Titanocene-catalysed transannular cyclisation of epoxygermacrolides: Enantiospecific synthesis of eudesmanolides

Abstract:

This chapter contains sections titled: Molecular sieves as promoters for the catalytic Pauson-Khand reaction Palladium(II)-catalysed cyclization of alkynes with aldehydes, ketones or nitriles initiated by acetoxypalladation of alkynes Rhodium(I)-catalysed intramolecular alder-ene reaction and syntheses of functionalised α-methylene-γ-butyrolactones and cyclopentanones Rhodium-catalysed [2 + 2 + 2] cyclotrimerisation in an aqueous-organic biphasic system Titanocene-catalysed transannular cyclisation of epoxygermacrolides: enantiospecific synthesis of eudesmanolides.

Año de publicación:

2005

Keywords:

• Acetoxypalladation-initiated carbonheteroatom multiple bond insertion-protonolysis system
• Flash chromatography
• Carbon-palladium bond
• Titanocene-catalyzed cyclization of epoxygermacrolides
• Carbon-transition-metal bonds
• Alkyne cyclotrimerization
• Pauson-khand reaction (PKR)
• Carbon-carbon multiple bond insertion
• Eudesmanolides

Fuente:

scopus