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0002267777
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(a) Kolthoff, I. M.; Chantooni, M. K.; Bhowmik, S. J. Am. Chem. Soc. 1968, 90, 23;
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4
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Eugene, F.; Langlois, B.; Laurent, E. J. Fluorine Chem. 1994, 66, 301.
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Eugene, F.1
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5
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0141567258
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For a related example of O-methylation of acetone dicarboxylic acid anhydride, see
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For a related example of O-methylation of acetone dicarboxylic acid anhydride, see: Ray, J. A.; Harris, T. M. Tetrahedron Lett. 1982, 23, 1971.
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Tetrahedron Lett.
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Ray, J.A.1
Harris, T.M.2
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7
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0000607112
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(b) Hendrickson, J. B.; Bair, K. W.; Skipper, P. L.; Sternbach, D. D.; Wareing, J. Org. Prep. Proced. Int. 1977, 9, 173;
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Hendrickson, J.B.1
Bair, K.W.2
Skipper, P.L.3
Sternbach, D.D.4
Wareing, J.5
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9
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79959267660
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note
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Sodium trifluoromethanesulfinate was purchased from TCI America and used as received.
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10
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79959213193
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note
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Trimethylsilyldiazomethane was purchased from Aldrich Chemical Corp. as a 2 M solution in diethyl ether and used as received.
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11
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79959210493
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note
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E/Z stereochemistry of 3 was not assigned but the isomer ratio was found to be 1.8:1.
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13
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84943704894
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(b) Evans, D. A.;Takacs, J. M.; McGee, L. R.; Ennis, M. D.; Mathre, D. J.; Bartroli, J. Pure Appl. Chem. 1981, 53, 1109.
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Evans, D.A.1
Takacs, J.M.2
McGee, L.R.3
Ennis, M.D.4
Mathre, D.J.5
Bartroli, J.6
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14
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33744527842
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Pravst, I.; Zupan, M.; Stavber, S. Tetrahedron Lett. 2006, 47, 4707.
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Pravst, I.1
Zupan, M.2
Stavber, S.3
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15
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33947456919
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For a related preparation of ketone 22, see
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For a related preparation of ketone 22, see: Wagner, R. B.; Moore, J. A. J. Am. Chem. Soc. 1950, 72, 2884.
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J. Am. Chem. Soc.
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Wagner, R.B.1
Moore, J.A.2
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16
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0001770782
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For two examples of cyclic a-perhalosulfonyl ketones exhibiting keto-enol tautomerism, see
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For two examples of cyclic a-perhalosulfonyl ketones exhibiting keto-enol tautomerism, see: (a) Kobayashi, Y.; Yoshida, T.; Kumadaki, I. Tetrahedron Lett. 1979, 3865;
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(1979)
Tetrahedron Lett.
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Kobayashi, Y.1
Yoshida, T.2
Kumadaki, I.3
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19
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84960508081
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Trimethylsilyldiazomethane
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Wiley-InterScience, Posted September 15, accessed March 2, 2011
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Trimethylsilyldiazomethane. e-Encyclopedia of Reagents for Organic Synthesis [Online]; Wiley-InterScience, Posted September 15, 2006. http://www.mrw.interscience.wiley.com/eros/articles/rt298/frame.html (accessed March 2, 2011).
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(2006)
e-Encyclopedia of Reagents for Organic Synthesis [Online]
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20
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79959200590
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note
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See Supplementary data for full experimental details.
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21
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0025364262
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1,3-interactions, see
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1,3-interactions, see: Evans, D. A.; Clark, J. S.; Metternich, R.; Novack, V. J.; Sheppard, G. S. J. Am. Chem. Soc. 1990, 112, 866.
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Evans, D.A.1
Clark, J.S.2
Metternich, R.3
Novack, V.J.4
Sheppard, G.S.5
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22
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77956450521
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For recent reviews on donor-acceptor cyclopropanes, see
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For recent reviews on donor-acceptor cyclopropanes, see: (a) Lebold, T. P.; Kerr, M. A. Pure App. Chem. 2010, 82, 1797;
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(2010)
Pure App. Chem.
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Lebold, T.P.1
Kerr, M.A.2
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