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Selective 1:2 Coupling of Aldehydes and Allenes with Control of Regiochemistry

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  • This work was supported in part by MEXT (Grant-in-Aid for Scientific Research on Innovative Areas Nos. 22105005 and 22106520, Young Scientists (A) No. 23685019) and Asahi Glass Foundation. T.T. is grateful for a Research Fellowship from the JSPS for Young Scientists.

Abstract

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Die Gegenionen haben das Sagen: Die Rhodium(I)-katalysierte Titelreaktion lieferte β,γ-Dialkylidenketone (siehe Schema, cod=Cyclooctadien, nbd=Norbornadien, Tf=Trifluormethansulfonyl). Welches Konstitutionsisomer gebildet wird, hängt vom Gegenion des Rhodium(I)-Komplexes ab.

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