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Chemoselective synthesis of δ-lactones via benzyl radical cyclization utilizing K2S2O8–CuCl2 |
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| Authors: | NO Mahmoodi K Tabatabaeian M Kosari S Zarrabi |
| Institution: | Department of Chemistry, Faculty of Science, University of Guilan, Rasht, P. O. Box 1914, Iran |
| Abstract: | Direct chemoselective oxidation of δ-lactones via highly stable benzyl radical cyclization is reported. The one-pot conversion of premade substituted 5-aryl pentanoic acid and 8-benzyl-1-naphthoic acid in the presence of K2S2O8–CuCl2 results to the δ-lactones in moderate to good yields. The advantages of this methodology is using water as a solvent and utilizing available starting materials. |
| Keywords: | δ -Lactones Benzyl radical Chemoselective oxidation K2S2O8– CuCl2 |
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