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0003643894
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Wiley Interscience: New York
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For reviews, see: (a) Chiral Auxiliary and Ligands in Asymmetric Synthesis; Seyden-Penne, J., Ed.; Wiley Interscience: New York, 1995; (b) Steroselective Synthesis; Nogradi, M., Ed.; VCH Publishers: New York, 1995; (c) Asymmetric Catalysis in Organic Synthesis; Noyori, R., Ed.; Wiley Interscience: New York, 1994; (d) Catalytic Asymmetric Synthesis; Ojiama, I., Ed.; VCH Publishers: New York, 1993.
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For reviews, see: (a) Chiral Auxiliary and Ligands in Asymmetric Synthesis; Seyden-Penne, J., Ed.; Wiley Interscience: New York, 1995; (b) Steroselective Synthesis; Nogradi, M., Ed.; VCH Publishers: New York, 1995; (c) Asymmetric Catalysis in Organic Synthesis; Noyori, R., Ed.; Wiley Interscience: New York, 1994; (d) Catalytic Asymmetric Synthesis; Ojiama, I., Ed.; VCH Publishers: New York, 1993.
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Steroselective Synthesis
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Nogradi, M.1
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0003400107
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For reviews, see: (a) Chiral Auxiliary and Ligands in Asymmetric Synthesis; Seyden-Penne, J., Ed.; Wiley Interscience: New York, 1995; (b) Steroselective Synthesis; Nogradi, M., Ed.; VCH Publishers: New York, 1995; (c) Asymmetric Catalysis in Organic Synthesis; Noyori, R., Ed.; Wiley Interscience: New York, 1994; (d) Catalytic Asymmetric Synthesis; Ojiama, I., Ed.; VCH Publishers: New York, 1993.
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Asymmetric Catalysis in Organic Synthesis
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Noyori, R.1
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0003544583
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For reviews, see: (a) Chiral Auxiliary and Ligands in Asymmetric Synthesis; Seyden-Penne, J., Ed.; Wiley Interscience: New York, 1995; (b) Steroselective Synthesis; Nogradi, M., Ed.; VCH Publishers: New York, 1995; (c) Asymmetric Catalysis in Organic Synthesis; Noyori, R., Ed.; Wiley Interscience: New York, 1994; (d) Catalytic Asymmetric Synthesis; Ojiama, I., Ed.; VCH Publishers: New York, 1993.
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Catalytic Asymmetric Synthesis
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For a recent review, see: (a) Kamer, P. C. J.; van Leeuwen, P. W. N. M.; Reek, J. N. H. Acc. Chem. Res. 2001, 34, 895; (b) van Haaren, R. J.; Goubitz, K.; Fraanje, J.; van Strijdonck, G. P. F.; Oevering, H.; Coussens, B.; Reek, J. N. H.; Kamer, P. C. J.; van Leeuwen, P. W. N. M. Inorg. Chem. 2001, 40, 3363.
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For a recent review, see: (a) Kamer, P. C. J.; van Leeuwen, P. W. N. M.; Reek, J. N. H. Acc. Chem. Res. 2001, 34, 895; (b) van Haaren, R. J.; Goubitz, K.; Fraanje, J.; van Strijdonck, G. P. F.; Oevering, H.; Coussens, B.; Reek, J. N. H.; Kamer, P. C. J.; van Leeuwen, P. W. N. M. Inorg. Chem. 2001, 40, 3363.
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Goubitz, K.2
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Van Strijdonck, G.P.F.4
Oevering, H.5
Coussens, B.6
Reek, J.N.H.7
Kamer, P.C.J.8
Van Leeuwen, P.W.N.M.9
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7
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0032536002
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For recent reviews, see: (a) Ghosh, A. K.; Mathiyanan, P.; Cappiello, J. Tetrahedron: Asymmetry 1998, 9, 1; (b) Johnson, J. S.; Evans, D. A. Acc. Chem. Res. 2000, 33, 325; (c) Helmchen, G.; Pfaltz, A. Acc. Chem. Res. 2000, 33, 336.
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Tetrahedron: Asymmetry
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Ghosh, A.K.1
Mathiyanan, P.2
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0033936085
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For recent reviews, see: (a) Ghosh, A. K.; Mathiyanan, P.; Cappiello, J. Tetrahedron: Asymmetry 1998, 9, 1; (b) Johnson, J. S.; Evans, D. A. Acc. Chem. Res. 2000, 33, 325; (c) Helmchen, G.; Pfaltz, A. Acc. Chem. Res. 2000, 33, 336.
