Title of article :
Enantioselective [4+2] cycloaddition of ketenes and 9,10-phenanthrenequinone catalyzed by N-heterocyclic carbenes
Author/Authors :
Shao، نويسنده , , Pan-Lin and Chen، نويسنده , , Xiang-Yu and Sun، نويسنده , , Li-Hui and Ye، نويسنده , , Song، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2010
Abstract :
Chiral N-heterocyclic carbenes were found to be efficient catalysts for the formal [4+2] cycloaddition reaction of alkyl(aryl)ketenes and 9,10-phenanthrenequinone to give the corresponding cycloadducts in good yields with high enantioselectivities.
Keywords :
Cycloadditions , ketenes , N-Heterocyclic carbenes , Asymmetric catalysis
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters