Abstract:
The invention is directed to a compound according to formula (1) wherein R 2 is fluorine, X is nitrogen or carbon and R 3 is an organic group. The invention is also directed to the use of this compound as a precursor for the preparation of a 11 C or 18 F-radio labelled compound. The radio labelled compound may be used in an in vivo diagnostic or imaging method.
Abstract:
The invention is directed to a N, N-substituted guanidine compound or a salt or solvate thereof according to formula (1), R 1 RNC(NH)NR 2 R 3 , wherein R 1 is methyl and R 2 is hydrogen. R 3 is a organic group comprising a halogen and thiomethyl substituted phenyl group. R is an organic group comprising a substituted aryl group Z wherein the substituent group is -Y-R 4 , wherein Y is a heteroatom chosen from the group consisting of O, S and N and R 4 is a fluorinated organic group.
Abstract:
The invention is directed to a compound according to formula (1) wherein R 2 is fluorine, X is nitrogen or carbon and R 3 is an organic group. The invention is also directed to the use of this compound as a precursor for the preparation of a 11 C or 18 F-radio labelled compound. The radio labelled compound may be used in an in vivo diagnostic or imaging method.