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Evans, D.A.2
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For recent reviews, see: (a) Ghosh, A. K.; Mathiyanan, P.; Cappiello, J. Tetrahedron: Asymmetry 1998, 9, 1; (b) Johnson, J. S.; Evans, D. A. Acc. Chem. Res. 2000, 33, 325; (c) Helmchen, G.; Pfaltz, A. Acc. Chem. Res. 2000, 33, 336.
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Helmchen, G.1
Pfaltz, A.2
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0036759628
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For on an overview of the syntheses and applications in asymmetric catalysis of chiral pyridine ligands, see: (a) Chelucci, G.; Thummel, R. P. Chem. Rev. 2002, 102, 3129-3170. For the most recent reports, see: (b) Malkov, A. V.; Baxandale, I. R.; Bella, M.; Langer, V.; Fawcett, J.; Russell, D. R.; Mansfield, D. J.; Valko, M.; Kocovsky, P. Organometallics 2001, 20, 673; (c) Malkov, A. V.; Bella, M.; Langer, V.; Kocovsky, P. Org. Lett. 2000, 2, 3047; (d) Wong, H. L.; Tian, Y.; Chan, K. S. Tetrahedron Lett. 2000, 41, 7723; (e) Rios, R.; Liang, J.; Lo, M. M.-C.; Fu, G. C. Chem. Commun. 2000, 377; (f) Chelucci, G.; Culeddu, N.; Saba, A.; Valenti, R. Tetrahedron: Asymmetry 1999, 10, 3537; (g) Fletcher, N. C.; Keene, F. R.; Ziegler, M.; Stoeckli-Evans, H.; Viebrock, H.; von Zelewsky, A. Helv. Chim. Acta 1996, 79, 119; (h) Ito, K.; Yoshitake, M.; Katsuki, T. Tetrahedron 1996, 3905.
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, vol.102
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Chelucci, G.1
Thummel, R.P.2
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11
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0035249063
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-
For on an overview of the syntheses and applications in asymmetric catalysis of chiral pyridine ligands, see: (a) Chelucci, G.; Thummel, R. P. Chem. Rev. 2002, 102, 3129-3170. For the most recent reports, see: (b) Malkov, A. V.; Baxandale, I. R.; Bella, M.; Langer, V.; Fawcett, J.; Russell, D. R.; Mansfield, D. J.; Valko, M.; Kocovsky, P. Organometallics 2001, 20, 673; (c) Malkov, A. V.; Bella, M.; Langer, V.; Kocovsky, P. Org. Lett. 2000, 2, 3047; (d) Wong, H. L.; Tian, Y.; Chan, K. S. Tetrahedron Lett. 2000, 41, 7723; (e) Rios, R.; Liang, J.; Lo, M. M.-C.; Fu, G. C. Chem. Commun. 2000, 377; (f) Chelucci, G.; Culeddu, N.; Saba, A.; Valenti, R. Tetrahedron: Asymmetry 1999, 10, 3537; (g) Fletcher, N. C.; Keene, F. R.; Ziegler, M.; Stoeckli-Evans, H.; Viebrock, H.; von Zelewsky, A. Helv. Chim. Acta 1996, 79, 119; (h) Ito, K.; Yoshitake, M.; Katsuki, T. Tetrahedron 1996, 3905.
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(2001)
Organometallics
, vol.20
, pp. 673
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Malkov, A.V.1
Baxandale, I.R.2
Bella, M.3
Langer, V.4
Fawcett, J.5
Russell, D.R.6
Mansfield, D.J.7
Valko, M.8
Kocovsky, P.9
-
12
-
-
0001153422
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-
For on an overview of the syntheses and applications in asymmetric catalysis of chiral pyridine ligands, see: (a) Chelucci, G.; Thummel, R. P. Chem. Rev. 2002, 102, 3129-3170. For the most recent reports, see: (b) Malkov, A. V.; Baxandale, I. R.; Bella, M.; Langer, V.; Fawcett, J.; Russell, D. R.; Mansfield, D. J.; Valko, M.; Kocovsky, P. Organometallics 2001, 20, 673; (c) Malkov, A. V.; Bella, M.; Langer, V.; Kocovsky, P. Org. Lett. 2000, 2, 3047; (d) Wong, H. L.; Tian, Y.; Chan, K. S. Tetrahedron Lett. 2000, 41, 7723; (e) Rios, R.; Liang, J.; Lo, M. M.-C.; Fu, G. C. Chem. Commun. 2000, 377; (f) Chelucci, G.; Culeddu, N.; Saba, A.; Valenti, R. Tetrahedron: Asymmetry 1999, 10, 3537; (g) Fletcher, N. C.; Keene, F. R.; Ziegler, M.; Stoeckli-Evans, H.; Viebrock, H.; von Zelewsky, A. Helv. Chim. Acta 1996, 79, 119; (h) Ito, K.; Yoshitake, M.; Katsuki, T. Tetrahedron 1996, 3905.
