Di- and tri-valent chlorochromium complexes bearing hydrotris(3,5-diisopropylpyrazolyl)borato ligand (TpiPr2), TpiPr2CrCln(L) (n = 1, 2) and [TpiPr2Cr(μ-Cl)]2: Flexible coordination behavior of the TpiPr2 ligand and reduction features of Cr(II) species

Journal of the Chemical Society, Dalton Transactions

Volumn , Issue 23, 2002, Pages 4514-4524

  Sugawara, Ken Ichiro ^a   Hikichi, Shiro ^a,b   Akita, Munetaka ^a  

^a TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

^b UNIVERSITY OF TOKYO   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTAL STRUCTURE; CRYSTALLOGRAPHY; REDUCTION; SYNTHESIS (CHEMICAL);

BENZYL CHLORIDE; CYCLOPROPANATION; DIVALENT CHLOROCHROMIUM COMPLEXES; TRIVALENT DICHLOROCHROMIUM;

ORGANOMETALLICS;

EID: 0036882885     PISSN: 1470479X     EISSN: None     Source Type: Journal    
DOI: 10.1039/b207326a     Document Type: Article

References (83)

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27. T. J. Donohoe, Oxidation and Reduction in Organic Synthesis, Oxford University Press, Oxford, 2000; Comprehensive Organic Synthesis: Selectivity, Strategy & Efficiency in Modern Organic Chemistry, B. M. Trost, ed., vols. 7 and 8, Oxford, Pergamon Press, 1991; G. Cainelli and G. Cardillo, Chromium Oxidations in Organic Chemistry, Springer, Berlin, 1984; M. Hudlicky, Oxidation in Organic Chemistry, (ACS Monograph 186), American Chemical Society, Washington, DC, 1990; M. Hudlicky, Reductions in Organic Chemistry, 2nd Edn., (ACS monograph 188), American Chemical Society, Washington, DC, 1996; N. A. Saccomano, in Comprehensive Organic Synthesis, B. M. Trost and I. Fleming, eds., Pergamon, Oxford, 1991, vol. 1, p. 173; P. Cintas, Synthesis, 1992, 248; D. Hoppe, in Houben-Weyl, Methods of Organic Chemistry, Stereoselective Synthesis, Thieme, Stuttgart, 1995, vol. E21, 1584; K. Takai, in Encyclopedia of Reagents for Organic Synthesis, L. A. Paquette, ed., Wiley, New York, 1995, p. 1266.
28. T. J. Donohoe, Oxidation and Reduction in Organic Synthesis, Oxford University Press, Oxford, 2000; Comprehensive Organic Synthesis: Selectivity, Strategy & Efficiency in Modern Organic Chemistry, B. M. Trost, ed., vols. 7 and 8, Oxford, Pergamon Press, 1991; G. Cainelli and G. Cardillo, Chromium Oxidations in Organic Chemistry, Springer, Berlin, 1984; M. Hudlicky, Oxidation in Organic Chemistry, (ACS Monograph 186), American Chemical Society, Washington, DC, 1990; M. Hudlicky, Reductions in Organic Chemistry, 2nd Edn., (ACS monograph 188), American Chemical Society, Washington, DC, 1996; N. A. Saccomano, in Comprehensive Organic Synthesis, B. M. Trost and I. Fleming, eds., Pergamon, Oxford, 1991, vol. 1, p. 173; P. Cintas, Synthesis, 1992, 248; D. Hoppe, in Houben-Weyl, Methods of Organic Chemistry, Stereoselective Synthesis, Thieme, Stuttgart, 1995, vol. E21, 1584; K. Takai, in Encyclopedia of Reagents for Organic Synthesis, L. A. Paquette, ed., Wiley, New York, 1995, p. 1266.
