[EN] METHOD FOR PREPARING INDOLENAPHTHOPYRANS<br/>[FR] PROCÉDÉ DE PRÉPARATION D'INDOLENAPHTOPYRANES
申请人:TRANSITIONS OPTICAL LTD
公开号:WO2020126033A1
公开(公告)日:2020-06-25
Provided is a synthetic intermediate for the preparation of photochromic indolenaphthopyran compounds having the core skeletal structure of Formula (I): wherein m is 0 to 4, n is 0 to 4, R1 and R2 are each independently hydroxyl, cyano, (meth)acrylate, amino, halo, substituted or unsubstituted alkyl, boronic ester, boronic acid, polyether, polyester, polycarbonate, polyurethane, substituted or unsubstituted aryl, substituted or unsubstituted heterocycloaryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted alkoxy, substituted or unsubstituted aryloxy, substituted or unsubstituted alkylthio, substituted or unsubstituted arylthio, ketone, aldehyde, ester, carboxylic acid, carboxylate, amide, carbonate, carbamate, urea, siloxane, alkoxysilane, or polysiloxane; R3 is substituted or unsubstituted 2-pyridyl or substituted or unsubstituted 2-quinolyl; and R4 is hydrogen, substituted or unsubstituted alkyl, alkoxymethyl, substituted or unsubstituted silyl, or acyl. Also provided is a process for producing an indolenaphthol compound which includes cyclizing the phenylnaphthol compound of Formula (I) in the presence of a catalyst.
提供了一种合成中间体,用于制备具有式(I)核心骨架结构的光致变色
吲哚萘吡喃化合物,其中m为0至4,n为0至4,R1和R2分别独立为羟基、
氰基、(甲基)
丙烯酸酯、
氨基、卤素、取代或未取代的烷基、
硼酯、
硼酸、聚醚、聚酯、聚
碳酸酯、聚
氨酯、取代或未取代的芳基、取代或未取代的杂环芳基、取代或未取代的杂芳基、取代或未取代的烷氧基、取代或未取代的芳氧基、取代或未取代的烷
硫基、取代或未取代的芳
硫基、酮、醛、酯、
羧酸、
羧酸酯、酰胺、
碳酸酯、
氨基甲酸酯、
脲、
硅氧烷、烷氧基
硅烷或聚
硅氧烷;R3为取代或未取代的2-
吡啶基或取代或未取代的2-
喹啉基;R4为氢、取代或未取代的烷基、烷氧甲基、取代或未取代的
硅基或酰基。还提供了一种制备
吲哚萘酚化合物的方法,包括在催化剂存在下使式(I)的苯基
萘酚化合物环化。