Synthesis and ring expansions of functionalized spirocyclobutanones |
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| Authors: | Maulide Nuno Markó István E |
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| Affiliation: | Département de Chimie, Université catholique de Louvain, 1 Place Louis Pasteur, 1348 Louvain-la-Neuve, Belgium. |
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| Abstract: | The first condensations between bis(trimethylsilyloxy)cyclobutene derivatives and functionalized orthoesters are reported. The resulting adducts are readily converted into spirocycloethers, which undergo a variety of -CH2- and -O- insertions with excellent regioselectivity. |
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