The present invention provides a novel process for the preparation of substituted optically pure (S)-(+)- or (R)-(-)-10-hydroxy-dihydrodibenz[b,f]azepines or derivatives thereof, starting from 10,11-dihydro-10-oxo-5H-dibenz[b,f]azepines using boronate esters or their derivatives. The present invention also provides use of thus prepared (S)-(+)- or (R)-(-)- 10-hydroxy-dihydrodibenz[b,f]azepines for the preparation of their ester such as (S)-(-)- 10-acetoxy-10,11-dihydro-5H-dibenz[b,f]azepine-5-carboxamide, or (R)-(+)-10-acetoxy- 10,11-dihydro-5H-dibenz[b,f]azepine-5-carboxamide. The present invention also provides novel solid state crystalline forms J1, J2, J3, J4 and amorphous form of eslicarbazepine and the process for the preparation thereof. Also, the present invention provides novel solid state crystalline form and amorphous form of eslicarbazepine acetate and the process for the preparation thereof. The novel solid state forms of eslicarbazepine are useful for the preparation of derivatives of eslicarbazepine such as eslicarbazepine acetate.
本发明提供了一种新型的过程,用
硼酸酯或其衍
生物从10,11-二
氢-10-
氧代-5H-二
苯并[b,f]
氮杂环制备取代的光学纯(S)-(+)-或(R)-(-)-10-羟基-二
氢-二
苯并[b,f]
氮杂环或其衍
生物。本发明还提供了利用这样制备的(S)-(+)-或(R)-(-)-10-羟基-二
氢-二
苯并[b,f]
氮杂环制备它们的
酯,例如(S)-(-)-10-乙酰
氧基-10,11-二
氢-5H-二
苯并[b,f]
氮杂环-5-羧
酰胺或(R)-(+)-10-乙酰
氧基-10,11-二
氢-5H-二
苯并[b,f]
氮杂环-5-羧
酰胺。本发明还提供了新的固态晶体形式J1、J2、J3、J4和eslicarbazepine的非晶态形式及其制备过程。此外,本发明还提供了eslicarbazepine
乙酸盐的新的固态晶体形式和非晶态形式及其制备过程。eslicarbazepine的新的固态形式对于制备eslicarbazepine
乙酸盐等eslicarbazepine衍
生物非常有用。