Scheme 4.
One-pot three-component reaction of 2-hydroxy-1,4-naphthoquinone (7), malononitrile (1) and different aldehydes (2) catalysed by CuFe2O4@starch at room temperature.
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.