29. T. J. Donohoe, Oxidation and Reduction in Organic Synthesis, Oxford University Press, Oxford, 2000; Comprehensive Organic Synthesis: Selectivity, Strategy & Efficiency in Modern Organic Chemistry, B. M. Trost, ed., vols. 7 and 8, Oxford, Pergamon Press, 1991; G. Cainelli and G. Cardillo, Chromium Oxidations in Organic Chemistry, Springer, Berlin, 1984; M. Hudlicky, Oxidation in Organic Chemistry, (ACS Monograph 186), American Chemical Society, Washington, DC, 1990; M. Hudlicky, Reductions in Organic Chemistry, 2nd Edn., (ACS monograph 188), American Chemical Society, Washington, DC, 1996; N. A. Saccomano, in Comprehensive Organic Synthesis, B. M. Trost and I. Fleming, eds., Pergamon, Oxford, 1991, vol. 1, p. 173; P. Cintas, Synthesis, 1992, 248; D. Hoppe, in Houben-Weyl, Methods of Organic Chemistry, Stereoselective Synthesis, Thieme, Stuttgart, 1995, vol. E21, 1584; K. Takai, in Encyclopedia of Reagents for Organic Synthesis, L. A. Paquette, ed., Wiley, New York, 1995, p. 1266.
30. T. J. Donohoe, Oxidation and Reduction in Organic Synthesis, Oxford University Press, Oxford, 2000; Comprehensive Organic Synthesis: Selectivity, Strategy & Efficiency in Modern Organic Chemistry, B. M. Trost, ed., vols. 7 and 8, Oxford, Pergamon Press, 1991; G. Cainelli and G. Cardillo, Chromium Oxidations in Organic Chemistry, Springer, Berlin, 1984; M. Hudlicky, Oxidation in Organic Chemistry, (ACS Monograph 186), American Chemical Society, Washington, DC, 1990; M. Hudlicky, Reductions in Organic Chemistry, 2nd Edn., (ACS monograph 188), American Chemical Society, Washington, DC, 1996; N. A. Saccomano, in Comprehensive Organic Synthesis, B. M. Trost and I. Fleming, eds., Pergamon, Oxford, 1991, vol. 1, p. 173; P. Cintas, Synthesis, 1992, 248; D. Hoppe, in Houben-Weyl, Methods of Organic Chemistry, Stereoselective Synthesis, Thieme, Stuttgart, 1995, vol. E21, 1584; K. Takai, in Encyclopedia of Reagents for Organic Synthesis, L. A. Paquette, ed., Wiley, New York, 1995, p. 1266.
31. T. J. Donohoe, Oxidation and Reduction in Organic Synthesis, Oxford University Press, Oxford, 2000; Comprehensive Organic Synthesis: Selectivity, Strategy & Efficiency in Modern Organic Chemistry, B. M. Trost, ed., vols. 7 and 8, Oxford, Pergamon Press, 1991; G. Cainelli and G. Cardillo, Chromium Oxidations in Organic Chemistry, Springer, Berlin, 1984; M. Hudlicky, Oxidation in Organic Chemistry, (ACS Monograph 186), American Chemical Society, Washington, DC, 1990; M. Hudlicky, Reductions in Organic Chemistry, 2nd Edn., (ACS monograph 188), American Chemical Society, Washington, DC, 1996; N. A. Saccomano, in Comprehensive Organic Synthesis, B. M. Trost and I. Fleming, eds., Pergamon, Oxford, 1991, vol. 1, p. 173; P. Cintas, Synthesis, 1992, 248; D. Hoppe, in Houben-Weyl, Methods of Organic Chemistry, Stereoselective Synthesis, Thieme, Stuttgart, 1995, vol. E21, 1584; K. Takai, in Encyclopedia of Reagents for Organic Synthesis, L. A. Paquette, ed., Wiley, New York, 1995, p. 1266.
