Interaction of naphthyl heterocycles with DNA: Effects of thiono and thio groups

  • Xuhong Qian*
  • , Tian Bao Huang
  • , Dong Zhi Wei
  • , Dong Hui Zhu
  • , Ming Cai Fan
  • , Wei Yao
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

The intercalation and photocleavage of DNA by N-[β-(N′,N′-dimethylamino)ethyl]dithiono-1,8-naphthalimide (2) were extremely effective compared to the use of the oxygen-containing counterpart (1). Their photocleavage action under 366 nm UV light is proposed to proceed by electron transfer from bases to the triplet state of the naphthalimides. The enhancement of the intercalation of DNA and the photocleavage of DNA were also observed for other compounds possessing a thiono or thio group compared with their oxygen-containing counterparts.

Original languageEnglish
Pages (from-to)715-718
Number of pages4
JournalJournal of the Chemical Society. Perkin Transactions 2
Issue number4
DOIs
StatePublished - Apr 2000
Externally publishedYes

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