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Org. Lett.
, vol.2
, pp. 3047
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Malkov, A.V.1
Bella, M.2
Langer, V.3
Kocovsky, P.4
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13
-
-
0034734646
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-
For on an overview of the syntheses and applications in asymmetric catalysis of chiral pyridine ligands, see: (a) Chelucci, G.; Thummel, R. P. Chem. Rev. 2002, 102, 3129-3170. For the most recent reports, see: (b) Malkov, A. V.; Baxandale, I. R.; Bella, M.; Langer, V.; Fawcett, J.; Russell, D. R.; Mansfield, D. J.; Valko, M.; Kocovsky, P. Organometallics 2001, 20, 673; (c) Malkov, A. V.; Bella, M.; Langer, V.; Kocovsky, P. Org. Lett. 2000, 2, 3047; (d) Wong, H. L.; Tian, Y.; Chan, K. S. Tetrahedron Lett. 2000, 41, 7723; (e) Rios, R.; Liang, J.; Lo, M. M.-C.; Fu, G. C. Chem. Commun. 2000, 377; (f) Chelucci, G.; Culeddu, N.; Saba, A.; Valenti, R. Tetrahedron: Asymmetry 1999, 10, 3537; (g) Fletcher, N. C.; Keene, F. R.; Ziegler, M.; Stoeckli-Evans, H.; Viebrock, H.; von Zelewsky, A. Helv. Chim. Acta 1996, 79, 119; (h) Ito, K.; Yoshitake, M.; Katsuki, T. Tetrahedron 1996, 3905.
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(2000)
Tetrahedron Lett.
, vol.41
, pp. 7723
-
-
Wong, H.L.1
Tian, Y.2
Chan, K.S.3
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14
-
-
0034615645
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-
For on an overview of the syntheses and applications in asymmetric catalysis of chiral pyridine ligands, see: (a) Chelucci, G.; Thummel, R. P. Chem. Rev. 2002, 102, 3129-3170. For the most recent reports, see: (b) Malkov, A. V.; Baxandale, I. R.; Bella, M.; Langer, V.; Fawcett, J.; Russell, D. R.; Mansfield, D. J.; Valko, M.; Kocovsky, P. Organometallics 2001, 20, 673; (c) Malkov, A. V.; Bella, M.; Langer, V.; Kocovsky, P. Org. Lett. 2000, 2, 3047; (d) Wong, H. L.; Tian, Y.; Chan, K. S. Tetrahedron Lett. 2000, 41, 7723; (e) Rios, R.; Liang, J.; Lo, M. M.-C.; Fu, G. C. Chem. Commun. 2000, 377; (f) Chelucci, G.; Culeddu, N.; Saba, A.; Valenti, R. Tetrahedron: Asymmetry 1999, 10, 3537; (g) Fletcher, N. C.; Keene, F. R.; Ziegler, M.; Stoeckli-Evans, H.; Viebrock, H.; von Zelewsky, A. Helv. Chim. Acta 1996, 79, 119; (h) Ito, K.; Yoshitake, M.; Katsuki, T. Tetrahedron 1996, 3905.
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(2000)
Chem. Commun.
