[EN] SOME 2-PYRAZINONE DERIVATIVES AND THEIR USE AS INHIBITORS OF NEUTROPHILE ELASTASE [FR] CERTAINS DÉRIVÉS DE 2-PYRAZINONE ET LEUR UTILISATION COMME INHIBITEURS D'ÉLASTASE DES NEUTROPHILES
[EN] SOME 2-PYRAZINONE DERIVATIVES AND THEIR USE AS INHIBITORS OF NEUTROPHILE ELASTASE<br/>[FR] CERTAINS DÉRIVÉS DE 2-PYRAZINONE ET LEUR UTILISATION COMME INHIBITEURS D'ÉLASTASE DES NEUTROPHILES
申请人:ASTRAZENECA AB
公开号:WO2009061271A1
公开(公告)日:2009-05-14
The invention provides certain novel 6-heteroaryl-5-methyl-3- oxo-4- [3 (trif luoromethyl) phenyl] -3,4-dihydropyrazine-2- carboxamide derivatives and pharmaceutically acceptable salts thereof and particular Forms thereof; together with processes for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitord of human neutrophil elastase.
The invention provides compounds of formula
wherein R1, R3, R4, R5, R6, R7, L, X and Y are as defined in the specification; together with processes and intermediates for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitors of human neutrophil elastase.
Crystalline Forms of 6-[2-(4-cyano-phenyl)-2H-pyrazol-3-yl]-5-methyl-3-oxo-4-(3-trifluoromethyl-phenyl)-3,4-dihydro-pyrazine-2-carboxylic acid ethylamide are disclosed together with processes for preparing the Forms, pharmaceutical compositions comprising the Forms, and the use of the Forms in therapy.
The invention provides compounds of formula
wherein R
1
, R
3
, R
4
, R
5
, R
6
, R
7
, L, X and Y are as defined in the specification; together with processes and intermediates for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitors of human neutrophil elastase.