abstract |
patent summary: "4-methyl-2,3,5,9,9b-pentaaza-cyclopenta [a] naphthalenes". The present invention relates to 4-methyl-2,3,5,9,9b-pentaaza-cyclopenta [a] naphthalene derivatives of general formula (i) which are phosphodiesterase 2 and / or 10 inhibitors useful in the treatment of of diseases of the central nervous system and other diseases. furthermore, the invention relates to processes for preparing pharmaceutical compositions as well as processes for manufacturing the compounds according to the invention. 23717537v1 23717537v1 |