2,3-bis(5,5-dimethyl-2-oxido-1,3,2-dioxaphosphinan-2-yl)cyclohexa-2,5-diene-1,4-dione 、
9,10-二氢-9-氧杂-10-磷杂菲-10-氧化物 以
甲苯 为溶剂,
反应 1.5h,
以65%的产率得到5,6-bis(5,5-dimethyl-2-oxido-1,3,2-dioxaphosphinan-2-yl)-4-hydroxy-6-(6-oxido-6H-dibenzo[c,e][1,2]oxaphosphinin-6-yl)cyclohexa-2,4-dienone