The present invention is related to a new synthesis for preparing para-phenyl alkynyl benzaldehyde of general formula (I). The compounds of formula (1) are useful building blocks, in particular in the synthesis of electrically conducting polymers. R is selected from the group consisting of C
1
-C
12
-alkyl, C
1
-C
12
-alkyl aryl, C
1
-C
12
-alkyl heteroaryl, C
2
-C
12
-alkenyl, C
2
C
12
-alkenyl aryl, C
2
-C
12
-alkenyl heteroaryl, C
2
-C
12
-alkynyl, C
2
-C
12
-alkynyl aryl, C
2
-C
12
-alkynyl heteroaryl, C
3
-C
8
-cycloalkylC
1
-C
12
--alkyl-C
3
-C
8
-cycloalkyl, C
1
-C
12
-alkoxy, aryl, heteroaryl, halides.
本发明涉及一种制备通式(I)的对苯基炔基
苯甲醛的新合成方法。式(I)的化合物是有用的构建块,特别是在电导聚合物的合成中。R选择自C1-C12-烷基,C1-C12-烷基芳基,C1-C12-烷基杂芳基,C2-C12-烯基,C2C12-烯基芳基,C2-C12-烯基杂芳基,C2-C12-炔基,C2-C12-炔基芳基,C2-C12-炔基杂芳基,C3-C8-环烷基C1-C12-烷基C3-C8-环烷基,C1-C12-烷氧基,芳基,杂芳基,卤素的群组中选择。