DNA alkylation promoted by an electron-rich quinone methide intermediate
Chengyun Huang1,2,Steven E. Rokita1,3,*()
1. Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742, USA 2. Sichuan Institute of Geological Engineering Investigation, Chengdu 610072, China 3. Department of Chemistry, Johns Hopkins University, Baltimore, MD 21218, USA
Biological application of conjugates derived from oligonucleotides and quinone methides have previously been limited by the slow exchange of their covalent self-adducts and subsequent alkylation of target nucleic acids. To enhance the rates of these processes, a new quinone methide precursor with an electron donating substituent has been prepared. Additionally, this substituent has been placed para to the nascent exo-methylene group of the quinone methide for maximum effect. A conjugate made from this precursor and a 5'-aminohexyloligonucleotide accelerates formation of its reversible self-adduct and alkylation of its complementary DNA as predicted from prior model studies.
. [J]. Frontiers of Chemical Science and Engineering, 2016, 10(2): 213-221.
Chengyun Huang,Steven E. Rokita. DNA alkylation promoted by an electron-rich quinone methide intermediate. Front. Chem. Sci. Eng., 2016, 10(2): 213-221.
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