Scheme 41.
A series of [3 + 2] annulations of various activated alkenes with MBH carbonates, catalyzed by the chiral phosphine H4.
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.