Catalytic behavior of bis(pyrrolide-imine) and bis(phenoxy-imine) titanium complexes for the copolymerization of ethylene with propylene, 1-hexene, or norbornene

Israel Journal of Chemistry

Volumn 42, Issue 4, 2002, Pages 353-359

  Yoshida, Yasunori ^a   Nakano, Takashi ^a   Tanaka, Hidetsugu ^a   Fujita, Terunori ^a  

^a MITSUI CHEMICALS INC   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

1 HEXENE; COPOLYMER; ETHYLENE; IMINE; LIGAND; METAL DERIVATIVE; NORBORNENE DERIVATIVE; PROPYLENE; PYRROLIDINE DERIVATIVE; TITANIUM DERIVATIVE; TRANSITION ELEMENT;

ARTICLE; CATALYSIS; CATALYST; COMPLEX FORMATION; CRYSTAL STRUCTURE; ELECTRICITY; MOLECULAR WEIGHT; POLYMERIZATION; REACTION ANALYSIS; STEREOCHEMISTRY; STRUCTURE ANALYSIS; X RAY CRYSTALLOGRAPHY;

EID: 16544375321     PISSN: 00212148     EISSN: None     Source Type: Journal    
DOI: 10.1560/3EL3-4VVK-ERAV-62NF     Document Type: Article

References (90)

1. Brintzinger, H.H.; Fischer, D.; Mülhaupt, R.; Rieger, B.; Waymouth, R.M. Angew. Chem., Int. Ed. Engl. 1995, 34, 1143-1170.
2. McKnight, A.L.; Waymouth, R.M. Chem. Rev. 1998, 98, 2587-2598.
3. Janiak, C.; Lassahn, P.G. Macromol. Rapid Commun. 2001, 22, 479-492.
4. (a) Britovsek, G.J.P.; Gibson, V.C.; Wass, D.F. Angew. Chem. Int. Ed. 1999, 38, 428-447.
5. (b) Ittel, S.D.; Johnson, L.K.; Brookhart, M. Chem. Rev. 2000, 100, 1169-1203.
6. (c) Gibson, V.C.; Spitzmesser, S.K. Chem. Rev. 2003, 103, 283-315.
7. (a) Miyatake, T.; Mizunuma, K.; Seki, Y.; Kakugo, M. Makromol. Chem., Rapid Commun. 1989, 10, 349-352.
8. (b) der Linden, A.V.; Schaverien, C.J.; Meijboom, N.; Ganter, C.J.; Orpen, A.G. J. Am. Chem. Soc. 1995, 117, 3008-3021.
9. (c) Johnson, L.K.; Killian, C.M.; Brookhart, M. J. Am. Chem. Soc. 1995, 117, 6414-6417.
10. (d) Scolard, J.D.; McConville, D.H. J. Am. Chem. Soc. 1996, 118, 10008-10009.
11. (e) Johnson, L.K.; Mecking, S.; Brookhart, M. S.; J. Am. Chem. Soc. 1996, 120, 267-268.
12. (f) Scollard, J.D.; McConville, D.H.; Payne, N.C.; Vittal, J.J. Macromolecules 1996, 29, 5241-5243.
13. (g) Baumann, R.; Davis, W.M.; Schrock, R.R. J. Am. Chem. Soc. 1997, 119, 3830-3831.
14. (h) Small, B.L.; Brookhart, M.; Bennett, M. J. Am. Chem. Soc. 1998, 120, 4049-4050.
15. (i) Britovsek, G.J.P.; Gibson, V.C.; Kimberley, B.S.; Maddox, P.J.; McTavish, S.J.; Solan, G.A.; White, A.J.P.; Williams, D.J. Chem. Commun. 1998, 849-850.
16. (j) Wang, C.; Friedrich, S.; Younkin, T.R.; Li, R.T.; Grubbs, R.H.; Bansleben, D.A.; Day, M.W. Organometallics 1998, 17, 3149-3151.
17. (k) Jeon, Y-M.; Park, S.J.; Heo, J.; Kim, K. Organometallics 1998, 17, 3161-3163.
18. (l) Nomura, K.; Naga, N.; Takaoki, K. Macromolecules 1998, 31, 8009-8015.