32. T. J. Donohoe, Oxidation and Reduction in Organic Synthesis, Oxford University Press, Oxford, 2000; Comprehensive Organic Synthesis: Selectivity, Strategy & Efficiency in Modern Organic Chemistry, B. M. Trost, ed., vols. 7 and 8, Oxford, Pergamon Press, 1991; G. Cainelli and G. Cardillo, Chromium Oxidations in Organic Chemistry, Springer, Berlin, 1984; M. Hudlicky, Oxidation in Organic Chemistry, (ACS Monograph 186), American Chemical Society, Washington, DC, 1990; M. Hudlicky, Reductions in Organic Chemistry, 2nd Edn., (ACS monograph 188), American Chemical Society, Washington, DC, 1996; N. A. Saccomano, in Comprehensive Organic Synthesis, B. M. Trost and I. Fleming, eds., Pergamon, Oxford, 1991, vol. 1, p. 173; P. Cintas, Synthesis, 1992, 248; D. Hoppe, in Houben-Weyl, Methods of Organic Chemistry, Stereoselective Synthesis, Thieme, Stuttgart, 1995, vol. E21, 1584; K. Takai, in Encyclopedia of Reagents for Organic Synthesis, L. A. Paquette, ed., Wiley, New York, 1995, p. 1266.
33. For pinacol coupling mediated by chromium species, see, for example, (a) D. D. Davis and W. B. Bigelow, J. Am. Chem. Soc., 1970, 26, 5127; (b) D. W. Sopher and J. H. P. Utley, J. Chem. Soc., Chem. Commun., 1979, 1087; (c) A. Svatos and W. Boland, Synlett, 1998, 549; (d) A. Fürstner and N. Shi., J. Am. Chem. Soc., 1996, 118, 12349.
34. For pinacol coupling mediated by chromium species, see, for example, (a) D. D. Davis and W. B. Bigelow, J. Am. Chem. Soc., 1970, 26, 5127; (b) D. W. Sopher and J. H. P. Utley, J. Chem. Soc., Chem. Commun., 1979, 1087; (c) A. Svatos and W. Boland, Synlett, 1998, 549; (d) A. Fürstner and N. Shi., J. Am. Chem. Soc., 1996, 118, 12349.
35. For pinacol coupling mediated by chromium species, see, for example, (a) D. D. Davis and W. B. Bigelow, J. Am. Chem. Soc., 1970, 26, 5127; (b) D. W. Sopher and J. H. P. Utley, J. Chem. Soc., Chem. Commun., 1979, 1087; (c) A. Svatos and W. Boland, Synlett, 1998, 549; (d) A. Fürstner and N. Shi., J. Am. Chem. Soc., 1996, 118, 12349.
36. For pinacol coupling mediated by chromium species, see, for example, (a) D. D. Davis and W. B. Bigelow, J. Am. Chem. Soc., 1970, 26, 5127; (b) D. W. Sopher and J. H. P. Utley, J. Chem. Soc., Chem. Commun., 1979, 1087; (c) A. Svatos and W. Boland, Synlett, 1998, 549; (d) A. Fürstner and N. Shi., J. Am. Chem. Soc., 1996, 118, 12349.
37. Examples of structurally characterized four- or five-coordinate Cr(II) complexes: A. R. Hermes and G. S. Girorami, Inorg. Chem., 1988, 27, 1775; F. A. Cotton, R. L. Luck and K.-A. Son, Inorg. Chim. Acta, 1990, 168, 3; M. D. Fryzuk, D. B. Leznoff and S. J. Rettig, Organometallics, 1997, 16, 5116; V. C. Gibson, C. Newton, C. Redshaw, G. A. Solan, A. J. P. White and D. J. Williams, Eur. J. Inorg. Chem., 2001, 1895; J. J. H. Edema, S. Gambarotta, A. Meetsma and A. L. Spek, Organometallics, 1992, 11, 2452; B. Bachmann, J. Heck, F. Hahn, W. Massa and J. Pebbler, Z. Anorg. Allg. Chem., 1995, 621, 2061.
38. Examples of structurally characterized four- or five-coordinate Cr(II) complexes: A. R. Hermes and G. S. Girorami, Inorg. Chem., 1988, 27, 1775; F. A. Cotton, R. L. Luck and K.-A. Son, Inorg. Chim. Acta, 1990, 168, 3; M. D. Fryzuk, D. B. Leznoff and S. J. Rettig, Organometallics, 1997, 16, 5116; V. C. Gibson, C. Newton, C. Redshaw, G. A. Solan, A. J. P. White and D. J. Williams, Eur. J. Inorg. Chem., 2001, 1895; J. J. H. Edema, S. Gambarotta, A. Meetsma and A. L. Spek, Organometallics, 1992, 11, 2452; B. Bachmann, J. Heck, F. Hahn, W. Massa and J. Pebbler, Z. Anorg. Allg. Chem., 1995, 621, 2061.
