申请人:Covestro Deutschland AG
公开号:EP4026837A1
公开(公告)日:2022-07-13
The invention relates to a process for the synthesis of chiral diamines based on renewable resources. More specifically the invention provides a process for synthesis of diaminoisoidide, diaminoisosorbide, and diaminoisomannide, more specifically 2,5-diamino-2,5-dideoxy-1,4:3,6-dianhydrohexitols.
本发明涉及一种利用可再生资源合成手性二胺的工艺。更具体地说,本发明提供了一种合成二氨基异内酯、二氨基异硼酸内酯和二氨基异甘露内酯的工艺,更具体地说是 2,5-二氨基-2,5-二脱氧-1,4:3,6-二脱氢己糖醇的工艺。