Title of article :
Efficient asymmetric synthesis of [7]helicene bisquinones
Author/Authors :
Carreno، M. Carmen نويسنده , , Gonzalez-Lopez، Marcos نويسنده , , Urbano، Antonio نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Abstract :
The efficient one-pot six-step domino process which occurs when (SS)-2-(p-tolylsulfinyl)-1,4-benzoquinone (1) reacts with 3,6-divinyl-1,2,7,8tetrahydrophenanthrenes 2a–c allowed enantioselective access to [7]helicene bisquinones 3a–c with excellent optical purities (96 to > 99%ee).
Keywords :
Spurgia esulae , Biological control , Invasive weeds , Endangered species , IPM , Aphthona czwalinae , Aphthona lacertosa , Aphthona nigriscutis , Aphthona flava , Leafy spurge flea beetles , Euphorbia esula
Journal title :
CHEMICAL COMMUNICATIONS - LETCHWORTH
Journal title :
CHEMICAL COMMUNICATIONS - LETCHWORTH