A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below.
1
(where R
2
and R
3
each denotes an unsubstituted aryl group; R
1
and R
4
each denotes an aryl group having a specific substituent such as methoxy group; and R
5
and R
6
each denotes a cyano group or the like.)
A process for producing a bis(aminostyryl)naphthalene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino) benzaldehyde with diphosphonic ester or diphosphonium.
The bis(aminostyryl)naphthalene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)naphthalene compound.
由以下通式[I]或类似通式代表的双(
氨基
苯乙烯基)
萘化合物。
1
(其中 R
2
和 R
3
各表示一个未取代的芳基;R
1
和 R
4
各自表示具有特定取代基(如甲氧基)的芳基;以及 R
5
和 R
6
分别表示
氰基或类似基团)。
一种通过例如 4-(N,N-二
氨基)
苯甲醛与
二膦酸酯或
二膦的缩合生产通式[I]代表的双(
氨基
苯乙烯基)
萘化合物的工艺。
双(
氨基
苯乙烯基)
萘化合物会发出强烈的黄色或红色光。该工艺可高效生产双(
氨基
苯乙烯基)
萘化合物。