申请人:DSM IP ASSETS B.V.
公开号:US10183916B2
公开(公告)日:2019-01-22
The invention relates to an improved process for the manufacture of bis-resorcinyl triazines of formula (I) wherein R1 is a C1C18alkyl group or C2-C18alkenyl group as well as the respective alkyl substituted bis-resorcinyl derivatives of formula (II) wherein R1 is a C1-C18alkyl group or C2-C18alkenyl group and R2 and R3 are independently of each other a C1-C18alkyl group or a C2-C18alkenyl group.
本发明涉及一种制造式(I)双间苯二酚三嗪的改进工艺,式(I)中 R1 是 C1-C18 烷基或 C2-C18 烯基,以及式(II)中各自的烷基取代的双间苯二酚衍生物,式(II)中 R1 是 C1-C18 烷基或 C2-C18 烯基,R2 和 R3 相互独立地是 C1-C18 烷基或 C2-C18 烯基。