Phosphonium-borate zwitterions, anionic phosphines, and dianionic phosphonium-dialkoxides via tetrahydrofuran ring-opening reactions |
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| Authors: | Welch Gregory C Masuda Jason D Stephan Douglas W |
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| Affiliation: | Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario, Canada N9B 3P4. |
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| Abstract: | Sterically demanding secondary phosphines and phosphides react with (THF)B(C(6)F(5))(3) (THF = tetrahydrofuran) to give the THF ring-opened compounds [R(2)PHC(4)H(8)OB(C(6)F(5))(3)] and [Mes(2)PC(4)H(8)OB(C(6)F(5))(3)Li(THF)(2)] (Mes = C(6)H(2)Me-2,4,6). These reactions also occur consecutively to give the double THF ring-opened compounds [Mes(2)P(C(4)H(8)OB(C(6)F(5))(3))(2)][Li(THF)(4)] and [t-Bu(2)P(C(4)H(8)OB(C(6)F(5))(3))(2)Li]. |
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