39. Examples of structurally characterized four- or five-coordinate Cr(II) complexes: A. R. Hermes and G. S. Girorami, Inorg. Chem., 1988, 27, 1775; F. A. Cotton, R. L. Luck and K.-A. Son, Inorg. Chim. Acta, 1990, 168, 3; M. D. Fryzuk, D. B. Leznoff and S. J. Rettig, Organometallics, 1997, 16, 5116; V. C. Gibson, C. Newton, C. Redshaw, G. A. Solan, A. J. P. White and D. J. Williams, Eur. J. Inorg. Chem., 2001, 1895; J. J. H. Edema, S. Gambarotta, A. Meetsma and A. L. Spek, Organometallics, 1992, 11, 2452; B. Bachmann, J. Heck, F. Hahn, W. Massa and J. Pebbler, Z. Anorg. Allg. Chem., 1995, 621, 2061.
40. Examples of structurally characterized four- or five-coordinate Cr(II) complexes: A. R. Hermes and G. S. Girorami, Inorg. Chem., 1988, 27, 1775; F. A. Cotton, R. L. Luck and K.-A. Son, Inorg. Chim. Acta, 1990, 168, 3; M. D. Fryzuk, D. B. Leznoff and S. J. Rettig, Organometallics, 1997, 16, 5116; V. C. Gibson, C. Newton, C. Redshaw, G. A. Solan, A. J. P. White and D. J. Williams, Eur. J. Inorg. Chem., 2001, 1895; J. J. H. Edema, S. Gambarotta, A. Meetsma and A. L. Spek, Organometallics, 1992, 11, 2452; B. Bachmann, J. Heck, F. Hahn, W. Massa and J. Pebbler, Z. Anorg. Allg. Chem., 1995, 621, 2061.
41. Examples of structurally characterized four- or five-coordinate Cr(II) complexes: A. R. Hermes and G. S. Girorami, Inorg. Chem., 1988, 27, 1775; F. A. Cotton, R. L. Luck and K.-A. Son, Inorg. Chim. Acta, 1990, 168, 3; M. D. Fryzuk, D. B. Leznoff and S. J. Rettig, Organometallics, 1997, 16, 5116; V. C. Gibson, C. Newton, C. Redshaw, G. A. Solan, A. J. P. White and D. J. Williams, Eur. J. Inorg. Chem., 2001, 1895; J. J. H. Edema, S. Gambarotta, A. Meetsma and A. L. Spek, Organometallics, 1992, 11, 2452; B. Bachmann, J. Heck, F. Hahn, W. Massa and J. Pebbler, Z. Anorg. Allg. Chem., 1995, 621, 2061.
42. Examples of structurally characterized four- or five-coordinate Cr(II) complexes: A. R. Hermes and G. S. Girorami, Inorg. Chem., 1988, 27, 1775; F. A. Cotton, R. L. Luck and K.-A. Son, Inorg. Chim. Acta, 1990, 168, 3; M. D. Fryzuk, D. B. Leznoff and S. J. Rettig, Organometallics, 1997, 16, 5116; V. C. Gibson, C. Newton, C. Redshaw, G. A. Solan, A. J. P. White and D. J. Williams, Eur. J. Inorg. Chem., 2001, 1895; J. J. H. Edema, S. Gambarotta, A. Meetsma and A. L. Spek, Organometallics, 1992, 11, 2452; B. Bachmann, J. Heck, F. Hahn, W. Massa and J. Pebbler, Z. Anorg. Allg. Chem., 1995, 621, 2061.
43. A preliminary communication of this study has appeared: K. Sugawara, S. Hikichi and M. Akita, Chem. Lett., 2001, 1094.
