Lewis Acid Catalysis of the Diels–Alder Reaction Using Niobium and Tantalum Chlorides in the Presence of Coordinating Ligands

• Main Authors: Kevin Gillespie, Joshua Howarth
• Format: Article
• Language: English
• Published: MDPI AG 2000-08-01
• Series: Molecules
• Subjects: niobium; tantalum; bis-oxazoline; pybox
• Online Access: http://www.mdpi.com/1420-3049/5/8/993/
• ISSN: 1420-3049

The Jacobsen and pybox type ligands effect chiral induction in the presence of niobium(V) chloride and tantalum(V) chloride in the Lewis acid catalysed Diels–Alder reaction.