Alabugin Igor V, Manoharan Mariappan, Kovalenko Serguei V
Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, USA.
Org Lett. 2002 Apr 4;4(7):1119-22. doi: 10.1021/ol0255054.
[reaction: see text] The Bergman cyclization of benzannelated enediynes is highly sensitive to ortho substitution. This finding opens possibilities for the rational design of conformer-specific and pH-dependent DNA-cleaving agents.