44. M. Akita, K. Ohta, Y. Takahashi, S. Hikichi and Y. Moro-oka, Organometallics, 1997, 16, 4121.
45. (a) A. W. Addison, T. N. Rao, J. Reedijk, J. van Rijn and G. C. Verschoor, J. Chem. Soc., Dalton Trans., 1984, 1349;
46. (b) See also, S. Alvarez and M. Llunell, J. Chem. Soc., Dalton Trans., 2000, 3288.
47. Calculated using atomic coordinates obtained from the CCDC.
48. iPr2M-Cl: (M = Mn) M. Osawa, N. Kitajima, S. Hikichi, and Y. Moro-oka, unpublished work; (M = Fe) M. Ito, H. Amagai, H. Fukui, N. Kitajima and Y. Moro-oka, Bull. Chem. Soc. Jpn., 1996, 69, 1937; (M = Co) N. Shirasawa and M. Akita, unpublished work; (M = Ni); N. Shirasawa, T. T. Nguyet, S. Hikichi, Y. Moro-oka and M. Akita, Organometallics, 2001, 20, 3582; (M = Cu) N. Kitajima, K. Fujisawa and Y. Moro-oka, J. Am. Chem. Soc., 1990, 112, 3210.
49. iPr2M-Cl: (M = Mn) M. Osawa, N. Kitajima, S. Hikichi, and Y. Moro-oka, unpublished work; (M = Fe) M. Ito, H. Amagai, H. Fukui, N. Kitajima and Y. Moro-oka, Bull. Chem. Soc. Jpn., 1996, 69, 1937; (M = Co) N. Shirasawa and M. Akita, unpublished work; (M = Ni); N. Shirasawa, T. T. Nguyet, S. Hikichi, Y. Moro-oka and M. Akita, Organometallics, 2001, 20, 3582; (M = Cu) N. Kitajima, K. Fujisawa and Y. Moro-oka, J. Am. Chem. Soc., 1990, 112, 3210.
50. iPr2M-Cl: (M = Mn) M. Osawa, N. Kitajima, S. Hikichi, and Y. Moro-oka, unpublished work; (M = Fe) M. Ito, H. Amagai, H. Fukui, N. Kitajima and Y. Moro-oka, Bull. Chem. Soc. Jpn., 1996, 69, 1937; (M = Co) N. Shirasawa and M. Akita, unpublished work; (M = Ni); N. Shirasawa, T. T. Nguyet, S. Hikichi, Y. Moro-oka and M. Akita, Organometallics, 2001, 20, 3582; (M = Cu) N. Kitajima, K. Fujisawa and Y. Moro-oka, J. Am. Chem. Soc., 1990, 112, 3210.
51. iPr2M-Cl: (M = Mn) M. Osawa, N. Kitajima, S. Hikichi, and Y. Moro-oka, unpublished work; (M = Fe) M. Ito, H. Amagai, H. Fukui, N. Kitajima and Y. Moro-oka, Bull. Chem. Soc. Jpn., 1996, 69, 1937; (M = Co) N. Shirasawa and M. Akita, unpublished work; (M = Ni); N. Shirasawa, T. T. Nguyet, S. Hikichi, Y. Moro-oka and M. Akita, Organometallics, 2001, 20, 3582; (M = Cu) N. Kitajima, K. Fujisawa and Y. Moro-oka, J. Am. Chem. Soc., 1990, 112, 3210.
52. iPr2M-Cl: (M = Mn) M. Osawa, N. Kitajima, S. Hikichi, and Y. Moro-oka, unpublished work; (M = Fe) M. Ito, H. Amagai, H. Fukui, N. Kitajima and Y. Moro-oka, Bull. Chem. Soc. Jpn., 1996, 69, 1937; (M = Co) N. Shirasawa and M. Akita, unpublished work; (M = Ni); N. Shirasawa, T. T. Nguyet, S. Hikichi, Y. Moro-oka and M. Akita, Organometallics, 2001, 20, 3582; (M = Cu) N. Kitajima, K. Fujisawa and Y. Moro-oka, J. Am. Chem. Soc., 1990, 112, 3210.
