申请人:[en]MITSUBISHI GAS CHEMICAL COMPANY, INC.
公开号:WO2024117265A1
公开(公告)日:2024-06-06
The present invention relates to binaphthyl compounds of the formula I) that are suitable as monomers for preparing thermoplastic resins, such as polycarbonate resins, which have beneficial optical and mechanical properties and can be used for producing optical devices. where X1and X2are independently selected from -CH2OH and -C(O)ORX, where Rxis selected from the group consisting of hydrogen, phenyl, benzyl and C1-C4-alkyl; A1and A2are independently e.g. mono- or polycyclic arylene having from 6 to 26 carbon atoms as ring members or mono- or polycyclic hetarylene having a total of 5 to 26 atoms, which are ring members; R1and R2are independently selected from the group consisting of halogen, C2-C3- alkynyl, CN, R, OR, CHsR'3-s, NR2, C(O)R and CH=CHR", it being possible that R1and R2are identical or different if p+q>1, where s on each occurrence is 0, 1 or 2; p and q are independently 0, 1 or 2.