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for related ligands, see: b) C. A. Busacca, D. Grossbach, R. C. So, E. M. O'Brien, E. M. Spinelli, Org. Lett. 2003, 5, 595.
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A. Pfaltz, J. Blankenstein, R. Hilgraf, E. Hörmann, S. McIntyre, F. Menges, M. Schönleber, S. P. Smidt, B. Wüstenberg, N. Zimmermann, Adv. Synth. Catal. 2003, 345, 33.
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0345767707
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For other chiral pyridine and quinoline derived N,P ligands, see: a) T. Bunlaksananusorn, K. Polborn, P. Knochel, Angew. Chem. 2003, 115, 4071; Angew. Chem. Int. Ed. 2003, 42, 3941;
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Bunlaksananusorn, T.1
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11
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0041317018
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For other chiral pyridine and quinoline derived N,P ligands, see: a) T. Bunlaksananusorn, K. Polborn, P. Knochel, Angew. Chem. 2003, 115, 4071; Angew. Chem. Int. Ed. 2003, 42, 3941;
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f) G. Franciò, F. Faraone, W. Leitner, Angew. Chem. 2000, 112, 1486; Angew. Chem. Int. Ed. 2000, 39, 1428;
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0035897169
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g) A. V. Malkov, M. Bella, I. G. Stará, P. Koèovský, Tetrahedron Lett. 2001, 42, 3045.
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Malkov, A.V.1
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19
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0343526594
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20
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33749545257
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See, for example, a) T. Imamoto, T. Kusumoto, N. Suzuki, K. Sato, J. Am. Chem. Soc. 1985, 107, 5301;
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21
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0001626461
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b) T. Imamoto, T. Oshiki, T. Onozawa, T. Kusumoto, K. Sato, J. Am. Chem. Soc. 1990, 112, 5244.
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22
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0010176851
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H. C. Brown, J. Chandrasekharan, P. V. Ramachandran, J. Am. Chem. Soc. 1988, 110, 1539.
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23
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0034647024
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a) R. Ewalds, E. B. Eggeling, A. C. Hewat, P. C. J. Kamer, P. W. N. M. van Leeuwen, D. Vogt, Chem. Eur. J. 2000, 6, 1496.
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4444276636
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25
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0035806298
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2-Vinylquinoline is commercially available from Acros Chemical, or alternately, can be prepared from quinoline in one step, see: M. A. Fakhfakh, X. Franck, A. Fournet, R. Hocquemiller, B. Figadère, Tetrahedron Lett. 2001, 42, 3847.
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Fakhfakh, M.A.1
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Figadère, B.5
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26
-
-
0347659687
-
-
note
-
Dihydroxylation of 2-vinylpyridine afforded the corresponding diol in only 15% yield (94% ee).
-
-
-
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27
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0347028859
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Dissertation, University of Basel
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N. Zimmermann, Dissertation, University of Basel, 2001.
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Zimmermann, N.1
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D. L. Reger, T. D. Wright, C. A. Little, J. J. S. Lambda, M. D. Smith, Inorg. Chem. 2001, 40, 3810. See also: J. L. Leaser, Jr., R. Cvetovich, E-R. Tsay, U. Dolling, T. Vickery, D. Bachert, J. Org. Chem. 2003, 68, 3695.
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Reger, D.L.1
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29
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D. L. Reger, T. D. Wright, C. A. Little, J. J. S. Lambda, M. D. Smith, Inorg. Chem. 2001, 40, 3810. See also: J. L. Leaser, Jr., R. Cvetovich, E-R. Tsay, U. Dolling, T. Vickery, D. Bachert, J. Org. Chem. 2003, 68, 3695.
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30
-
-
0345767709
-
-
note
-
For long-term storage (> 2 weeks), complexes were kept under argon at -25 °C.
