Desymmetrization of meso-dienyne by asymmetric Pauson–Khand type reaction catalysts†
Abstract
Desymmetrization of the meso dienynes, such as propargyl 1-vinylallyl N-tosylamides (1a–c) and propargyl 1-vinylallyl ethers (1d–e), by asymmetric Pauson–Khand type reaction