Sk. Chaturvedi et Rl. Letsinger, STABILIZATION OF DEOXYADENOSINE POLYNUCLEOTIDE COMPLEXES BY 3',5'-DI-O-BENZOYL SUBSTITUENTS/, Nucleosides & nucleotides, 17(1-3), 1998, pp. 585-592
3',5'-Di-O-benzoyldeoxyadenosine forms stable dT:dA:dT type complexes
with poly(dT) and an oligo(dT)-cholesteryl conjugate in dilute aqueous
solution. The benzoyl groups play an essential role in stabilizing th
ese ''triple stranded'' complexes.