53. D. L. Reger, R. Mahtab, J. C. Bazter and L. Lebioda, Inorg. Chem., 1986, 25, 2046.
54. C. A. kosky, P. Ganis and G. Avitabile, Acta Crystallogr., Sect. B, 1971, 27, 1859; F. A. Cotton, M. Jeremic and A. Shaver, Inorg. Chim. Acta, 1972, 6, 543; J. S. Thompson, J. L. Zitzman, T. J. Marks and J. A. Ibers, Inorg. Chim. Acta, 1980, 46, L101; D. L. Reger, C. A. Swift and L. Lebioda, J. Am. Chem. Soc., 1983, 105, 5343; A. Pizzano, L. Sánchez, Cutiérrez, A. Monge and E. Carmona, Organometallics, 1995, 14, 14; Dowring and G. Parkin, Polyhedron, 1996, 15, 2463; S. K. Chowdhury, U. Samanta, V. G. Puranik and A. Sarkar, Organometallics, 1997, 16, 2618; A. F. Hill and J. M. Malget, J. Chem. Soc., Dalton Trans., 1997, 2003; P. Ghosh and G. Parkin, Chem. Commun., 1998, 413; A. Paulo, J. Ascenso, A. Domingos, A. Galvao and I. Santos, J. Chem. Soc., Dalton Trans., 1999, 1293; See also Y. Takahashi, M. Akita, S. Hikichi and Y. Moro-oka, Organometallics, 1998, 17, 4884 and references cited therein.
55. C. A. kosky, P. Ganis and G. Avitabile, Acta Crystallogr., Sect. B, 1971, 27, 1859; F. A. Cotton, M. Jeremic and A. Shaver, Inorg. Chim. Acta, 1972, 6, 543; J. S. Thompson, J. L. Zitzman, T. J. Marks and J. A. Ibers, Inorg. Chim. Acta, 1980, 46, L101; D. L. Reger, C. A. Swift and L. Lebioda, J. Am. Chem. Soc., 1983, 105, 5343; A. Pizzano, L. Sánchez, Cutiérrez, A. Monge and E. Carmona, Organometallics, 1995, 14, 14; Dowring and G. Parkin, Polyhedron, 1996, 15, 2463; S. K. Chowdhury, U. Samanta, V. G. Puranik and A. Sarkar, Organometallics, 1997, 16, 2618; A. F. Hill and J. M. Malget, J. Chem. Soc., Dalton Trans., 1997, 2003; P. Ghosh and G. Parkin, Chem. Commun., 1998, 413; A. Paulo, J. Ascenso, A. Domingos, A. Galvao and I. Santos, J. Chem. Soc., Dalton Trans., 1999, 1293; See also Y. Takahashi, M. Akita, S. Hikichi and Y. Moro-oka, Organometallics, 1998, 17, 4884 and references cited therein.
56. C. A. kosky, P. Ganis and G. Avitabile, Acta Crystallogr., Sect. B, 1971, 27, 1859; F. A. Cotton, M. Jeremic and A. Shaver, Inorg. Chim. Acta, 1972, 6, 543; J. S. Thompson, J. L. Zitzman, T. J. Marks and J. A. Ibers, Inorg. Chim. Acta, 1980, 46, L101; D. L. Reger, C. A. Swift and L. Lebioda, J. Am. Chem. Soc., 1983, 105, 5343; A. Pizzano, L. Sánchez, Cutiérrez, A. Monge and E. Carmona, Organometallics, 1995, 14, 14; Dowring and G. Parkin, Polyhedron, 1996, 15, 2463; S. K. Chowdhury, U. Samanta, V. G. Puranik and A. Sarkar, Organometallics, 1997, 16, 2618; A. F. Hill and J. M. Malget, J. Chem. Soc., Dalton Trans., 1997, 2003; P. Ghosh and G. Parkin, Chem. Commun., 1998, 413; A. Paulo, J. Ascenso, A. Domingos, A. Galvao and I. Santos, J. Chem. Soc., Dalton Trans., 1999, 1293; See also Y. Takahashi, M. Akita, S. Hikichi and Y. Moro-oka, Organometallics, 1998, 17, 4884 and references cited therein.
