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. 2013 Feb 1;15(3):636-8.
doi: 10.1021/ol303460u. Epub 2013 Jan 23.

Photoinduced electron transfer promoted radical ring expansion and cyclization reactions of α-(ω-carboxyalkyl) β-keto esters

Keisuke Nishikawa  1 , Tomoki Ando, Kousuke Maeda, Toshio Morita, Yasuharu Yoshimi
Affiliations

Photoinduced electron transfer promoted radical ring expansion and cyclization reactions of α-(ω-carboxyalkyl) β-keto esters

Keisuke Nishikawa et al. Org Lett. .

Abstract

Photoinduced electron transfer (PET) promoted decarboxylation of α-(ω-carboxyalkyl) β-keto esters undergoes radical ring expansion and cyclization reactions. This mild and environmentally friendly method can provide one-carbon expanded γ-keto esters and bicyclic alcohols, and the product distribution is strongly dependent on the length of the alkyl chain containing the terminal carboxylate group.

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