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Volumn 130, Issue 47, 2008, Pages 15957-15966

Structural features and reactivity of (sparteine)PdCl2: A model for selectivity in the oxidative kinetic resolution of secondary alcohols

Author keywords

[No Author keywords available]

Indexed keywords

DERIVATIVES; KETONES; LIGANDS; ORGANIC COMPOUNDS; PALLADIUM;

EID: 56749149527     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja804955e     Document Type: Article
Times cited : (42)

References (79)
  • 3
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    • For recent Pd(II) aerobic alcohol oxidations, see: (a) Peterson, K. P.; Larock, R. C. J. Org. Chem. 1998, 63, 3185-3189.
    • For recent Pd(II) aerobic alcohol oxidations, see: (a) Peterson, K. P.; Larock, R. C. J. Org. Chem. 1998, 63, 3185-3189.
  • 6
    • 0038106766 scopus 로고    scopus 로고
    • For a review, see
    • (d) For a review, see: Muzart, J. Tetrahedron 2003, 59, 5789-5816.
    • (2003) Tetrahedron , vol.59 , pp. 5789-5816
    • Muzart, J.1
  • 9
    • 0346500606 scopus 로고    scopus 로고
    • For conditions employing chloroform and air, see
    • (c) For conditions employing chloroform and air, see: Bagdanoff, J. T.; Stoltz, B. M. Angew. Chem., Int. Ed. 2004, 43, 353-357.
    • (2004) Angew. Chem., Int. Ed , vol.43 , pp. 353-357
    • Bagdanoff, J.T.1    Stoltz, B.M.2
  • 19
    • 56749110823 scopus 로고    scopus 로고
    • rel = ln[(1- C)(1 -ee)]/ln[(1- C)(1 + ee)], where C is conversion and ee is enantiomeric excess.
    • rel = ln[(1- C)(1 -ee)]/ln[(1- C)(1 + ee)], where C is conversion and ee is enantiomeric excess.
  • 21
    • 0037048610 scopus 로고    scopus 로고
    • O'Brien and co-workers have synthesized analogues of (+)-sparteine that are somewhat effective as sparteine surrogates, see: (a) Dearden, M. J.; Firkin, C. R.; Hermet, J.-P. R.; O'Brien, P. J. Am. Chem. Soc. 2002, 124, 11870-11871.
    • O'Brien and co-workers have synthesized analogues of (+)-sparteine that are somewhat effective as sparteine surrogates, see: (a) Dearden, M. J.; Firkin, C. R.; Hermet, J.-P. R.; O'Brien, P. J. Am. Chem. Soc. 2002, 124, 11870-11871.
  • 25
    • 33947147700 scopus 로고    scopus 로고
    • 2 has recently been reported, with moderate levels of selectivity: Chen, T.; Jiang, J.-J.; Xu, Q.; Shi, M. Org. Lett. 2007, 9, 865-868.
    • 2 has recently been reported, with moderate levels of selectivity: Chen, T.; Jiang, J.-J.; Xu, Q.; Shi, M. Org. Lett. 2007, 9, 865-868.
  • 29
    • 0001176845 scopus 로고    scopus 로고
    • For another example that uses similar logic for, -sparteine, see
    • For another example that uses similar logic for (-)-sparteine, see: Li, X.; Schenkel, L. B.; Kozlowski, M. C. Org. Lett. 2000, 2, 875-878.
    • (2000) Org. Lett , vol.2 , pp. 875-878
    • Li, X.1    Schenkel, L.B.2    Kozlowski, M.C.3
  • 32
    • 56749108627 scopus 로고    scopus 로고
    • Structure originally reported in ref 3a
    • Structure originally reported in ref 3a.
  • 33
    • 77957086255 scopus 로고
    • Manske, R. H. F, Holmes, H. L, Eds, Academic Press: New York
    • Leonard, N. J. In The Alkaloids, Chemistry and Physiology, Vol. III; Manske, R. H. F., Holmes, H. L., Eds.; Academic Press: New York, 1953; pp 119-199.
    • (1953) The Alkaloids, Chemistry and Physiology , vol.3 , pp. 119-199
    • Leonard, N.J.1
  • 34
    • 56749117051 scopus 로고    scopus 로고
    • The same product was observed in the reaction of the chloro-bridged dimer with 2.0 equiv of pyridine in 91% yield. (Chemical Equation Presented)