57. C. A. kosky, P. Ganis and G. Avitabile, Acta Crystallogr., Sect. B, 1971, 27, 1859; F. A. Cotton, M. Jeremic and A. Shaver, Inorg. Chim. Acta, 1972, 6, 543; J. S. Thompson, J. L. Zitzman, T. J. Marks and J. A. Ibers, Inorg. Chim. Acta, 1980, 46, L101; D. L. Reger, C. A. Swift and L. Lebioda, J. Am. Chem. Soc., 1983, 105, 5343; A. Pizzano, L. Sánchez, Cutiérrez, A. Monge and E. Carmona, Organometallics, 1995, 14, 14; Dowring and G. Parkin, Polyhedron, 1996, 15, 2463; S. K. Chowdhury, U. Samanta, V. G. Puranik and A. Sarkar, Organometallics, 1997, 16, 2618; A. F. Hill and J. M. Malget, J. Chem. Soc., Dalton Trans., 1997, 2003; P. Ghosh and G. Parkin, Chem. Commun., 1998, 413; A. Paulo, J. Ascenso, A. Domingos, A. Galvao and I. Santos, J. Chem. Soc., Dalton Trans., 1999, 1293; See also Y. Takahashi, M. Akita, S. Hikichi and Y. Moro-oka, Organometallics, 1998, 17, 4884 and references cited therein.
58. C. A. kosky, P. Ganis and G. Avitabile, Acta Crystallogr., Sect. B, 1971, 27, 1859; F. A. Cotton, M. Jeremic and A. Shaver, Inorg. Chim. Acta, 1972, 6, 543; J. S. Thompson, J. L. Zitzman, T. J. Marks and J. A. Ibers, Inorg. Chim. Acta, 1980, 46, L101; D. L. Reger, C. A. Swift and L. Lebioda, J. Am. Chem. Soc., 1983, 105, 5343; A. Pizzano, L. Sánchez, Cutiérrez, A. Monge and E. Carmona, Organometallics, 1995, 14, 14; Dowring and G. Parkin, Polyhedron, 1996, 15, 2463; S. K. Chowdhury, U. Samanta, V. G. Puranik and A. Sarkar, Organometallics, 1997, 16, 2618; A. F. Hill and J. M. Malget, J. Chem. Soc., Dalton Trans., 1997, 2003; P. Ghosh and G. Parkin, Chem. Commun., 1998, 413; A. Paulo, J. Ascenso, A. Domingos, A. Galvao and I. Santos, J. Chem. Soc., Dalton Trans., 1999, 1293; See also Y. Takahashi, M. Akita, S. Hikichi and Y. Moro-oka, Organometallics, 1998, 17, 4884 and references cited therein.
59. C. A. kosky, P. Ganis and G. Avitabile, Acta Crystallogr., Sect. B, 1971, 27, 1859; F. A. Cotton, M. Jeremic and A. Shaver, Inorg. Chim. Acta, 1972, 6, 543; J. S. Thompson, J. L. Zitzman, T. J. Marks and J. A. Ibers, Inorg. Chim. Acta, 1980, 46, L101; D. L. Reger, C. A. Swift and L. Lebioda, J. Am. Chem. Soc., 1983, 105, 5343; A. Pizzano, L. Sánchez, Cutiérrez, A. Monge and E. Carmona, Organometallics, 1995, 14, 14; Dowring and G. Parkin, Polyhedron, 1996, 15, 2463; S. K. Chowdhury, U. Samanta, V. G. Puranik and A. Sarkar, Organometallics, 1997, 16, 2618; A. F. Hill and J. M. Malget, J. Chem. Soc., Dalton Trans., 1997, 2003; P. Ghosh and G. Parkin, Chem. Commun., 1998, 413; A. Paulo, J. Ascenso, A. Domingos, A. Galvao and I. Santos, J. Chem. Soc., Dalton Trans., 1999, 1293; See also Y. Takahashi, M. Akita, S. Hikichi and Y. Moro-oka, Organometallics, 1998, 17, 4884 and references cited therein.
