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Regioselectivity of the halolactonization of γ,δ-unsaturated acids |
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| Authors: | Barry B. Snider Madeline I. Johnston |
| Affiliation: | Department of Chemistry, Brandeis University Waltham, MA 02254 U.S.A. |
| Abstract: | Bromolactonization of 4-hexenoic acids gives a greater percentage of δ-lactones than does iodolactonization. Substituents in the 3-position favor the formation of δ-lactones while substituents in the 6-position favor the formation of γ-lactones. |
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