Scheme 13.
Skeletal rearrangement towards saddle‐shaped nanographene 75 with 5–7–5 core. Sc(OTf)3: scandium trifluoromethanesulfonate.[ 91 ]
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.