60. C. A. kosky, P. Ganis and G. Avitabile, Acta Crystallogr., Sect. B, 1971, 27, 1859; F. A. Cotton, M. Jeremic and A. Shaver, Inorg. Chim. Acta, 1972, 6, 543; J. S. Thompson, J. L. Zitzman, T. J. Marks and J. A. Ibers, Inorg. Chim. Acta, 1980, 46, L101; D. L. Reger, C. A. Swift and L. Lebioda, J. Am. Chem. Soc., 1983, 105, 5343; A. Pizzano, L. Sánchez, Cutiérrez, A. Monge and E. Carmona, Organometallics, 1995, 14, 14; Dowring and G. Parkin, Polyhedron, 1996, 15, 2463; S. K. Chowdhury, U. Samanta, V. G. Puranik and A. Sarkar, Organometallics, 1997, 16, 2618; A. F. Hill and J. M. Malget, J. Chem. Soc., Dalton Trans., 1997, 2003; P. Ghosh and G. Parkin, Chem. Commun., 1998, 413; A. Paulo, J. Ascenso, A. Domingos, A. Galvao and I. Santos, J. Chem. Soc., Dalton Trans., 1999, 1293; See also Y. Takahashi, M. Akita, S. Hikichi and Y. Moro-oka, Organometallics, 1998, 17, 4884 and references cited therein.
61. C. A. kosky, P. Ganis and G. Avitabile, Acta Crystallogr., Sect. B, 1971, 27, 1859; F. A. Cotton, M. Jeremic and A. Shaver, Inorg. Chim. Acta, 1972, 6, 543; J. S. Thompson, J. L. Zitzman, T. J. Marks and J. A. Ibers, Inorg. Chim. Acta, 1980, 46, L101; D. L. Reger, C. A. Swift and L. Lebioda, J. Am. Chem. Soc., 1983, 105, 5343; A. Pizzano, L. Sánchez, Cutiérrez, A. Monge and E. Carmona, Organometallics, 1995, 14, 14; Dowring and G. Parkin, Polyhedron, 1996, 15, 2463; S. K. Chowdhury, U. Samanta, V. G. Puranik and A. Sarkar, Organometallics, 1997, 16, 2618; A. F. Hill and J. M. Malget, J. Chem. Soc., Dalton Trans., 1997, 2003; P. Ghosh and G. Parkin, Chem. Commun., 1998, 413; A. Paulo, J. Ascenso, A. Domingos, A. Galvao and I. Santos, J. Chem. Soc., Dalton Trans., 1999, 1293; See also Y. Takahashi, M. Akita, S. Hikichi and Y. Moro-oka, Organometallics, 1998, 17, 4884 and references cited therein.
62. C. A. kosky, P. Ganis and G. Avitabile, Acta Crystallogr., Sect. B, 1971, 27, 1859; F. A. Cotton, M. Jeremic and A. Shaver, Inorg. Chim. Acta, 1972, 6, 543; J. S. Thompson, J. L. Zitzman, T. J. Marks and J. A. Ibers, Inorg. Chim. Acta, 1980, 46, L101; D. L. Reger, C. A. Swift and L. Lebioda, J. Am. Chem. Soc., 1983, 105, 5343; A. Pizzano, L. Sánchez, Cutiérrez, A. Monge and E. Carmona, Organometallics, 1995, 14, 14; Dowring and G. Parkin, Polyhedron, 1996, 15, 2463; S. K. Chowdhury, U. Samanta, V. G. Puranik and A. Sarkar, Organometallics, 1997, 16, 2618; A. F. Hill and J. M. Malget, J. Chem. Soc., Dalton Trans., 1997, 2003; P. Ghosh and G. Parkin, Chem. Commun., 1998, 413; A. Paulo, J. Ascenso, A. Domingos, A. Galvao and I. Santos, J. Chem. Soc., Dalton Trans., 1999, 1293; See also Y. Takahashi, M. Akita, S. Hikichi and Y. Moro-oka, Organometallics, 1998, 17, 4884 and references cited therein.
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