Aromatic methylidene compounds, aromatic aldehyde compounds and methylstyryl compounds used to prepare the methylidene compounds, and methods for preparing these compounds
申请人:Matsushita Electirc Industrial Co., Ltd.
公开号:US20020147347A1
公开(公告)日:2002-10-10
Aromatic methylidene compounds of the following general formula
1
wherein R
11
and R
21
independently in each occurrence represent an unsubstituted or substituted alkyl or alkoxy group, a halogen, a cyano group or a nitro group, n
11
and n
21
are, respectively, an integer, R
31
and R
41
independently represent hydrogen, an unsubstituted or substituted alkyl group, an unsubstituted or substituted cycloalkyl group, an unsubstituted or substituted aromatic group, or an unsubstituted or substituted aromatic heterocyclic group and may join to complete a condensed ring, along with other types of aromatic methylidene compounds wherein the moieties attached to the naphthalene ring are attached to different positions of the ring. The preparation of the methylidene compounds is also described along with intermediate compounds and their preparation.
通式如下的芳香族亚甲基化合物
1
其中 R
11
和 R
21
各自代表未取代或取代的烷基或烷氧基、卤素、氰基或硝基,n
11
和 n
21
分别为整数,R
31
和 R
41
独立地代表氢、未取代或取代的烷基、未取代或取代的环烷基、未取代或取代的芳香基、未取代或取代的芳香杂环基,并可连接以完成缩合环,以及其他类型的芳香亚甲基化合物,其中连接到萘环上的分子连接到环的不同位置。此外,还介绍了亚甲基化合物的制备方法以及中间体化合物及其制备方法。