, pp. 377
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-
Rios, R.1
Liang, J.2
Lo, M.M.-C.3
Fu, G.C.4
-
15
-
-
0033407597
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-
For on an overview of the syntheses and applications in asymmetric catalysis of chiral pyridine ligands, see: (a) Chelucci, G.; Thummel, R. P. Chem. Rev. 2002, 102, 3129-3170. For the most recent reports, see: (b) Malkov, A. V.; Baxandale, I. R.; Bella, M.; Langer, V.; Fawcett, J.; Russell, D. R.; Mansfield, D. J.; Valko, M.; Kocovsky, P. Organometallics 2001, 20, 673; (c) Malkov, A. V.; Bella, M.; Langer, V.; Kocovsky, P. Org. Lett. 2000, 2, 3047; (d) Wong, H. L.; Tian, Y.; Chan, K. S. Tetrahedron Lett. 2000, 41, 7723; (e) Rios, R.; Liang, J.; Lo, M. M.-C.; Fu, G. C. Chem. Commun. 2000, 377; (f) Chelucci, G.; Culeddu, N.; Saba, A.; Valenti, R. Tetrahedron: Asymmetry 1999, 10, 3537; (g) Fletcher, N. C.; Keene, F. R.; Ziegler, M.; Stoeckli-Evans, H.; Viebrock, H.; von Zelewsky, A. Helv. Chim. Acta 1996, 79, 119; (h) Ito, K.; Yoshitake, M.; Katsuki, T. Tetrahedron 1996, 3905.
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(1999)
Tetrahedron: Asymmetry
, vol.10
, pp. 3537
-
-
Chelucci, G.1
Culeddu, N.2
Saba, A.3
Valenti, R.4
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16
-
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0000737694
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-
For on an overview of the syntheses and applications in asymmetric catalysis of chiral pyridine ligands, see: (a) Chelucci, G.; Thummel, R. P. Chem. Rev. 2002, 102, 3129-3170. For the most recent reports, see: (b) Malkov, A. V.; Baxandale, I. R.; Bella, M.; Langer, V.; Fawcett, J.; Russell, D. R.; Mansfield, D. J.; Valko, M.; Kocovsky, P. Organometallics 2001, 20, 673; (c) Malkov, A. V.; Bella, M.; Langer, V.; Kocovsky, P. Org. Lett. 2000, 2, 3047; (d) Wong, H. L.; Tian, Y.; Chan, K. S. Tetrahedron Lett. 2000, 41, 7723; (e) Rios, R.; Liang, J.; Lo, M. M.-C.; Fu, G. C. Chem. Commun. 2000, 377; (f) Chelucci, G.; Culeddu, N.; Saba, A.; Valenti, R. Tetrahedron: Asymmetry 1999, 10, 3537; (g) Fletcher, N. C.; Keene, F. R.; Ziegler, M.; Stoeckli-Evans, H.; Viebrock, H.; von Zelewsky, A. Helv. Chim. Acta 1996, 79, 119; (h) Ito, K.; Yoshitake, M.; Katsuki, T. Tetrahedron 1996, 3905.
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(1996)
Helv. Chim. Acta
, vol.79
, pp. 119
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-
Fletcher, N.C.1
Keene, F.R.2
Ziegler, M.3
Stoeckli-Evans, H.4
Viebrock, H.5
Von Zelewsky, A.6
-
17
-
-
0030012272
-
-
For on an overview of the syntheses and applications in asymmetric catalysis of chiral pyridine ligands, see: (a) Chelucci, G.; Thummel, R. P. Chem. Rev. 2002, 102, 3129-3170. For the most recent reports, see: (b) Malkov, A. V.; Baxandale, I. R.; Bella, M.; Langer, V.; Fawcett, J.; Russell, D. R.; Mansfield, D. J.; Valko, M.; Kocovsky, P. Organometallics 2001, 20, 673; (c) Malkov, A. V.; Bella, M.; Langer, V.; Kocovsky, P. Org. Lett. 2000, 2, 3047; (d) Wong, H. L.; Tian, Y.; Chan, K. S. Tetrahedron Lett. 2000, 41, 7723; (e) Rios, R.; Liang, J.; Lo, M. M.-C.; Fu, G. C. Chem. Commun. 2000, 377; (f) Chelucci, G.; Culeddu, N.; Saba, A.; Valenti, R. Tetrahedron: Asymmetry 1999, 10, 3537; (g) Fletcher, N. C.; Keene, F. R.; Ziegler, M.; Stoeckli-Evans, H.; Viebrock, H.; von Zelewsky, A. Helv. Chim. Acta 1996, 79, 119; (h) Ito, K.; Yoshitake, M.; Katsuki, T. Tetrahedron 1996, 3905.
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(1996)
Tetrahedron
, pp. 3905
-
-
Ito, K.1
Yoshitake, M.2
Katsuki, T.3
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18
-
-
0033802421
-
-
The synthesis and application in asymmetric cyclopropanation of chiral di-2-pyridyl ketone ligands have been recently reported: Kwong, H.-L.; Cheng, L.-S.; Lee, W.-S.; Wong, W.-L.; Wong, W.-T. Eur. J. Inorg. Chem. 2000, 1997.
