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1
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For recent reviews of the 4 + 3 cycloaddition reaction, see: (a) Harmata, M. Tetrahedron 1997, 53, 6235.
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Tetrahedron
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, pp. 6235
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Harmata, M.1
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2
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0001974559
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Lautens, M., Ed.; JAI: Greenwich, CT
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(b) Harmata, M. In Advances in Cycloaddition; Lautens, M., Ed.; JAI: Greenwich, CT, 1997; Vol. 4, pp 41-86.
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(1997)
Advances in Cycloaddition
, vol.4
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Harmata, M.1
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6
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0034681560
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For some recent examples, see: (a) Stark, C. B. W.; Pierau, S.; Wartchow, R.; Hoffmann, H. M. R. Chem. Eur. J. 2000, 6, 684.
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Chem. Eur. J.
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Stark, C.B.W.1
Pierau, S.2
Wartchow, R.3
Hoffmann, H.M.R.4
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8
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(c) Lee, J. C.; Jin, S.-J.; Cha, J. K. J. Org. Chem. 1998, 63, 2804.
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J. Org. Chem.
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Lee, J.C.1
Jin, S.-J.2
Cha, J.K.3
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10
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0033525825
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(b) Harmata, M.; Jones, D. E.; Kahraman, M.; Sharma, U.; Barnes, C. L. Tetrahedron Lett. 1999, 40, 1831.
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Tetrahedron Lett.
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Harmata, M.1
Jones, D.E.2
Kahraman, M.3
Sharma, U.4
Barnes, C.L.5
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11
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0033579632
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For some examples and leading references, see: (a) Ochoa, M. R.; Arias, M. S.; Aguilar, R.; Delgado, F.; Tamariz, J. Tetrahedron 1999, 55, 14535.
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Ochoa, M.R.1
Arias, M.S.2
Aguilar, R.3
Delgado, F.4
Tamariz, J.5
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13
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(c) Creary, X.; Inocencio, P. A.; Underiner, T. L.; Kostromin, R. J. Org. Chem. 1985, 50, 1932.
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Creary, X.1
Inocencio, P.A.2
Underiner, T.L.3
Kostromin, R.4
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15
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0001595239
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(e) Ardecky, R. J.; Kerdesky, F. A. J.; Cava, M. P. J. Org. Chem. 1981, 46, 1483.
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Ardecky, R.J.1
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18
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0000147381
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(a) Sasaki, T.; Ishibashi, Y.; Ohno, M. Tetrahedron Lett. 1982, 23, 1693.
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Sasaki, T.1
Ishibashi, Y.2
Ohno, M.3
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19
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0000958253
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(b) Blackburn, C.; Childs, R. F.; Kennedy, R. A. Can. J. Chem. 1983, 61, 1981.
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Can. J. Chem.
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Blackburn, C.1
Childs, R.F.2
Kennedy, R.A.3
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22
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0038716936
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Müller S. N.; Batra, R.; Senn, M.; Giese, B.; Kisel, M.; Shadyro, O. J. Am. Chem. Soc. 1997, 119, 2795.
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Müller, S.N.1
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Senn, M.3
Giese, B.4
Kisel, M.5
Shadyro, O.6
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23
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85037500119
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note
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However, treatment of ketone 3 with TMSCl, triethylamme, and DMAP in refluxing dichloromethane gave the corresponding TMS enol ether.
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26
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85037491877
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note
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Dienes which did not afford good yields of cycloadducts upon reaction with 4 in the presence of scandium triflate: N-carbomethoxypyrrole, 2-methoxyfuran, 2-methylfuran, and 1,3-cycloheptadiene.
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