| abstract |
The present invention relates to a compound having formula (I): wherein: - X is in particular 125 I Or 211 At; - R 1 and R' 1 are independently from each other chosen preferably from the group consisting of electron-withdrawing groups and alkyl groups; - R 2 is chosen from the group consisting of : H, alkyl groups, functional groups being able to bind a vector, and functional groups having targeting properties which make the compound of the invention a vector itself; - Z is a heteroatom, - R 5 , R 8 and R 9 are preferably H; - Y is preferably an electron withdrawing group. |