| abstract |
The invention relates to amino acid derivatives of the general formula I DOLLAR F1 and their pharmaceutically acceptable salts, wherein the radicals R · 1 ·, R · 2 ·, A and G have the meanings given in DOLLAR A description, as well as their preparation and use. The new compounds have NPY agonistic and / or NPY antagonistic properties. DOLLAR A Another aspect of the invention relates to novel starting compounds of general formula IIa, DOLLAR F2 wherein R x DOLLAR F3 or DOLLAR F4 and DOLLAR A A, Q, U and n are as defined in the description. |