【摘要】 采用 4-乙基联苯直接碘代 ,氰化反应的合成方法 ,制备了 4-乙基 - 4′-氰基二联苯 ,并且与以前的合成方法(即 :烷基联苯的溴化 ,氰化反应 )作了对比研究 ,该合成方法不仅提高了各步产率 ,而且反应条件温和 ,副产物少 ,易操作。更多还原

【Abstract】 Cyano 4′ ethylbiphenyl is prepared by iodination and cyanidation of 4 ethylbiphenyl.In Comparision with the old synthetic routes (bromination and cyanidation), the newly method can not only improve productive rate at each stage but also decrease side product.In addition,the operation is easier and the reaction conditions is moderate.更多还原