19. (m) Volkis, V.; Shmulinson, M.; Averbuj, C.; Lisovskii, A.; Edelmann, F.T.; Eisen, M. S. Organometallics 1998, 17, 3155-3157.
20. (n) Stephan, D.W.; Guerin, F.; Spence, R.E. v. H.; Koch, L.; Gao, X.; Brown, S.J.; Swabey, J.W.; Wang, Q.; Xu, W.; Zoricak, P.; Harrison, D.G. Organometallics 1999, 18, 2046-2048.
21. (o) Tshuva, E.Y.; Goldberg, L; Kol, M.; Weitman, H.; Goldschmidt, Z. Chem. Commun. 2000, 379-380.
22. (p) Younkin, T.R.; Cornor, E.F.; Henderson, J.I.; Friedrich, S.K.; Grubbs, R.H.; Bansleben, D.A. Science 2000, 287, 460-462.
23. (q) Tshuva, E.Y.; Goldberg, I.; Kol, M. J. Am. Chem. Soc. 2000, 20, 10706-10707.
24. (r) Tshuva, E.Y.; Goldberg, I.; Kol, M.; Goldschmidt, Z. Organometallics 2001, 20, 3017-3028.
25. (s) Murtuza, S.; Casagrande, O.L.Jr.; Jordan, R.F. Organometallics 2002, 21, 1882-1890.
26. (t) Tshuva, E.Y.; Groysman, S.; Goldberg, I.; Kol, M. Organometallics 2002, 21, 662-670.
27. (u) Mehrkhodavandi, P.; Bonitatebus, P.J.Jr.; Schrock, R.R. J. Am. Chem. Soc. 2002, 122, 7841-7842.
28. Pioneering research regarding this field: (a) Bei, X.; Swenson, D.C.; Jordan, R.F. Organometallics 1997, 16, 3282-3302. (b) Tsukahara, T.; Swenson, D.C.; Jordan, R. F. Organometallics 1997, 16, 3303-3313. (c) Kim, I.; Nishihara, Y.; Jordan, R.F.; Rogers, R.D.; Rheingold, A.L.; Yap, P. A. Organometallics 1997, 16, 3314-3323. (d) Jones, D.; Roberts, A.; Cavell, K.; Keim, W.; Englert, U.; Skelton, B.W.; White, A.H. J. Chem. Soc., Dalton Trans. 1998, 255-262.
29. Pioneering research regarding this field: (a) Bei, X.; Swenson, D.C.; Jordan, R.F. Organometallics 1997, 16, 3282-3302. (b) Tsukahara, T.; Swenson, D.C.; Jordan, R. F. Organometallics 1997, 16, 3303-3313. (c) Kim, I.; Nishihara, Y.; Jordan, R.F.; Rogers, R.D.; Rheingold, A.L.; Yap, P. A. Organometallics 1997, 16, 3314-3323. (d) Jones, D.; Roberts, A.; Cavell, K.; Keim, W.; Englert, U.; Skelton, B.W.; White, A.H. J. Chem. Soc., Dalton Trans. 1998, 255-262.
30. Pioneering research regarding this field: (a) Bei, X.; Swenson, D.C.; Jordan, R.F. Organometallics 1997, 16, 3282-3302. (b) Tsukahara, T.; Swenson, D.C.; Jordan, R. F. Organometallics 1997, 16, 3303-3313. (c) Kim, I.; Nishihara, Y.; Jordan, R.F.; Rogers, R.D.; Rheingold, A.L.; Yap, P. A. Organometallics 1997, 16, 3314-3323. (d) Jones, D.; Roberts, A.; Cavell, K.; Keim, W.; Englert, U.; Skelton, B.W.; White, A.H. J. Chem. Soc., Dalton Trans. 1998, 255-262.
31. Pioneering research regarding this field: (a) Bei, X.; Swenson, D.C.; Jordan, R.F. Organometallics 1997, 16, 3282-3302. (b) Tsukahara, T.; Swenson, D.C.; Jordan, R. F. Organometallics 1997, 16, 3303-3313. (c) Kim, I.; Nishihara, Y.; Jordan, R.F.; Rogers, R.D.; Rheingold, A.L.; Yap, P. A. Organometallics 1997, 16, 3314-3323. (d) Jones, D.; Roberts, A.; Cavell, K.; Keim, W.; Englert, U.; Skelton, B.W.; White, A.H. J. Chem. Soc., Dalton Trans. 1998, 255-262.
