Cis , cis - 1, 4 - dibromo - 1,2 , 3,4 - tetraphenyl - 1,3 - butadiene is obtained from the reaction of 1 , 4 - dilitho - l, 2,3, 4 - tctraphenyl - l , 3 - buladicnc with carbon tetrabro - mide.

1,4-二锂-1,2,3,4-四苯基-1,3-丁二烯与四溴化碳反应生成顺, 顺 -1, 4- 二溴-1, 2, 3,4-四苯基 -1, 3- 丁二烯.

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