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Chiral bis(1,10-phenanthroline) with Tröger’s base skeleton (1) was synthesized from 5-amino-1,10-phenanthroline with formaldehyde and HCl. Racemic 1 could interact with DNA from CD spectroscopy and could cleave DNA when it was complexed with copper(I).
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Yashima et al. (1991) studied this question.
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