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Jäger, V.1
Schohe, R.2
Paulus, E.F.3
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3
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33845471030
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For representative examples involving chiral dienophiles and dipolarophiles: (b) Jäger, V.; Schohe, R.; Paulus, E. F. Tetrahedron Lett. 1983, 24, 5501-5504. (c) Kozikowski, A. P.; Ghosh, A. K. J. Org. Chem. 1984, 49, 2762-2772. (d) Kim, H. R.; Kim, K. M.; Kim, J. N.; Ryu, E. K. Synth. Commun. 1994, 24, 1107-1116. (e) Jäger, V.; Schröter, D. Synthesis 1990, 556-560. (f) Armstrong, S. K.; Collington, E. W.; Warren, S. J. Chem. Soc., Perkin Trans. 1 1994, 515-519. (g) Busqué, F.; de March, P.; Figueredo, M.; Font, J.; Monsalvatje, M.; Virgili, A.; Álvarez-Larena, Á.; Piniella, J. F. J. Org. Chem. 1996, 61, 8578-8585.
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Kozikowski, A.P.1
Ghosh, A.K.2
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For representative examples involving chiral dienophiles and dipolarophiles: (b) Jäger, V.; Schohe, R.; Paulus, E. F. Tetrahedron Lett. 1983, 24, 5501-5504. (c) Kozikowski, A. P.; Ghosh, A. K. J. Org. Chem. 1984, 49, 2762-2772. (d) Kim, H. R.; Kim, K. M.; Kim, J. N.; Ryu, E. K. Synth. Commun. 1994, 24, 1107-1116. (e) Jäger, V.; Schröter, D. Synthesis 1990, 556-560. (f) Armstrong, S. K.; Collington, E. W.; Warren, S. J. Chem. Soc., Perkin Trans. 1 1994, 515-519. (g) Busqué, F.; de March, P.; Figueredo, M.; Font, J.; Monsalvatje, M.; Virgili, A.; Álvarez-Larena, Á.; Piniella, J. F. J. Org. Chem. 1996, 61, 8578-8585.
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Kim, H.R.1
Kim, K.M.2
Kim, J.N.3
Ryu, E.K.4
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5
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0025075802
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For representative examples involving chiral dienophiles and dipolarophiles: (b) Jäger, V.; Schohe, R.; Paulus, E. F. Tetrahedron Lett. 1983, 24, 5501-5504. (c) Kozikowski, A. P.; Ghosh, A. K. J. Org. Chem. 1984, 49, 2762-2772. (d) Kim, H. R.; Kim, K. M.; Kim, J. N.; Ryu, E. K. Synth. Commun. 1994, 24, 1107-1116. (e) Jäger, V.; Schröter, D. Synthesis 1990, 556-560. (f) Armstrong, S. K.; Collington, E. W.; Warren, S. J. Chem. Soc., Perkin Trans. 1 1994, 515-519. (g) Busqué, F.; de March, P.; Figueredo, M.; Font, J.; Monsalvatje, M.; Virgili, A.; Álvarez-Larena, Á.; Piniella, J. F. J. Org. Chem. 1996, 61, 8578-8585.
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Synthesis
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Jäger, V.1
Schröter, D.2
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6
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37049077333
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For representative examples involving chiral dienophiles and dipolarophiles: (b) Jäger, V.; Schohe, R.; Paulus, E. F. Tetrahedron Lett. 1983, 24, 5501-5504. (c) Kozikowski, A. P.; Ghosh, A. K. J. Org. Chem. 1984, 49, 2762-2772. (d) Kim, H. R.; Kim, K. M.; Kim, J. N.; Ryu, E. K. Synth. Commun. 1994, 24, 1107-1116. (e) Jäger, V.; Schröter, D. Synthesis 1990, 556-560. (f) Armstrong, S. K.; Collington, E. W.; Warren, S. J. Chem. Soc., Perkin Trans. 1 1994, 515-519. (g) Busqué, F.; de March, P.; Figueredo, M.; Font, J.; Monsalvatje, M.; Virgili, A.; Álvarez-Larena, Á.; Piniella, J. F. J. Org. Chem. 1996, 61, 8578-8585.
