蒽 、
2,6-di-tert-butyl-1H,5H-[1,4]dithiino[2,3-c:5,6-c′]dipyrrole-1,3,5,7(2H,6H)-tetrone 以
苯 为溶剂,
以71%的产率得到(4aR,5R,10S,10aS)-2,13-di-tert-butyl-5,10-dihydro-1H-5,10-[1,2]benzeno-4a,10a-(methanoiminomethano)naphtho[2',3':5,6][1,4]dithiino[2,3-c]pyrrole-1,3,12,14(2H)-tetraone