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. Author manuscript; available in PMC: 2008 Oct 1.
Published in final edited form as: Curr Opin Chem Biol. 2007 Sep 18;11(5):553–560. doi: 10.1016/j.cbpa.2007.08.002

Figure 1.

Figure 1

Halogenations with halide anions. (A) Halide ions as nucleophiles toward carbon electrophiles: Streptomyces cattleya fluorinase [40]. (B) Non-enzymatic halogenation via trapping of p-benzyne biradical intermediate in Bergman cyclization of marine enediynes [29].