Benzodeazaadenine derivative base and electronic material containing the same
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United States of America Patent
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Apr 17, 2007
Grant Date -
Jun 30, 2005
app pub date -
Aug 15, 2002
filing date -
Mar 20, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A nucleic acid base for hole transportation in DNAs which does not cause oxidative decomposition; and an artificial DNA molecule which can realize effective hole transportation in DNAs while maintaining the double spiral structure of the DNAs. Provided are: a nucleic acid which contains a benzodeazaadenine derivative base represented by the general formula (I): ##STR00001## (wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 each independently represents hydrogen, amino, mono (lower alkyl) amino, di (lower alkyl) amino, hydroxy, lower alkoxy, halogeno, cyano, mercapto, lower alkylthio, or aryl; and R.sub.7 and R.sub.8 each independently represents hydrogen or a group bonded to phosphoric acid); and a polynucleotide comprising the nucleic acid.
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