[(N-tosylimino)iodo]benzene 、
(+/-)-4,10-dibromo-2,8-dimethyl-6H,12H-5,11-methanodibenzo[b,f][1,5]diazocine 在
copper(II) bis(trifluoromethanesulfonate) 作用下,
以
乙腈 为溶剂,
以5%的产率得到4,10-dibromo-2,8-dimethyl-14-tosyl-6H,12H-5,11-(epiminomethano)dibenzo[b,f][1,5]diazocine