New odourless protocols for efficient Pauson-Khand annulations.
An inexpensive and commercially available odourless additive, dodecyl methyl sulfide, has been shown to be a highly effective promoter in the Pauson-Khand cyclisation of both intra- and intermolecular substrates, affording good to excellent yields of cyclopentenone products.
Brown
Jack A
JA
WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, Scotland, UKG1 1XL.
Irvine
Stephanie
S
Kerr
William J
WJ
Pearson
Colin M
CM