C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 475/00 (2006.01)
Patent
CA 2588857
The invention relates to a method for producing the annelated piperazin-2-one derivatives of general formula (I), wherein R1 to R5, A1 and A2 are defined as in the claims and the description. The invention especially relates to the production of 7,8-dihydro-5H-pteridin-6-one derivatives.
La présente invention concerne un procédé pour produire des dérivés de pipérazine-2-one recuits de formule générale (I), dans laquelle les radicaux R1 à R5, A1 et A2 ont les significations énoncées dans les revendications et dans la description, notamment un procédé pour produire des dérivés de 7,8-dihydro-5H-ptéridine-6-one.
Duran Adil
Linz Guenter
Boehringer Ingelheim International Gmbh
Fetherstonhaugh & Co.
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