32. (a) Fujita, T.; Tohi, Y.; Mitani, M.; Matsui, S.; Saito, J.; Nitabaru, M.; Sugi, K.; Makio, H.; Tsutsui, T. Europe Patent, EP-0874005, 1998, filing date, Apr. 25, 1997, (Chem. Abstr. 1998, 129, 331166).
33. (b) Matsui, S.; Tohi, Y.; Mitani, M.; Saito, J.; Makio, H.; Tanaka, H.; Nitabaru, M.; Nakano, T.; Fujita, T. Chem. Lett. 1999, 1065-1066.
34. (c) Matsui, S.; Mitani, M.; Saito, J.; Tohi, Y.; Makio, H.; Tanaka, H.; Fujita, T. Chem. Lett. 1999, 1263-1264.
35. (d) Matsui, S.; Mitani, M.; Saito, J.; Matsukawa, N.; Tanaka, H.; Nakano, T; Fujita, T. Chem. Lett. 2000, 554-555.
36. (e) Saito, J.; Mitani, M.; Matsui, S.; Kashiwa, N.; Fujita, T. Macromol. Rapid Commun. 2000, 21, 1333-1336.
37. (f) Matsui, S.; Fujita, T. Catal. Today 2001, 66, 63-73.
38. (g) Matsukawa, N.; Matsui, S.; Mitani, M.; Saito, J.; Tsuru, K.; Kashiwa, N.; Fujita, T. J. Mol. Catal. A 2001, 169, 99-104.
39. (h) Matsui, S.; Mitani, M.; Saito, J.; Tohi, Y.; Makio, H.; Matsukawa, N.; Takagi, Y.; Tsuru, K.; Nitabaru, M.; Nakano, T.; Tanaka, H.; Kashiwa, N.; Fujita, T. J. Am. Chem. Soc. 2001, 123, 6847-6856.
40. (i) Saito, J.; Mitani, M.; Matsui, S.; Tohi, Y.; Makio, H.; Nakano, T.; Tanaka, H.; Kashiwa, N.; Fujita, T. Macromol. Chem. Phys. 2002, 203, 59-65.
41. (j) Ishii, S.; Saito, J.; Mitani, M.; Mohri, J.; Matsukawa, N.; Tohi, Y.; Matsui, S.; Kashiwa, N.; Fujita, T. J. Mol. Catal. A 2002, 179, 11-16.
42. (k) Ishii, S.; Mitani, M.; Saito, J.; Matsuura, S.; Kojoh, S.; Kashiwa, N.; Fujita, T. Chem. Lett. 2002, 740-741.
43. (l) Makio, H.; Kashiwa, N.; Fujita, T. Adv. Synth. Catal. 2002, 344, 477-493.
44. (m) Ishii, S.; Saito, J.; Matsuura, S.; Suzuki, Y.; Furuyama, R.; Mitani, M.; Nakano, T.; Kashiwa, N.; Fujita, T. Macromol. Rapid Commun. 2002, 23, 693-697.
45. (n) Saito, J.; Onda, M.; Matsui, S.; Mitani, M.; Furuyama, R.; Tanaka, H.; Fujita, T. Macromol. Rapid Commun. 2002, 23, 1118-1123.
46. (o) Tohi, Y.; Makio, H.; Matsui, S.; Onda, M.; Fujita, T. Macromolecules 2003, 36, 523-525.
47. (p) Saito, J.; Suzuki, Y.; Fujita, T. Chem. Lett. 2003, 32, 236-237.
48. (q) Nakayama, Y.; Bando, H.; Sonobe, Y.; Kaneko, H.; Kashiwa, N.; Fujita, T. J. Catal. 2003, 215, 171-175.
49. (r) Furuyama, R.; Saito, J.; Ishii, S.; Mitani, M.; Matsui, S.; Tohi, Y.; Makio, H.; Matsukawa, N.; Tanaka, H.; Fujita, T. J. Mol. Cat., A. 2003, 200, 31-42;
50. (s) Matsukawa, N.; Furuyama, R.; Saito, J.; Mitani, M.; Makio, H.; Tanaka, H.; Fujita, T. e-Polymers No. 021 (http://www.e-polymers.org).
