Dicyanate of bisphenol A(BCE)was synthesized by two-step process.NaCN reacted with Br 2 producing BrCN and BrCN reacted with bisphenol A to synthesize BCE at the presence of catalyst of triethylamine.

• 采用二步法合成双酚A二氰酸酯(BCE):由氰化钠和液溴反应合成溴化氰,溴化氰与双酚A在三乙胺的催化下合成BCE,合成产率在85%25以上。