Bioorganic and Medicinal Chemistry Letters p. 2689 - 2692 (2005)
Update date:2022-08-29
Topics:
Chen, Wen-Hua
Pang, Ji-Yan
Qin, Yong
Peng, Qian
Cai, Zongwei
Jiang, Zhi-Hong
This communication describes the facile synthesis of five novel berberine dimers and their strong affinities toward double-stranded DNA. These berberine dimers were synthesized in 37-84% yields from the reaction of berberrubine with dihaloalkanes of varying lengths, and fully characterized by HRMS and 1H NMR. Compared with the monomeric parent berberine, these dimers showed greatly enhanced binding affinities up to approximately 100-fold, with two double helical oligodeoxynucleotides, d(AAGAATTCTT)2 and d(TAAGAATTCTTA)2, which was investigated by means of fluorescence spectrometry.
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