| 摘要 |
Polyamide-oligonucleotide derivatives of the formula F¢(DNA-Li)q(PNA-Li)r(DNA-Li)s(PNA)t!yF' wherein q, r, s, t are, independently of one another, zero or 1, where the total of two or more adjacent q, r, s and t ? 2; x is 1 to 20; DNA is a nucleic acid such as DNA or RNA or a known derivative thereof; Li is a covalent linkage between DNA and PNA, where the covalent linkage comprises a bond or an organic radical with at least one atom from the series consisting of C, N, O or S; PNA is a polyamide structure which contains at least one nucleotide base which is different from thymine; and F and F' are end groups and/or are linked together by a covalent bond, and the physiologically tolerated salts thereof, a process for their preparation and their use as pharmaceutical, as gene probe and as primer, are described.
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