| abstract |
The present invention relates to nitrooxyderivatives or salts thereof having the following general formula (I): R-NR1c -(K)k0-(B)b0-(C)c0-NO2 (I), wherein c0, b0 and k0 are 0 or 1; R is the radical of an analgesic drug for chronic pain, for instance neurophatic pain; R1c, is H or alkyl with from 1 to 5 carbon atoms; B is such that its precursor is selected from amino acids, hydroxy acids, polyalcohol, compounds; C is a bivalent radical containing an aliphatic, heterocyclic or aromatic radical. |