Author/Authors :
Toyao، نويسنده , , Atsushi and Chikaoka، نويسنده , , Shiho and Takeda، نويسنده , , Yoshifumi and Tamura، نويسنده , , Osamu and Muraoka، نويسنده , , Osamu and Tanabe، نويسنده , , Genzoh and Ishibashi، نويسنده , , Hiroyuki، نويسنده ,
Abstract :
Oxidative radical cyclizations of enamide 3 with Mn(OAc)3 in the presence of Cu(II) were examined. When Cu(OAc)2 was used as an additive, 4-acetoxyerythrinane derivative 5 was formed, whereas the use of Cu(OTf)2 afforded simple erythrinane 6.
Keywords :
copper and compounds , manganese and compounds , radical and radical reactions , Alkaloids
