Alkene aziridination and epoxidation catalyzed by chiral metal salen complexes

✍ Scribed by Kenneth J. O'Connor; Shiow-Jyi Wey; Cynthia J. Burrows

• Book ID: 104224912
• Publisher: Elsevier Science
• Year: 1992
• Tongue: French
• Weight: 285 KB
• Volume: 33
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(00)91844-6

✦ Synopsis

New chiral metal salen complexes substituted in the 3 position with bulky silyl groups (TM!?, TBDMS) have been synthesized. Although some of these complexes catalyzed the epoxidation of unfunctionalized olefins in moderate to high ee's, they catalyzed the aziridination of cis-P-methylstyrene without any asymmetric induction.