Synthesis of DNA conjugates with metalated tetracationic porphyrins by postsynthetic cycloadditions.

Synthesis of DNA conjugates with metalated tetracationic porphyrins by postsynthetic cycloadditions.
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通过后环加成合成金属化四阳离子卟啉的 DNA 缀合物

DOI:
10.1021/ol500364j
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发表时间:
2014
期刊:
影响因子:
5.2
通讯作者:
H.-A. Wagenknecht
H.-A. Wagenknecht
中科院分区:
化学1区
文献类型:
--
作者:
C. Wellner;H.-A. Wagenknecht

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用Cu(II)或Au(III)金属化的TMPP(meso-四-(4-N-甲基吡啶基)卟啉)型的四阳离子卟啉与寡核苷酸共价缀合。Cu(I)催化的环加成反应(叠氮和乙炔基之间)和Diels-Alder环加成反应(呋喃和马来酰亚胺官能团之间)被成功地用作两种替代的合成后方法来修饰内部尿苷的2′-位。比较了熔融温度和UV/维斯吸收性能。CD测量表明,共轭化学的类型决定了所附的和带正电荷的卟啉的嵌入等级。
Tetracationic porphyrins of the TMPP (meso-tetra-(4-N-methylpyridyl)porphyrin) type, metalated with Cu(II) or with Au(III), were conjugated covalently to oligonucleotides. The Cu(I)-catalyzed cycloaddition (between an azide and an ethynyl group) and the Diels–Alder cycloaddition (between a furan and a maleimide functionality) were successfully applied as two alternative postsynthetic methods to modify the 2′-position of an internal uridine. Melting temperatures and UV/vis absorption properties were compared. CD measurements indicated that the type of conjugation chemistry determines the grade of intercalation of the attached and positively charged porphyrins.
掺入 DNA 中的卟啉 C-核苷。
DOI: 10.1021/ol0267376
发表时间: 2002
期刊: Organic letters
影响因子: 5.2
作者:
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发表时间: 2010
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