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1
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0346522107
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note
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This is paper 267 of our general series.
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2
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0012144938
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For paper 266 and a preliminary communication of the present study, see Zimmerman, H. E.; Wang, P. Org. Lett. 2002, 4, 2593-2595.
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Org. Lett.
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Zimmerman, H.E.1
Wang, P.2
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3
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0001302486
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and references therein
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(a) Zimmerman, H. E. Acc. Chem. Res. 1987, 20, 263-268 and references therein.
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Zimmerman, H.E.1
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9
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0346522106
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note
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(a) Nayori has characterized a sulfonium enolate of 1-phenyl-2-propanone obtained by reaction of a silyl enol ether with fluoride. Additionally, in a less pure form, he has similarly generated a tetrabutylammonium enolate.
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10
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0000923060
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(b) Nayori, R.; Nishida, I.; Sakata, J. J. Am. Chem. Soc. 1983, 105, 1598-1608.
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Nayori, R.1
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Sakata, J.3
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12
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0345891266
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note
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(c) Success was had despite not following the sage advice of Professor R. B. Woodward, who noted that it is wise to plan research with maximum flexibility as the end rather than a single positive or negative result at the end with no alternatives.
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13
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0347152423
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Private communication to H.E.Z
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(b) Private communication to H.E.Z.
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14
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0029920166
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(a) Smirnov, S. N.; Golubev, N. S.; Denisov, G. S.; Bendict, H.; Schah-Mohammdei, P.; Limbach, H.-H. J. Am. Chem. Soc. 1996, 118, 4094-4101.
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Limbach, H.-H.6
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(b) Golubev, N. S.; Smirnov, S. N.; Gindin, V. A.; Denisov, G. S.; Benedict, H.; Limbach, H.-H. J. Am. Chem. Soc. 1994, 116, 12055-12056.
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Golubev, N.S.1
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16
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0001744460
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Lambert, J. B.; Zhang, S.; Ciro, S. M. Organometallics 1994, 13, 2430-2443, report of a series of stable silyl cations as tetraaryl borate salts.
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Organometallics
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Lambert, J.B.1
Zhang, S.2
Ciro, S.M.3
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17
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0346522104
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note
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(a) Also, an understanding of proton transfer in carbonyl compounds is relevant to certain biochemical phenomena (note ref 10b).
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18
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0032564378
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(b) Harris, T. K.; Cole, R. N.; Comer, F. I.; Mildvan, A. S. Biochemistry 1998, 37, 16828-16838.
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Biochemistry
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Harris, T.K.1
Cole, R.N.2
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Mildvan, A.S.4
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19
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0346522105
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note
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(a) This seems to be increasingly of interest. Perhaps it is not remarkable that our 1955 concept has been rediscovered twice (refs 11b-h) and that the rediscoveries are often cited and the original work overlooked (e.g., note ref 11i).
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20
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84989433259
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(b) Gerlach, U.; Haubenreich, T.; Hünig, S.; Keita, Y. Chem. Ber. 1993, 126, 1205-1215.
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Gerlach, U.1
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Hünig, S.3
Keita, Y.4
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(c) Takano, S.; Kudo, J.; Takahashi, N.; Ogasawara, K. Tetrahedron Lett. 1986, 2405-2408.
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Takano, S.1
Kudo, J.2
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(d) Takano, S.; Uchida, W.; Hatakeyama, S.; Ogaswara, K. Chem. Lett. 1982, 733-737.
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(f) Takano, S.; Yamada, S.; Numata, H; Hatakeyama, S.; Ogasawara, K. Heterocycles 1983, 20, 2159-2162.
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Heterocycles
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Takano, S.1
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(g) Takano, S.; Tananka, M.; Seo, M.; Hirama, M.; Ogasawara, K. J. Org. Chem. 1985, 50, 931-936.
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0000219702
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Protonation of carbanions and polar double bonds
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Helmchen G., Ed., Stuttgart
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Note also Hünig, S.; Houben-Weyl, Protonation of Carbanions and Polar Double Bonds. In Methods of Organic Chemistry; Helmchen, G., Ed.; Stuttgart, 1996; Vol. E21D 7, pp 3851-3911, where the origin of the concept is not given while being the main subject of the review.
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Methods of Organic Chemistry
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Hünig, S.1
Houben-Weyl2
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Ranganathan, D.; Rao, C. B.; Ranganenthan, S.; Mehrotra, A. K.; Iyengar, R. J. Org. Chem. 1980, 45, 1185-1189.
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