Patent ID: 7446186

Claim:
A pyrrole substituted with an oligonucleotide corresponding to general formula (I): where: R 1 represents an oligonucleotide, Y represents S or O, X represents a spacer arm chosen from —(CH 2 ) n —O—, —(CH 2 ) p —O—[(CH 2 ) 2 —O] q —, —(CH 2 ) r —CO—NR′—(CH 2 ) r′ —O—, —(CH 2 ) r —NCH 3 —(CH 2 ) r′ —O—, —(CH 2 ) r —CO—NR′—[(CH 2 ) 2 —O] s —, —(CH 2 ) r —NCH 3 —[(CH 2 ) 2 —O] s —, R′ represents —H or —CH 3 , n is an integer from 1 to 5, p is an integer from 1 to 2, q is an integer from 1 to 4, r is an integer from 1 to 3, r′ is an integer from 1 to 3, s is an integer from 1 to 3, n, p, q, r, r′ and s are identical or different, and the pyrrole ring is substituted in the 2-, 3-, 4- or 5-position.