Title of article :
Co(II)–salen-catalyzed asymmetric intramolecular cyclopropanation
Author/Authors :
Uchida، نويسنده , , Tatsuya and Saha، نويسنده , , Biswajit and Katsuki، نويسنده , , Tsutomu، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2001
Abstract :
Optically active Co(II)–salen complexes (5 and 7) were found to catalyze highly enantioselective intramolecular cyclopropanation of 2-alkenyl α-diazoacetates in the presence of N-methylimidazole under high substrate concentration.
Keywords :
chiral (salen)cobalt(II) complex , asymmetric intramolecular cyclopropanation , 2-alkenyl ?-diazoacetates
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