51. (t) Suzuki, Y.; Terao, H.; Fujita, T. Bull. Chem. Soc. Jpn., in press.
52. (u) Bando, H.; Nakayama, Y.; Sonobe, Y.; Fujita, T. Macromol. Rapid Commun., in press.
53. (a) Mitani, M.; Yoshida, Y.; Mohri, J.; Tsuru, K.; Ishii, S.; Kojoh, S.; Matsugi, T.; Saito, J.; Matsukawa, N.; Matsui, S.; Nakano, T.; Tanaka, H.; Kashiwa, N.; Fujita, T. WO Patent, 01/55231 A1, 2001, filing date, Jan. 26, 2000, (Chem. Abstr. 2001, 135, 137852).
54. (b) Saito, J.; Mitani, M.; Mohri, J.; Yoshida, Y.; Matsui, S.; Ishii, S.; Kojoh, S.; Kashiwa, N.; Fujita, T. Angew. Chem. Int. Ed. 2001, 40, 2918-2920.
55. (c) Saito, J.; Mitani, M.; Mohri, J.; Ishii, S.; Yoshida, Y.; Matsugi, T.; Kojoh, S.; Kashiwa, N.; Fujita, T. Chem. Lett. 2001, 576-577.
56. (d) Kojoh, S.; Matsugi, T.; Saito, J.; Mitani, M.; Fujita, T.; Kashiwa, N. Chem. Lett. 2001, 822-823.
57. (e) Saito, J.; Mitani, M.; Onda, M.; Mohri, J.; Ishii, S.; Yoshida, Y.; Nakano, T.; Tanaka, H.; Matsugi, T.; Kojoh, S.; Kashiwa, N.; Fujita, T. Macromol. Rapid Commun. 2001, 22, 1072-1075.
58. (f) Mitani, M.; Mohri, J.; Yoshida, Y.; Saito, J.; Ishii, S.; Tsuru, K.; Matsui, S.; Furuyama, R.; Nakano, T.; Tanaka, H.; Kojoh, S.; Matsugi, T.; Kashiwa, N.; Fujita, T. J. Am. Chem. Soc. 2002, 124, 3327-3336.
59. (g) Mitani, M.; Furuyama, R.; Mohri, J.; Saito, J.; Ishii, S.; Terao, H.; Kashiwa, N.; Fujita, T. J. Am. Chem. Soc. 2002, 124, 7888-7889.
60. (h) Mitani, M.; Mohri, J.; Furuyama, R.; Ishii, S.; Fujita, T. Chem. Lett. 2003, 32, 238-239.
61. (i) Mitani, M.; Furuyama, R.; Mohri, J.; Saito, J.; Ishii, S.; Terao, H.; Nakano, T.; Fujita, T. J. Am. Chem. Soc. 2003, 125, 4293-4305.
62. (j) Mitani, M.; Nakano, T.; Fujita, T. Chem. Eur. J. 2003, 11, 2396-2403.
63. (a) Matsugi, T.; Matsui, S.; Kojoh, S.; Takagi, Y.; Inoue, Y.; Fujita, T.; Kashiwa, N. Chem. Lett. 2001, 566-567.
64. (b) Matsugi, T.; Matsui, S.; Kojoh, S.; Takagi, Y.; Inoue, Y.; Nakano, T.; Fujita, T.; Kashiwa, N. Macromolecules 2002, 35, 4880-4887.
65. Inoue, Y.; Nakano, T.; Tanaka, H.; Kashiwa, N.; Fujita, T. Chem. Lett. 2001, 1060-1061.
66. (a) Matsui, S.; Nitabaru, M.; Yoshida, Y.; Mitani, M.; Fujita, T. Europe Patent, EP-1008595, 2000 (Chem. Abstr. 2000, 133, 43969).
67. (b) Yoshida, Y.; Matsui, S.; Takagi, Y.; Mitani, M.; Nitabaru, M.; Nakano, T.; Tanaka, H.; Fujita, T. Chem. Lett. 2000, 1270-1271.
68. (c) Yoshida, Y.; Matsui, S.; Takagi, Y.; Mitani, M.; Nakano, T.; Tanaka, H.; Kashiwa, N.; Fujita, T. Organometallics 2001, 20, 4793-4799.
