Scheme 6.
Redox independent cycloaddition of diols, ketols and diones with cyclohexadiene or norbornadiene.a
aYields are of material isolated by silica gel chromatography. dppe = bis-(diphenylphosphino)ethane. b3,5-Me2BzOH (10 mol%).
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.