217972-87-7Relevant articles and documents
PROCESS FOR THE RESOLUTION OF (R,S)-DIAZEPANE AND DIAZEPANONE DERIVATIVES
-
, (2016/04/05)
The present invention relates to a process for the preparation of an acid salt (T) of a compound of formula (A) (A) as well as to the acid salt (T) and the compound (A) as such,wherein R1 is selected from the group consisting of H, PG1 and RA, with RA being or and wherein PG1 is a suitable protecting group, and wherein n is 0 or 1, wherein the acid salt (T) is the salt of one stereoisomer of a chiral acid, preferably wherein the chiral acid salt is a tartaric acid derivative salt, preferably wherein the tartaric acid derivative salt is selected from the group consisting of 2,3-ditoluoyl tartaric acid salt, 2,3-dibenzoyl tartaric acid salt, 2,3-dianisoyl tartaric acid salt, 2,3-dibenzoyl tartaric acid mono(dimethylamide) salt and a mixture of two or more thereof. Further the present invention relates to use of (T) and/or (A) for the preparation of suvorexant.
Substituted diazepan orexin receptor antagonists
-
Page/Page column 14-15, (2008/12/05)
The present invention is directed to substituted diazepan compounds which are antagonists of orexin receptors, and which are useful in the treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which orexin receptors are involved.