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Samarium(II)-induced ring-expansion reaction of 1,2-cyclobutanedicarboxylates to produce cyclopentanones |
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| Authors: | Ikuo Shinohara |
| Institution: | Meiji Pharmaceutical University, Noshio, Kiyose, Tokyo 204-8588, Japan |
| Abstract: | Novel ring-expansion reaction of 1,2-cyclobutanedicarboxylates with Sm(II) in the presence of HMPA with a catalytic amount of methanol was found to provide 2-oxocyclopentanecarboxylates. |
| Keywords: | Samarium and compounds Radicals and radical reactions Ring transformation Cyclobutanes Cyclopentanones |
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