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3)Cl] afforded even poorer results than AgOAc.
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3)Cl] afforded even poorer results than AgOAc.
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For racemic pyrrolidines 4, see reference [9b].
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The enantioselectivities and reaction, ratios were highly dependent on the ligand structure, see Supporting Information for details.
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See Supporting Information for details. CCDC-752506 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via
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A minor stereoisomer was also detected. Racemic endo-6a has been previously described, see reference [9b].
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Ishida, M.26
Nakajima, T.27
Honda, Y.28
Kitao, O.29
Nakai, H.30
Klene, M.31
Li, X.32
Knox, J.E.33
Hratchian, H.P.34
Cross, J.B.35
Adamo, C.36
Jaramillo, J.37
Gomperts, R.38
Stratmann, R.E.39
Yazyev, O.40
Austin, A.J.41
Cammi, R.42
Pomelli, C.43
Ochterski, J.W.44
Ayala, P.Y.45
Morokuma, K.46
Voth, G.A.47
Salvador, P.48
Dannenberg, J.J.49
Zakrzewski, V.G.50
Dapprich, S.51
Daniels, A.D.52
Strain, M.C.53
Farkas, O.54
Malick, D.K.55
Rabuck, A.D.56
Raghavachari, K.57
Foresman, J.B.58
Ortiz, J.V.59
Cui, Q.60
Baboul, A.G.61
Clifford, S.62
Cioslowski, J.63
Stefanov, B.B.64
Liu, G.65
Liashenko, A.66
Piskorz, P.67
Komaromi, I.68
Martin, R.L.69
Fox, D.J.70
Keith, T.71
Al-Laham, M.A.72
Peng, C.Y.73
Nanayakkara, A.74
Challacombe, M.75
Gill, P.M.W.76
Johnson, B.77
Chen, W.78
Wong, M.W.79
Gonzalez, C.80
Pople, J.A.81
more..
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70
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77951964883
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See the Supporting Information for computational details.
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See the Supporting Information for computational details.
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-
-
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71
-
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77951946882
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-
For DFT theoretical studies on related Fesulphos metal complexes with α-iminoesters ligands see reference [5t].
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For DFT theoretical studies on related Fesulphos metal complexes with α-iminoesters ligands see reference [5t].
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-
-
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72
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77951960330
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-1 less stable than syn when free carbanion was considered (see the Supporting Information).
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-1 less stable than syn when free carbanion was considered (see the Supporting Information).
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-
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73
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0003622008
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Theoretical Chemistry Institute, University of Wisconsin, Madison, WI
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NBO 5, G. E. D. Glendening, J. K. Badenhoop, A. E. Reed, J. E. Carpenter, J. A. Bohmann, C. M. Morales, F. Weinhold, Theoretical Chemistry Institute, University of Wisconsin, Madison, WI, 2004, http://www.chem.wisc.edu/~nbo5.
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(2004)
NBO 5
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-
Glendening, G.E.D.1
Badenhoop, J.K.2
Reed, A.E.3
Carpenter, J.E.4
Bohmann, J.A.5
Morales, C.M.6
Weinhold, F.7
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74
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77951960627
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note
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Two slightly different structures were detected in the crystal, changing mainly in the coordination, mode of the acetate anion to the metal: dicoordinated (shown, in Figure 2) or monocoordinated (distances around the metal in Å: P3-Ag2=2.490, P4-Ag2=2.414, 03Ag2=2.224 and 04-Ag2 = 3.138). See the Supporting Information for details. CCDC-752507 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data-.request/cif.
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75
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46649103059
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A. F. Maddox, A. L. Rheingold, J. A. Golen, W. Scott Kassel, C. Nataro, Inorg. Chim. Acta 2008, 361, 3283-3293.
-
(2008)
Inorg. Chim. Acta
, vol.361
, pp. 3283-3293
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-
Maddox, A.F.1
Rheingold, A.L.2
Golen, J.A.3
Scott Kassel, W.4
Nataro, C.5
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76
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0000192440
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I-Taniaphos complex, see
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I-Taniaphos complex, see: T. Ireland, G. Grossheimann, C. Wieser-Jeunesse, P. Knochel, Angew. Chem. 1999, 111, 3397-3400;
-
(1999)
Angew. Chem.
, vol.111
, pp. 3397-3400
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Ireland, T.1
Grossheimann, G.2
Wieser-Jeunesse, C.3
Knochel, P.4
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77
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0033517686
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Angew. Chem. Int. Ed. 1999, 38, 3212-3215.
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(1999)
Angew. Chem. Int. Ed.
, vol.38
, pp. 3212-3215
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-
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78
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77951945838
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It is worth noting that in the case of the related complex with Fesulphos ligand (complex I) there is a less efficient steric shielding between both faces of the azomethine unit, especially around C2, which could explain the much lower enantioselectivity obtained with this ligand.
-
It is worth noting that in the case of the related complex with Fesulphos ligand (complex I) there is a less efficient steric shielding between both faces of the azomethine unit, especially around C2, which could explain the much lower enantioselectivity obtained with this ligand.
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-
-
-
79
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77951971164
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Racemic endo- and exo-7 have been previously described, see references [9a] and [10a], respectively.
-
Racemic endo- and exo-7 have been previously described, see references [9a] and [10a], respectively.
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-
-
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80
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77951966989
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See the Supporting Information for the stereochemical assignment of 9.
-
See the Supporting Information for the stereochemical assignment of 9.
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