    • The same product was observed in the reaction of the chloro-bridged dimer with 2.0 equiv of pyridine in 91% yield. (Chemical Equation Presented)
  • 35
    • 56749086921 scopus 로고    scopus 로고
    • Two molecules were found in the asymmetric unit. See Supporting Information for further details
    • Two molecules were found in the asymmetric unit. See Supporting Information for further details.
  • 46
    • 0025248621 scopus 로고    scopus 로고
    • 3). See: Kim, Y.-J.; Osakada, K.; Takenaka, A.; Yamamoto, A. J. Am. Chem. Soc. 1990, 112, 1096-1104.
    • 3). See: Kim, Y.-J.; Osakada, K.; Takenaka, A.; Yamamoto, A. J. Am. Chem. Soc. 1990, 112, 1096-1104.
  • 47
    • 56749141855 scopus 로고    scopus 로고
    • 1H NMR using an internal standard; see Supporting Information.
    • 1H NMR using an internal standard; see Supporting Information.
  • 48
    • 56749111382 scopus 로고    scopus 로고
    • Another possibility is that the thermodynamics of solubility play a role
    • Another possibility is that the thermodynamics of solubility play a role.
  • 49
    • 56749099460 scopus 로고    scopus 로고
    • While the structural studies we have undertaken have been almost exclusively in the solid state, the consistency of the results and the support of theoretical calculations give us confidence in our model
    • While the structural studies we have undertaken have been almost exclusively in the solid state, the consistency of the results and the support of theoretical calculations give us confidence in our model.
  • 54
    • 53849092585 scopus 로고
    • For references pertaining to a-isosparteine, see: a
    • For references pertaining to a-isosparteine, see: (a) Winterfeld, K. Arch. Pharm. 1928, 266, 299-325.
    • (1928) Arch. Pharm , vol.266 , pp. 299-325
    • Winterfeld, K.1
  • 61
    • 27144485148 scopus 로고
    • For references pertaining to β-isosparteine, see: a
    • For references pertaining to β-isosparteine, see: (a) Greenhalgh, R.; Marion, L. Can. J. Chem. 1956, 34, 456-458.
    • (1956) Can. J. Chem , vol.34 , pp. 456-458
    • Greenhalgh, R.1    Marion, L.2
  • 68
    • 56749139302 scopus 로고    scopus 로고
    • Although the sign of rotation is different than for, )-sparteine (1) and, )-α-isosparteine 47, it is in the same enantiomeric series
    • Although the sign of rotation is different than for (-)-sparteine (1) and (-)-α-isosparteine (47), it is in the same enantiomeric series.
  • 69
    • 56749145089 scopus 로고    scopus 로고
    • Cesium carbonate (along with excess, )-sparteine) is a component of the rate-accelerated conditions for oxidative kinetic resolution
    • Cesium carbonate (along with excess (-)-sparteine) is a component of the "rate-accelerated" conditions for oxidative kinetic resolution.
  • 70
    • 56749114857 scopus 로고    scopus 로고
    • While the selectivity for the reaction using (sp)PdCl2 (14) without added ligand was also diminished, we believe this is a result of, )-sparteine (1) decomplexation in the absence of excess ligand
    • 2 (14) without added ligand was also diminished, we believe this is a result of (-)-sparteine (1) decomplexation in the absence of excess ligand.
  • 71
    • 0033740673 scopus 로고    scopus 로고
    • 1-symmetric ligand in asymmetric processes: (a) Resconi, L.; Cavallo, L.; Fait, A.; Piemontesi, F. Chem. Rev. 2000, 100, 1253.
    • 1-symmetric ligand in asymmetric processes: (a) Resconi, L.; Cavallo, L.; Fait, A.; Piemontesi, F. Chem. Rev. 2000, 100, 1253.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.