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0343955844
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thesis, University of Pennsylvania, Philadelphia
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O'Gara, J.E.1
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18
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0343955846
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note
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Selected spectroscopic data for derivatives 2, 3, 4, and 10 are available at Science Online (33).
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19
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0343520051
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note
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The single-crystal x-ray diffraction studies for 2 and 6 will be published elsewhere.
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22
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11944273856
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1,2-F migration leading to the corresponding alkene has been observed for transient singlet halogeno(trifluoromethyl)carbenes [J. E. O'Gara and W. P. Dailey, J. Am. Chem. Soc. 114, 3581 (1992)]; moreover, C-fluorinated phosphorus ylides are known to rearrange into the corresponding phosphacumulene by 1,2-F migration from carbon to phosphorus [ K. G. Sharp and I. Schwager, Inorg. Chem. 15, 1697 (1976)].
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(1992)
J. Am. Chem. Soc.
, vol.114
, pp. 3581
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O'Gara, J.E.1
Dailey, W.P.2
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23
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0039105849
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1,2-F migration leading to the corresponding alkene has been observed for transient singlet halogeno(trifluoromethyl)carbenes [J. E. O'Gara and W. P. Dailey, J. Am. Chem. Soc. 114, 3581 (1992)]; moreover, C-fluorinated phosphorus ylides are known to rearrange into the corresponding phosphacumulene by 1,2-F migration from carbon to phosphorus [ K. G. Sharp and I. Schwager, Inorg. Chem. 15, 1697 (1976)].
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(1976)
Inorg. Chem.
, vol.15
, pp. 1697
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Sharp, K.G.1
Schwager, I.2
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25
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0040289842
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Stuttgart, New York
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The reaction of transient dihalogenocarbenes with phosphines is a preparative method for C-dihalogeno phosphorus ylides [H. J. Bestmann and R. Zimmermann, Methoden der Organischen Chemie Organischen Chemie (Houben-Weyl), vol. E1 (Stuttgart, New York, 1982), pp. 616-618; A. W. Johnson et al., in Ylides and Imines of Phosphorus, A. W. Johnson, Ed. (Wiley-Interscience, New York, 1993), pp. 115-116].
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(1982)
Methoden der Organischen Chemie Organischen Chemie (Houben-Weyl)
, vol.E1
, pp. 616-618
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Bestmann, H.J.1
Zimmermann, R.2
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26
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0039697995
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A. W. Johnson, Ed. Wiley-Interscience, New York
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The reaction of transient dihalogenocarbenes with phosphines is a preparative method for C-dihalogeno phosphorus ylides [H. J. Bestmann and R. Zimmermann, Methoden der Organischen Chemie Organischen Chemie (Houben-Weyl), vol. E1 (Stuttgart, New York, 1982), pp. 616-618; A. W. Johnson et al., in Ylides and Imines of Phosphorus, A. W. Johnson, Ed. (Wiley-Interscience, New York, 1993), pp. 115-116].
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(1993)
Ylides and Imines of Phosphorus
, pp. 115-116
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Johnson, A.W.1
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30
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0343083905
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in press
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3 and 3), the results can be rationalized in terms of secondary orbital interaction control. See S. Goumri-Magnet, T. Kato, H. Gornitika, A. Baceiredo, G. Bertrand, J. Am. Chem. Soc., in press.
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J. Am. Chem. Soc.
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Goumri-Magnet, S.1
Kato, T.2
Gornitika, H.3
Baceiredo, A.4
Bertrand, G.5
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31
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0343520049
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note
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Various transient trifluoromethylcarbenes are known to insert into silicon-hydrogen bonds (16).
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33
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0343955843
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note
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Crystal data for 10 are available at Science Online (33).
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34
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0343520048
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note
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13C NMR signals corresponding to C3, C5, and C7, which appear at high field, whereas those for C4 and C6 are more deshielded (18).
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35
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0343520047
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For supplementary data, see www.sciencemag.org/ feature/data/1048933.shl.
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36
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0343083903
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note
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We are grateful to the CNRS for financial support of this work.
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