenzenes 67 and diazoesters 68 (b) Rh-catalyzed synthesis of 2H-indazoles 72 from azoxy 70 and alkynes 71.
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.