Radical-mediated anti-Markovnikov hydrophosphonation of olefins |
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| Authors: | Daeffler Christopher S Grubbs Robert H |
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| Institution: | Division of Chemistry and Chemical Engineering, California Institute of Technology, MC 164-30, Pasadena, California 91125, USA. |
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| Abstract: | The radical-mediated addition of triphenylphosphonium tetrafluoroborate to olefins (hydrophosphonation) is reported. Both standard radical initiators and photochemical conditions are effective, up to the gram scale. The phosphonium salts are shown to serve as Z-selective Wittig olefination reagents, even without purification. |
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