申请人:UNIVERSIDADE DE EVORA
公开号:US10208001B2
公开(公告)日:2019-02-19
The present application provides a one-pot catalytic process which involves the formation of 1,4-dibenzodiazepines from o-haloaldimines (either pre-formed or formed in situ) of formula (I) and o-haloanilines of formula (II) via a palladium catalyzed Buchwald-Hartwig reaction and a cyclization sequence, to afford the 1,4-dibenzodiazepine products of formula (III). The present application describes the preparation of the 1,4-dibenzodiazepine products of formula (III) from simple commercial raw materials by efficient processes.
本申请提供了一种一锅催化工艺,包括通过钯催化的布赫瓦尔德-哈特维格反应和环化顺序,由式(I)的邻卤亚胺(预形成或原位形成)和式(II)的邻卤苯胺形成1,4-二苯并二氮杂卓,得到式(III)的1,4-二苯并二氮杂卓产品。本申请介绍了通过高效工艺从简单的商业原料中制备式(III)的 1,4-二苯并二氮杂卓产品。