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(2000)
Eur. J. Inorg. Chem.
, pp. 1997
-
-
Kwong, H.-L.1
Cheng, L.-S.2
Lee, W.-S.3
Wong, W.-L.4
Wong, W.-T.5
-
23
-
-
0005226461
-
-
note
-
3): δ 7.00 (d, 2H, J=7.8 Hz), 6.73 (d, 2H, J=7.8 Hz), 3.18-3.08 (m, 2H), 2.70-2.63 (m, 2H), 2.54-2.44 (m, 2H), 2.14-2.07 (m, 2H), 1.79 (s, 6H), 1.39 (s, 6H), 1.33 (d, 6H, J=7.2 Hz), 1.27 (d, 2H, J=9.6 Hz), 0.64 (s, 6H).
-
-
-
-
26
-
-
0346156186
-
-
For recent reviews, see: (a) Helmchen, G. J. Organomet. Chem. 1999, 576, 203; (b) Trost, M. B.; van Vranken, D. L. Chem. Rev. 1996, 96, 395; (c) Reiser, O. Angew. Chem. 1993, 105, 576; Angew. Chem., Int. Ed. Engl. 1993, 32, 547; (d) Hayashi, T. In Catalytic Asymmetric Synthesis; Ojima, Ed., VCH: Weinheim, 1993; (e) Frost, C. G.; Howarth, J.; Williams, J. M. J. Tetrahedron: Asymmetry 1992, 3, 1089; (f) Brunner, H.; Zettlmeier, W. Handbook of Enantioselecive Catalysis; VCH: Weinheim, 1993.
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Organomet. Chem.
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Helmchen, G.J.1
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27
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6844254916
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For recent reviews, see: (a) Helmchen, G. J. Organomet. Chem. 1999, 576, 203; (b) Trost, M. B.; van Vranken, D. L. Chem. Rev. 1996, 96, 395; (c) Reiser, O. Angew. Chem. 1993, 105, 576; Angew. Chem., Int. Ed. Engl. 1993, 32, 547; (d) Hayashi, T. In Catalytic Asymmetric Synthesis; Ojima, Ed., VCH: Weinheim, 1993; (e) Frost, C. G.; Howarth, J.; Williams, J. M. J. Tetrahedron: Asymmetry 1992, 3, 1089; (f) Brunner, H.; Zettlmeier, W. Handbook of Enantioselecive Catalysis; VCH: Weinheim, 1993.
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Chem. Rev.
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Trost, M.B.1
Van Vranken, D.L.2
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0001064399
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For recent reviews, see: (a) Helmchen, G. J. Organomet. Chem. 1999, 576, 203; (b) Trost, M. B.; van Vranken, D. L. Chem. Rev. 1996, 96, 395; (c) Reiser, O. Angew. Chem. 1993, 105, 576; Angew. Chem., Int. Ed. Engl. 1993, 32, 547; (d) Hayashi, T. In Catalytic Asymmetric Synthesis; Ojima, Ed., VCH: Weinheim, 1993; (e) Frost, C. G.; Howarth, J.; Williams, J. M. J. Tetrahedron: Asymmetry 1992, 3, 1089; (f) Brunner, H.; Zettlmeier, W. Handbook of Enantioselecive Catalysis; VCH: Weinheim, 1993.
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Reiser, O.1
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For recent reviews, see: (a) Helmchen, G. J. Organomet. Chem. 1999, 576, 203; (b) Trost, M. B.; van Vranken, D. L. Chem. Rev. 1996, 96, 395; (c) Reiser, O. Angew. Chem. 1993, 105, 576; Angew. Chem., Int. Ed. Engl. 1993, 32, 547; (d) Hayashi, T. In Catalytic Asymmetric Synthesis; Ojima, Ed., VCH: Weinheim, 1993; (e) Frost, C. G.; Howarth, J.; Williams, J. M. J. Tetrahedron: Asymmetry 1992, 3, 1089; (f) Brunner, H.; Zettlmeier, W. Handbook of Enantioselecive Catalysis; VCH: Weinheim, 1993.
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Angew. Chem., Int. Ed. Engl.
