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All air-and moisture-sensitive manipulations were carried out using vacuum line, Schlenk and cannula techniques or in an MBraun inert atmosphere (nitrogen) dry box unless otherwise noted. All glassware was stored in a pre-heated oven prior to use. The solvents used for airand moisture-sensitive manipulations were dried and deoxygenated using literature procedures. 1 Celite was dried at 180 °C under vacuum for 3 days prior to use. Deuterated solvents for NMR spectroscopy were distilled from sodium metal under an atmosphere of argon and stored over 4 Å molecular sieves. (R,R)-iPr DuPhosCo(CO)2H, 1, and [(R,R)-iPr DuPhosCo(CO)(μ 2 -CO)]2, 2, were prepared according to literature procedures. 2,3 (R,R)-iPr DuPhos was purchased from Strem Chemicals and used as received. All olefins, unless otherwise noted, were purchased from Sigma Aldrich and used without further purification. All olefins that are liquids at room temperature were placed over activated 4 Å molecular sieves in a thick-walled vessel. On a high vacuum line, the olefin was subjected to 3 freeze-pump-thaw cycles. The olefin was left to dry over the sieves overnight in the vessel. The next day, the olefin was subjected to seve

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Publisher

American Chemical Society (ACS)

Language

EN

Field

Chemistry (Physical Sciences)