2,7-ditert-butyl-4,5,12,13-tetrakis(4-methylphenyl)-9,11-diphenylpentacyclo[6.5.0.01,12.03,6.011,13]trideca-2,4,6,8-tetraen-10-one 、
potassium permanganate 生成 8,11-ditert-butyl-9,10-bis(4-methylbenzoyl)-2,3-bis(4-methylphenyl)-4,6-diphenyltetracyclo[5.4.0.01,3.02,4]undeca-6,8,10-trien-5-one