[EN] PROCESS FOR PREPARING CLOBAZAM USING NOVEL INTERMEDIATES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE CLOBAZAM À L'AIDE DE NOUVEAUX INTERMÉDIAIRES
申请人:AMNEAL PHARMACEUTICALS COMPANY GMBH
公开号:WO2016193482A1
公开(公告)日:2016-12-08
Processes for preparation of 7-chloro-1-methyl-5-phenyl-1,5-dihydro- benzo[b][1,4]diazepine-2,4-dione (Clobazam) are provided. The present invention also relates to the novel intermediates and its use in preparation of clobazam.
The present invention provides for compounds of formula (I)
wherein A
2
, L
2
, R
1g
, R
2A
, R
3A
, R
4A
, R
1a
, R
1b
, q1, and z are as defined in the specification, are prodrugs of CB
2
receptors ligands and as such are useful in the prevention and treatment of various diseases and conditions including, but not limited to, pain.
decarboxylative aldol reaction between malonic acid half-oxyesters and various carbonyls with carboxylate assistance was developed, affording structurally diverse β-hydroxy esters with good yields and enantioselectivities under mild conditions. Importantly, the broad substrate scope of this methodology enabled rapid accesses to several natural products and their analogues as exemplified by phenylpropanoid, phaitanthrin
The present invention provides an agent for the prophylaxis or treatment of diabetes, which has a superior hypoglycemic action, and is associated with a fewer side effects such as body weight gain and the like.
The present invention relates an agent for the prophylaxis or treatment of diabetes, which comprises a compound represented by
wherein each symbol is as defined in the description, or a salt thereof or a prodrug thereof.
[DE] VERFAHREN ZUR HERSTELLUNG HETEROCYCLISCHER QUARTÄRER AMMONIUM- UND/ODER GUANIDINIUM-VERBINDUNGEN<br/>[EN] METHOD FOR PRODUCING HETEROCYCLIC QUATERNARY AMMONIUM AND/OR GUANIDINIUM COMPOUNDS<br/>[FR] PROCEDE POUR PRODUIRE DES COMPOSES AMMONIUM ET/OU GUANIDINIUM QUATERNAIRES HETEROCYCLIQUES
申请人:BASF AG
公开号:WO2006027069A1
公开(公告)日:2006-03-16
Verfahren zur Herstellung eines, ein heterocyclisches quartäres Ammonium- und/oder Guanidinium-Kation enthaltenden Zwischenprodukts für die Synthese heterocyclischer quartärer Ammonium- und/oder Guanidinium-Verbindungen, bei dem man heterocyclische quartäre Ammonium- und/oder Guanidinium-carboxylate mit einem oxidierenden Agens in Gegenwart eines Metalls aus der 8. bis 10. Gruppe des Periodensystems bei einer Temperatur von 0 bis 250°C und einem Druck von 0,05 bis 20 MPa abs oxidiert.