Provided are a π-electron conjugated polymer having a constitutional unit represented by general formula (2) that is suitable as an electrochromic material that changes from a desired colored state to a decolored state, a new compound that is a raw material of the polymer, and a method for producing the polymer: wherein each X independently represents one selected from the group consisting of an oxygen atom, a sulfur atom, —NH—, and —NR
1
— (wherein R
1
is an optionally substituted alkyl group having 1 to 20 carbon atoms or an optionally substituted aryl group having 6 to 20 carbon atoms); each Y independently represents an oxygen atom or a sulfur atom; each Z independently represents one selected from the group consisting of a hydrogen atom and optionally substituted organic groups having 1 to 20 carbon atoms, and W is one selected from the group consisting of an ethynylene group, an optionally substituted ethenylene group, optionally substituted arylene groups, and optionally substituted divalent heteroaromatic ring groups; and n is an integer of 2 or greater.
提供了一种π-电子共轭聚合物,其具有适用于电致变色材料的构成单元,该材料从所需的有色状态变为无色状态,一种作为该聚合物原料的新化合物以及一种制备该聚合物的方法:其中,每个X独立地表示从由氧原子、
硫原子、—NH—和—NR1—(其中R1是具有1至20个碳原子的可选取代烷基或具有6至20个碳原子的可选取代芳基)组成的群体中选择的一个;每个Y独立地表示氧原子或
硫原子;每个Z独立地表示从氢原子和具有1至20个碳原子的可选取代有机基团中选择的一个,W从
乙炔基、可选取代的
乙烯基、可选取代的芳基基团和可选取代的双价杂环芳基环组成的群体中选择一个;n为大于或等于2的整数。