Erhitzen von Amiloridhydrochlorid (1 • Hcl) in Acetatpuffer pH 4.6 führte zu Amiloridacetat (1 • AcOH), dem Pyrazindiamin 6 und dem Acylureid 7. Das Pteridinon 3 wurde beim Erhitzen von 1 • Hcl in DMF unter Rückfluß erhalten.
The present invention relates to compounds of the formula
and pharmaceutically acceptable salts and solvates thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds and the uses of such compounds for the treatment of pain.
Amino substituted pyrazine derivatives for the treatment of pain
申请人:Pfizer Inc.
公开号:US07572797B2
公开(公告)日:2009-08-11
The present invention relates to compounds of the formula
and pharmaceutically acceptable salts and solvates thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds and the uses of such compounds for the treatment of pain.
The present invention relates to compounds of the formula
and pharmaceutically acceptable salts and solvates thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds and the uses of such compounds for the treatment of pain.