Ionic liquid promoted simple and efficient synthesis of β-enamino esters and β-enaminones from 1,3-dicarbonyl compounds One-pot, three-component reaction for the synthesis of substituted pyridines
A new protocol for the synthesis of various 1,2,3,4-tetrasubstituted 1,4-dihydropyridines from enamino or carbonylic derivatives promoted by Mg(ClO4)2 is presented.
Brønsted acidscatalyze the addition of β-enaminoacrylates to α,β-unsaturated aldehydes leading to substituted dihydropyridines in moderate to good yields under mild conditions. The first example of an enantioselective synthesis of a dihydropyridine is also reported.
Zn(ClO 4 ) 2 .6H 2 O proved to be a very powerfulcatalyst for the condensation of primary and secondary amines with β-ketoesters to give N-substituted β-enaminoesters.
The present invention relates to compounds useful in therapy, in particular in the treatment of psychosis, to compositions comprising said compounds, and to methods of treating diseases comprising the administration of said compounds.
[EN] PYRIDONE DERIVATIVES AS NK3 ANTAGONISTS<br/>[FR] DÉRIVÉS DE PYRIDONE ANTAGONISTES DE NK3
申请人:LUNDBECK & CO AS H
公开号:WO2011072691A1
公开(公告)日:2011-06-23
The present invention relates to compound of formula (I) useful in therapy, in particular in the treatment of psychosis, to compositions comprising said compounds, and to methods of treating diseases comprising the administration of said compounds.