The present invention relates to compounds 1, 1a (S-enantiomer) and 1b (R-enantiomer) of the following formula 1, and a method for preparing the same. [formula 1] The novel compound of the formula 1 is used as an important intermediate for preparing compounds 6, 6a (S-enantiomer) and 6b (R-enantiomer) of the following formula 6, which are 2,2′-binaphthol-3-aldehyde derivatives. Also, the present invention provides a method for preparing the compound of formula 1 with a very safe method at low cost. [formula 6]
本发明涉及以下公式1的化合物1、1a(S-对映体)和1b(R-对映体),以及其制备方法。公式1的新化合物被用作制备以下公式6的化合物6、6a(S-对映体)和6b(R-对映体)的重要中间体,它们是2,2'-联
萘酚-3-醛衍
生物。此外,本发明提供了一种以低成本非常安全的方法制备公式1化合物的方法。