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Publication 169
- Synthesis of Spiro Ketals, Orthoesters, and Orthocarbonates by CpRu-Catalyzed Decomposition of α-Diazo-β-ketoesters
Cecilia Tortoreto, Thierry Achard, Léo Egger, Laure Guénée, Jérôme Lacour
Org. Lett. 2016, 18, 240-243
Reactions of α-diazo-β-ketoesters with cyclic ketones, lactones and carbonates are reported. Thanks to the combined use of salt [CpRu(CH3CN)3][BArF] and 1,10-phenanthroline as catalyst for the diazo decomposition, effective and practical syntheses of spiro bicyclic ketals, orthoesters and orthocarbonates are afforded.
DOI: 10.1021/acs.orglett.5b03380
open archive unige:79450