申请人:Covestro Deutschland AG
公开号:EP3604370A1
公开(公告)日:2020-02-05
A catalyst for the synthesis of oxazolidinones, preferable polyoxazolidinones, comprising an N-heterocyclic carbene and a Lewis acid (L). The invention is also related to a process for the production of an oxazolidinone compound, preferably a polyoxazolidinone compound, by reacting an isocyanate compound, preferably a polyisocyanate compound with an epoxide compound, preferably a polyepoxide compound, in the presence of the N-heterocyclic carbene and a Lewis acid catalyst and also to the resulting polyoxazolidinone.
一种用于合成
噁唑烷
酮类化合物,最好是聚
噁唑烷
酮类化合物的催化剂,由 N-杂环碳烯和
路易斯酸(L)组成。本发明还涉及一种在 N-杂环碳烯和
路易斯酸催化剂存在下,通过
异氰酸酯化合物(最好是多
异氰酸酯化合物)与
环氧化物化合物(最好是多
环氧化物化合物)反应生产
噁唑烷酮化合物(最好是多
噁唑烷酮化合物)的工艺,以及由此得到的多
噁唑烷酮。