| abstract |
The present invention relates to nitrooxyderivatives or salts thereof having the following general formula (I): n R—NR 1c —(K) k0 —(B) b0 —(C) c0 —NO 2 (I) n whereinn nc0, b0 and k0 are 0 or 1;n nR is the radical of an analgesic drug for chronic pain, for instance neurophatic pain;n nR 1c is H or alkyl with from 1 to 5 carbon atoms;n nB is such that its precursor is selected from amino acids, hydroxy acids, polyalcohol, compounds;n nC is a bivalent radical containing an aliphatic, heterocyclic or aromatic radical. |