-
-
-
-
31
-
-
0242560405
-
-
-3, located near the metal center. There were no restraints applied. Hydrogen atoms were calculated and refined as riding atoms. Data collection was performed with a Kappa CCD diffractometer. Programs used: structure solution: SIR79 (A. Altomare, M. C. Burla, M. Camalli, G. L. Cascarano, C. Giacovazzo, A. Guagliardi, A. Grazia, G. Moliterni, G. Polidori, R. Spagna, J. Appl. Crystallogr. 1999, 32, 115), structure refinement: CRYSTALS (D. J. Watkin, Crystals, Issue 11, Chemical Crystallography Laboratory, Oxford, 2001), weighting scheme: Chebychev polynomial (J. R. Carruthers, D. J. Watkin, Acta Crystallogr. Sect. A 1979, 35, 698). We thank Markus Neuburger for assistance in solving the crystal structures of rac-19b and rac-19c.
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J. Appl. Crystallogr.
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, pp. 115
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Altomare, A.1
Burla, M.C.2
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Giacovazzo, C.5
Guagliardi, A.6
Grazia, A.7
Moliterni, G.8
Polidori, G.9
Spagna, R.10
-
32
-
-
0346398743
-
-
Chemical Crystallography Laboratory Oxford
-
-3, located near the metal center. There were no restraints applied. Hydrogen atoms were calculated and refined as riding atoms. Data collection was performed with a Kappa CCD diffractometer. Programs used: structure solution: SIR79 (A. Altomare, M. C. Burla, M. Camalli, G. L. Cascarano, C. Giacovazzo, A. Guagliardi, A. Grazia, G. Moliterni, G. Polidori, R. Spagna, J. Appl. Crystallogr. 1999, 32, 115), structure refinement: CRYSTALS (D. J. Watkin, Crystals, Issue 11, Chemical Crystallography Laboratory, Oxford, 2001), weighting scheme: Chebychev polynomial (J. R. Carruthers, D. J. Watkin, Acta Crystallogr. Sect. A 1979, 35, 698). We thank Markus Neuburger for assistance in solving the crystal structures of rac-19b and rac-19c.
-
(2001)
Crystals
, Issue.11
-
-
Watkin, D.J.1
-
33
-
-
84919321432
-
-
-3, located near the metal center. There were no restraints applied. Hydrogen atoms were calculated and refined as riding atoms. Data collection was performed with a Kappa CCD diffractometer. Programs used: structure solution: SIR79 (A. Altomare, M. C. Burla, M. Camalli, G. L. Cascarano, C. Giacovazzo, A. Guagliardi, A. Grazia, G. Moliterni, G. Polidori, R. Spagna, J. Appl. Crystallogr. 1999, 32, 115), structure refinement: CRYSTALS (D. J. Watkin, Crystals, Issue 11, Chemical Crystallography Laboratory, Oxford, 2001), weighting scheme: Chebychev polynomial (J. R. Carruthers, D. J. Watkin, Acta Crystallogr. Sect. A 1979, 35, 698). We thank Markus Neuburger for assistance in solving the crystal structures of rac-19b and rac-19c.
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(1979)
Acta Crystallogr. Sect. A
, vol.35
, pp. 698
-
-
Carruthers, J.R.1
Watkin, D.J.2
-
34
-
-
0038581793
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While we have chosen to separate the enantiomers on expediency grounds, this is by no means necessary as enantioselective routes to all but one are known. 20 a: a) B. Lipshutz, L. Asher, K. Noson, Org. Lett. 2002, 4, 4045;
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0037131654
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c) M. D. Garret, R. Scott, G. N. Sheldrake, Tetrahedron: Asymmetry 2002, 13, 2201; 20b:
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Garret, M.D.1
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0001136776
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Bolm, C.1
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0025343763
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f) C. Bolm, M. Zehnder, D. Bur, Angew. Chem. 1990, 102, 206; Angew. Chem. Int. Ed. Engl. 1990, 29, 205;
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44
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0346398742
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note
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2=o-Tol) even in the presence of a large excess of reagents.
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45
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0001361552
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a) O. Loiseleur, P. Meier, A. Pfaltz, Angew. Chem. 1996, 108, 218; Angew. Chem. Int. Ed. Engl. 1996, 35, 20;
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Loiseleur, O.1
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a) O. Loiseleur, P. Meier, A. Pfaltz, Angew. Chem. 1996, 108, 218; Angew. Chem. Int. Ed. Engl. 1996, 35, 20;
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47
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0006730293
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b) O. Loiseleur, M. Hayashi, N. Schmees, A. Pfaltz, Synthesis 1997, 1339;
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Loiseleur, O.1
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