, vol.32
, pp. 547
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30
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0003544583
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Ojima, Ed., VCH: Weinheim
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For recent reviews, see: (a) Helmchen, G. J. Organomet. Chem. 1999, 576, 203; (b) Trost, M. B.; van Vranken, D. L. Chem. Rev. 1996, 96, 395; (c) Reiser, O. Angew. Chem. 1993, 105, 576; Angew. Chem., Int. Ed. Engl. 1993, 32, 547; (d) Hayashi, T. In Catalytic Asymmetric Synthesis; Ojima, Ed., VCH: Weinheim, 1993; (e) Frost, C. G.; Howarth, J.; Williams, J. M. J. Tetrahedron: Asymmetry 1992, 3, 1089; (f) Brunner, H.; Zettlmeier, W. Handbook of Enantioselecive Catalysis; VCH: Weinheim, 1993.
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(1993)
Catalytic Asymmetric Synthesis
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Hayashi, T.1
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31
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0026722772
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For recent reviews, see: (a) Helmchen, G. J. Organomet. Chem. 1999, 576, 203; (b) Trost, M. B.; van Vranken, D. L. Chem. Rev. 1996, 96, 395; (c) Reiser, O. Angew. Chem. 1993, 105, 576; Angew. Chem., Int. Ed. Engl. 1993, 32, 547; (d) Hayashi, T. In Catalytic Asymmetric Synthesis; Ojima, Ed., VCH: Weinheim, 1993; (e) Frost, C. G.; Howarth, J.; Williams, J. M. J. Tetrahedron: Asymmetry 1992, 3, 1089; (f) Brunner, H.; Zettlmeier, W. Handbook of Enantioselecive Catalysis; VCH: Weinheim, 1993.
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(1992)
Tetrahedron: Asymmetry
, vol.3
, pp. 1089
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Frost, C.G.1
Howarth, J.2
Williams, J.M.J.3
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32
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0003394736
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-
VCH: Weinheim
-
For recent reviews, see: (a) Helmchen, G. J. Organomet. Chem. 1999, 576, 203; (b) Trost, M. B.; van Vranken, D. L. Chem. Rev. 1996, 96, 395; (c) Reiser, O. Angew. Chem. 1993, 105, 576; Angew. Chem., Int. Ed. Engl. 1993, 32, 547; (d) Hayashi, T. In Catalytic Asymmetric Synthesis; Ojima, Ed., VCH: Weinheim, 1993; (e) Frost, C. G.; Howarth, J.; Williams, J. M. J. Tetrahedron: Asymmetry 1992, 3, 1089; (f) Brunner, H.; Zettlmeier, W. Handbook of Enantioselecive Catalysis; VCH: Weinheim, 1993.
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(1993)
Handbook of Enantioselecive Catalysis
-
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Brunner, H.1
Zettlmeier, W.2
-
34
-
-
0005185497
-
-
note
-
20
-
-
-
-
35
-
-
0035249063
-
-
Malkov A.V., Baxandale I.R., Bella M., Langer V., Fawcett J., Russell D.R., Mansfield D.J., Valko M., Kocovsky P. Organometallics. 20:2001;673.
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(2001)
Organometallics
, vol.20
, pp. 673
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Malkov, A.V.1
Baxandale, I.R.2
Bella, M.3
Langer, V.4
Fawcett, J.5
Russell, D.R.6
Mansfield, D.J.7
Valko, M.8
Kocovsky, P.9
-
37
-
-
0005127847
-
-
note
-
2 (2.5 mL) was added dropwise over a period of 2 h and then the mixture was stirred for 16 h. The solvent was evaporated under vacuum and the residue was purified by column chromatography on silica gel (hexane/ethyl acetate=15/1) to afford a mixture of ethyl trans- and cis-2-phenyl-cyclopropane-1-carboxylates as colorless oil. The trans/cis ratio and the ee were determined by GC analysis on a diethyl-t-butylsilyl β-cyclodextrin capillary column 25 m×0.25 mm operated at 60°C for 5 min, then programmed at 3°C/min to 160°C. [Retention times: 33.2 (1S,2S) and 33.5 (1R,2R) min for trans 20; retention times: 31.4 (1R,2S) and 31.8 (1S,2R) min for cis 21.].
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38
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0005127848
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note
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The trans- and cis-cyclopropane ratios recorded for ligands 6, 9 and 11 were 63/37, 63/37 and 69/31, respectively.
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40
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0026588815
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Leutenegger U., Umbricht G., Fahrni C., Matt P.V., Pfaltz A. Tetrahedron. 48:1992;2143.
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(1992)
Tetrahedron
, vol.48
, pp. 2143
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Leutenegger, U.1
Umbricht, G.2
Fahrni, C.3
Matt, P.V.4
Pfaltz, A.5
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