69. (d) Yoshida, Y.; Saito, J.; Mitani, M.; Takagi, Y.; Matsui, S.; Ishii, S.; Nakano, T.; Kashiwa, N.; Fujita, T. Chem. Commun. 2002, 1298-1299.
70. (e) Matsui, S.; Spaniol, T.P.; Takagi, Y.; Yoshida, Y.; Okuda, J. J. Chem. Soc., Dalton Trans. 2002, 4529-4331.
71. Suzuki, Y.; Inoue, Y.; Tanaka, H.; Kashiwa, N.; Fujita, T. Abstracts of Papers, 90th CATSJ Meeting, Hamamatsu; Catalysis Society of Japan: Tokyo, 2002; Abstract 3E21.
72. Suzuki, Y.; Kashiwa, N.; Fujita, T. Chem. Lett. 2002, 358-359.
73. Matsui, S.; Fujita, T. Catal. Today 2001, 66, 63-73.
74. Bis(phonoxy-imine) Group IV metal complexes and related early transition-metal complexes have been also studied actively by other groups: (a) Hustad, P.D.; Tian, J.; Coates, G.W. J. Am. Chem. Soc. 2002, 124, 3614-3621. (b) Lamberti, M.; Pappalardo, D.; Zambelli, A.; Pellecchia, C. Macromolecules 2002, 35, 658-663. (c) Emslie, D.J.H.; Piers, W. E.; MacDonald, R. J. Chem. Soc., Dalton Trans. 2002, 293-294. (d) Knight, P.D.; Clarke, A.J.; Kimberley, B.S.; Jackson, R.A.; Scott, P. Chem. Commun. 2002, 352-353. (e) Jones, D.J.; Gibson, V.C.; Green, S.M.; Maddox, P.J. Chem. Commun. 2002, 1038-1039. (f) Strauch, J.; Warren, T.H.; Erker, G.; Fröhlich, R.; Saarenketo, P. Inorg. Chim. Acta 2000, 300-302, 810-821.
75. Bis(phonoxy-imine) Group IV metal complexes and related early transition-metal complexes have been also studied actively by other groups: (a) Hustad, P.D.; Tian, J.; Coates, G.W. J. Am. Chem. Soc. 2002, 124, 3614-3621. (b) Lamberti, M.; Pappalardo, D.; Zambelli, A.; Pellecchia, C. Macromolecules 2002, 35, 658-663. (c) Emslie, D.J.H.; Piers, W. E.; MacDonald, R. J. Chem. Soc., Dalton Trans. 2002, 293-294. (d) Knight, P.D.; Clarke, A.J.; Kimberley, B.S.; Jackson, R.A.; Scott, P. Chem. Commun. 2002, 352-353. (e) Jones, D.J.; Gibson, V.C.; Green, S.M.; Maddox, P.J. Chem. Commun. 2002, 1038-1039. (f) Strauch, J.; Warren, T.H.; Erker, G.; Fröhlich, R.; Saarenketo, P. Inorg. Chim. Acta 2000, 300-302, 810-821.
76. Bis(phonoxy-imine) Group IV metal complexes and related early transition-metal complexes have been also studied actively by other groups: (a) Hustad, P.D.; Tian, J.; Coates, G.W. J. Am. Chem. Soc. 2002, 124, 3614-3621. (b) Lamberti, M.; Pappalardo, D.; Zambelli, A.; Pellecchia, C. Macromolecules 2002, 35, 658-663. (c) Emslie, D.J.H.; Piers, W. E.; MacDonald, R. J. Chem. Soc., Dalton Trans. 2002, 293-294. (d) Knight, P.D.; Clarke, A.J.; Kimberley, B.S.; Jackson, R.A.; Scott, P. Chem. Commun. 2002, 352-353. (e) Jones, D.J.; Gibson, V.C.; Green, S.M.; Maddox, P.J. Chem. Commun. 2002, 1038-1039. (f) Strauch, J.; Warren, T.H.; Erker, G.; Fröhlich, R.; Saarenketo, P. Inorg. Chim. Acta 2000, 300-302, 810-821.
