Hetero Diels-Alder Reaction versus Intramolecular Cyclization of 2-Aza-butadiene in the Synthesis of Venlafaxine
Mu, Xiaojing a,b; Xia, Zhining *,a,b; Wang, Chunyan a ;Panunzio, Mauro c ; Zeng, Lina a
Chin. J. Org. Chem. . 2009, (01): 61 -65 .