A process for producing chromenes intended for the preparation of thermosetting resins, includes converting an aromatic propargyl ether of general formula (I) into a chromene by homogeneous catalysis with copper salts in anisole at a temperature between 100 and 170° C. Moreover, a process for preparing a material made of thermoset resin, includes successively a) carrying out the above process; b) polymerizing the reaction product obtained in a) so as to obtain the material made of thermoset resin; c) recovering the material made of thermoset resin obtained in b).
生产用于制备热固性
树脂的咔喷啉的方法包括将一般式(I)的芳香
丙炔醚通过在
苯甲醚中与
铜盐进行均相催化,在100至170°C的温度下转化为咔喷啉。此外,制备热固性
树脂材料的方法包括依次进行以下步骤:a) 执行上述过程;b) 聚合步骤a)中得到的反应产物,以获得热固性
树脂材料;c) 回收步骤b)中获得的热固性
树脂材料。