Synthesis, reactions and DNA damaging abilities of 10-membered enediyne-sulfone and related compounds
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Add time:08/29/2019 Source:sciencedirect.com
The synthesis and Myers–Saito type cycloaromatization reactions of 10-membered enediynes containing a sulfone or a sulfoxide moiety are described. These enediynes cycloaromatized smoothly under physiological conditions to generate bioactive α,3-didehydrotoluene biradicals, that showed potent DNA damaging abilities. Further, in the presence of a nucleophile such as amine or sulfide, cycloaromatization did not occur following the radical reaction pathway but ionically induced cycloaromatization took place.
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