Cycloaddition of lewis acid-induced N-methyleneanilines as azadienes to 1,2-bistrimethylsilyloxycyclobutene and oxidative ring expansion to 1,2,4,5-tetrahydro-1-benzazocine-3,6-diones(1)
Ha
HJ
Department of Chemistry, Hankuk University of Foreign Studies, Yongin, 449-791, Korea, Department of Molecular Science and Technology, Ajou University, Suwon, 442-749, Korea, and Department of Chemistry, Sogang University, Seoul, 121-74.
Choi
CJ
Ahn
YG
Yun
H
Dong
Y
Lee
WK