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Armstrong, S.K.1
Collington, E.W.2
Warren, S.3
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7
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0000524047
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For representative examples involving chiral dienophiles and dipolarophiles: (b) Jäger, V.; Schohe, R.; Paulus, E. F. Tetrahedron Lett. 1983, 24, 5501-5504. (c) Kozikowski, A. P.; Ghosh, A. K. J. Org. Chem. 1984, 49, 2762-2772. (d) Kim, H. R.; Kim, K. M.; Kim, J. N.; Ryu, E. K. Synth. Commun. 1994, 24, 1107-1116. (e) Jäger, V.; Schröter, D. Synthesis 1990, 556-560. (f) Armstrong, S. K.; Collington, E. W.; Warren, S. J. Chem. Soc., Perkin Trans. 1 1994, 515-519. (g) Busqué, F.; de March, P.; Figueredo, M.; Font, J.; Monsalvatje, M.; Virgili, A.; Álvarez-Larena, Á.; Piniella, J. F. J. Org. Chem. 1996, 61, 8578-8585.
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Busqué, F.1
De March, P.2
Figueredo, M.3
Font, J.4
Monsalvatje, M.5
Virgili, A.6
Álvarez-Larena, Á.7
Piniella, J.F.8
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8
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33845471903
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(a) Houk, K. N.; Moses, S. R.; Wu, Y.-D.; Rondan, N. G.; Jäger, V.; Schöhe, R.; Fronczek, F. R. J. Am. Chem. Soc. 1984, 106, 3880-3882.
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Moses, S.R.2
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Jäger, V.5
Schöhe, R.6
Fronczek, F.R.7
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(b) Raimondi, L.; Wu, Y.-D.; Brown, F. K.; Houk, K. N. Tetrahedron Lett. 1992, 33, 4409-4412.
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85033135119
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(d) Schwarz, M. V. Ph.D. Dissertation, University of Würzburg, 1993.
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Schwarz, M.V.1
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33845556545
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(a) Caramella, P.; Rondan, N. G.; Paddon-Row, M. N.; Houk, K. N. J. Am. Chem. Soc. 1981, 103, 2438-2440.
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Houk, K.N.4
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(b) Paddon-Row, M. N.; Rondan, N. G.; Houk, K. N. J. Am. Chem. Soc. 1982, 104, 7162-7166.
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Houk, K.N.3
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14
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85033150624
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note
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"Anti" and "syn" are not in all cases used according to the IUPAC rules. Instead, it refers to the relative configuration of the medium substituent (M) and the atom, O or C, added to the dipolarophile to form the new stereogenic center. When the carbon chain plus L are drawn in the zig-zag representation, M and the new atom define anti or syn.
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15
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0001445936
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Houk, K. N.; Duh, H.-Y.; Wu, Y.-D.; Moses, S. R. J. Am. Chem. Soc. 1986, 108, 2754-2755.
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Duh, H.-Y.2
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33748632563
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85033128189
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note
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A typical reaction was conducted as follows: A mixture of 2-methoxy-3-butene (6) (1.30 g, 15.1 mmol) and hexachlorocyclopentadiene (1) (8.48 g, 31.1 mmol) and 25 mL of toluene was sealed in a Pyrex tube and heated at 100 ± 3 °C for 6 days. The 300 MHz NMR spectrum showed the diastereomer ratio of 71:19 (±2%). Removal of the solvent under reduced pressure gave two products, separated by silica gel column chromatography eluting with 3% ethyl acetate in hexane to give two diastereomers, 6A and 6B, 4.28g (79% yield). Both were purified as colorless oils by Kugelrohr distillation at 93 °C/1.2 mmHg.
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1542747607
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85033146918
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Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260
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Mandel, J.2
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Gaussian 94 (Revision C.2)
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Frisch, M.J.1
Trucks, G.W.2
Schlegel, H.B.3
Gill, P.M.W.4
Johnson, B.G.5
Robb, M.A.6
Cheeseman, J.R.7
Keith, T.8
Petersson, G.A.9
Montgomery, J.A.10
Raghavachari, K.11
Al-Laham, M.A.12
Zakrzewski, V.G.13
Ortiz, J.V.14
Foresman, J.B.15
Cioslowski, J.16
Stefanov, B.B.17
Nanayakkara, A.18
Challacombe, M.19
Peng, C.Y.20
Ayala, P.Y.21
Chen, W.22
Wong, M.W.23
Andres, J.L.24
Replogle, E.S.25
Gomperts, R.26
Martin, R.L.27
Fox, D.J.28
Binkley, J.S.29
Defrees, D.J.30
Baker, J.31
Stewart, J.P.32
Head-Gordon, M.33
Gonzalez, C.34
Pople, J.A.35
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