[EN] ALPHA-HYDROXY-BENZENEACETIC ACID DERIVATIVES, AND COMPOUNDS HAVING TWO 5-MEMBERED LACTONE RINGS FUSED TO CENTRAL CYCLOHEXA-1,4-DIENE NUCLEUS BASED UPON THE SAME, AND USES OF THE COMPOUNDS<br/>[FR] DERIVES D'ACIDE ALPHA-HYDROXY-BENZENEACETIQUE ET COMPOSES A BASE DE CEUX-CI COMPRENANT DEUX CYCLES LACTONE A 5 ELEMENTS FUSIONNES A UN NOYAU CYCLOHEXA-1,4-DIENE CENTRAL, ET UTILISATION DESDITS COMPOSES
申请人:KYUNG IN SYNTHETIC CORP
公开号:WO2005028409A1
公开(公告)日:2005-03-31
The present invention provides a-hydroxy benzeneacetic acid derivatives of the formula as defined in the specification which is a precursor indispensable for synthesis of compounds having two 5-membered lactone rings fused to central cyclohexa-1,4-diene nucleus, and a process of easily preparing the same. According to the preparation process of the present invention, the a-hydroxy benzeneacetic acid derivative can be readily prepared at high purity and yield without using toxic materials or producing toxic by-products. Some novel compounds, synthesized by using such a a-hydroxy benzeneacetic acid derivative, have excellent fastness properties, dye fixing rate and leveling property to general synthetic fiber materials such as polyester fibers and their blends with other fibers, especially to micro fibers, and also can be used as a coloring agent for plastic resins, color tonors, color filters, etc.
本发明提供了一种如规范中定义的具有以下结构的α-羟基苯乙酸衍生物,该衍生物是合成具有两个5-成员内酯环融合到中心环己-1,4-二烯核的化合物所必需的前体,并提供了一种简便制备该衍生物的方法。根据本发明的制备过程,可以在高纯度和产率下轻松制备α-羟基苯乙酸衍生物,而无需使用有毒材料或产生有毒副产品。通过使用这种α-羟基苯乙酸衍生物合成的一些新化合物,在合成纤维材料(如涤纶纤维及其与其他纤维的混合物,特别是微纤维)具有优异的色牢度、染料固定率和均匀性能,还可以用作塑料树脂、颜色调节剂、颜色滤光片等的着色剂。