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(d) For recent review, see:
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(d) For recent review, see: Mikami K., Shimizu M., Zhang H.C., Maryanoff B.E. Tetrahedron. 57:2001;2917-2951
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7
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8
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0037009997
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For recent uses of (-)-sparteine, see: (c)
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For recent uses of (-)-sparteine, see: (c) Johnson T.A., Jang D.O., Slafer B.W., Curtis M.D., Beak P. J. Am. Chem. Soc. 124:2002;11689-11698
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13
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2542422192
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note
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1H NMR (ratio anti-syn, 69:31). Nevertheless, their complete configurational assignment was not established because only the first and the last compounds could be separated
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14
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0001700177
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Karatsu, M.5
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15
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2542451316
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12 Union Road, Cambridge, CB2 1EZ, UK [fax: +44(0)-1223-336033 or e-mail: deposit@ccdc.cam.ac.uk]
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Crystallographic data (excluding structure factors) for the structures 3k and 4k have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication numbers CCDC 221162 and 221163. Copies of the data can be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge, CB2 1EZ, UK [fax: +44(0)-1223-336033 or e-mail: deposit@ccdc.cam.ac.uk]
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16
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2542493426
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The fact that the preferred conformation of one of these epimers displays the high sterically demandant 2,6-dimethylphenyl ring in gauche arrangement with respect to the sulfinylated ring suggests some kind of π-stacking interaction between the aromatic rings exhibiting complementary electronic density (donor-acceptor interaction)
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The fact that the preferred conformation of one of these epimers displays the high sterically demandant 2, 6-dimethylphenyl ring in gauche arrangement with respect to the sulfinylated ring suggests some kind of π-stacking interaction between the aromatic rings exhibiting complementary electronic density (donor-acceptor interaction)
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25
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0033520272
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Alonso E., Guijarro D., Martínez P., Ramón D.J., Yus M. Tetrahedron. 55:1999;11027-11038
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Alonso, E.1
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Ramón, D.J.4
Yus, M.5
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