| abstract |
The invention provides a compound of structure (I): wherein X is S, O or NR N , where R N is H or alkyl; L is a linker group; Q is a group capable of binding with dsDNA; G and G′ are, independently, absent or have between 1 and 20 main chain atoms; FG is a functional moiety comprising at least one O or N atom or a transition metal complex; and R is selected from the group consisting of H, alkyl, alkoxy or OCR a R b coupled to an atom in L so as to form a six-membered ring. R a and R b are independently H or optionally substituted alkyl. |