P. Pigeon et al., Thieno[2 ',3 ': 5,6]azepino[2,1-alpha]isoindolones from hydroxylactam-alchols via N-acyliminium ion olefin cyclization, J HETERO CH, 38(1), 2001, pp. 35-39
A one pot synthesis of thienoazepinoisoindolones from the reaction of hydro
xylactam-alcohols, under acidic treatment, is described via an N-acyliminiu
m olefin cyclization.