Novel synthesis of oxa[9]helicenes by Lawesson’s reagent-mediated cyclization of helical quinone derivatives
Author/Authors :
Salim، نويسنده , , Mohammad and Akutsu، نويسنده , , Akira and Kimura، نويسنده , , Takao and Minabe، نويسنده , , Masahiro and Karikomi، نويسنده , , Michinori، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2011
Pages :
3
From page :
4518
To page :
4520
Abstract :
New oxa[9]helicenes which possess one furan ring have been readily prepared by reactive helical quinone with Lawesson’s reagent or phosphorus pentasulfide in good yields. The versatility of this protocol has been demonstrated with various substituted helical quinones.