77. Bis(phonoxy-imine) Group IV metal complexes and related early transition-metal complexes have been also studied actively by other groups: (a) Hustad, P.D.; Tian, J.; Coates, G.W. J. Am. Chem. Soc. 2002, 124, 3614-3621. (b) Lamberti, M.; Pappalardo, D.; Zambelli, A.; Pellecchia, C. Macromolecules 2002, 35, 658-663. (c) Emslie, D.J.H.; Piers, W. E.; MacDonald, R. J. Chem. Soc., Dalton Trans. 2002, 293-294. (d) Knight, P.D.; Clarke, A.J.; Kimberley, B.S.; Jackson, R.A.; Scott, P. Chem. Commun. 2002, 352-353. (e) Jones, D.J.; Gibson, V.C.; Green, S.M.; Maddox, P.J. Chem. Commun. 2002, 1038-1039. (f) Strauch, J.; Warren, T.H.; Erker, G.; Fröhlich, R.; Saarenketo, P. Inorg. Chim. Acta 2000, 300-302, 810-821.
78. Bis(phonoxy-imine) Group IV metal complexes and related early transition-metal complexes have been also studied actively by other groups: (a) Hustad, P.D.; Tian, J.; Coates, G.W. J. Am. Chem. Soc. 2002, 124, 3614-3621. (b) Lamberti, M.; Pappalardo, D.; Zambelli, A.; Pellecchia, C. Macromolecules 2002, 35, 658-663. (c) Emslie, D.J.H.; Piers, W. E.; MacDonald, R. J. Chem. Soc., Dalton Trans. 2002, 293-294. (d) Knight, P.D.; Clarke, A.J.; Kimberley, B.S.; Jackson, R.A.; Scott, P. Chem. Commun. 2002, 352-353. (e) Jones, D.J.; Gibson, V.C.; Green, S.M.; Maddox, P.J. Chem. Commun. 2002, 1038-1039. (f) Strauch, J.; Warren, T.H.; Erker, G.; Fröhlich, R.; Saarenketo, P. Inorg. Chim. Acta 2000, 300-302, 810-821.
79. Bis(phonoxy-imine) Group IV metal complexes and related early transition-metal complexes have been also studied actively by other groups: (a) Hustad, P.D.; Tian, J.; Coates, G.W. J. Am. Chem. Soc. 2002, 124, 3614-3621. (b) Lamberti, M.; Pappalardo, D.; Zambelli, A.; Pellecchia, C. Macromolecules 2002, 35, 658-663. (c) Emslie, D.J.H.; Piers, W. E.; MacDonald, R. J. Chem. Soc., Dalton Trans. 2002, 293-294. (d) Knight, P.D.; Clarke, A.J.; Kimberley, B.S.; Jackson, R.A.; Scott, P. Chem. Commun. 2002, 352-353. (e) Jones, D.J.; Gibson, V.C.; Green, S.M.; Maddox, P.J. Chem. Commun. 2002, 1038-1039. (f) Strauch, J.; Warren, T.H.; Erker, G.; Fröhlich, R.; Saarenketo, P. Inorg. Chim. Acta 2000, 300-302, 810-821.
80. Bis(pyrrolide-imine) Group IV metal complexes and related early or late transition-metal complexes have also been studied actively by other groups: (a) Gibson, V.C.; Maddox, P.J.; Newton, C.; Redshaw, C.; Solan, G.A.; White, A.J.P.; Williams, D.J. Chem. Commun. 1998, 1651-1652. (b) Matsuo, Y.; Mashima, K.; Tani, K. Organometallics 2001, 20, 3510-3518. (c) Dawson, D. M.; Walker, D.A.; Pett, M. T.; Bochmann, M. J. Chem. Soc., Dalton Trans. 2000, 459-466. (d) Tian, G.; Boone, H.; Novak, M. Macromolecules 2001, 34, 7656-7663. (e) Gibson, V.C.; Newton, C.; Redshaw, C.; Solan, G.A.; White, A.J.P.; Williams, D.J. J. Chem. Soc., Dalton Trans. 2002, 4017-4023.
81. Bis(pyrrolide-imine) Group IV metal complexes and related early or late transition-metal complexes have also been studied actively by other groups: (a) Gibson, V.C.; Maddox, P.J.; Newton, C.; Redshaw, C.; Solan, G.A.; White, A.J.P.; Williams, D.J. Chem. Commun. 1998, 1651-1652. (b) Matsuo, Y.; Mashima, K.; Tani, K. Organometallics 2001, 20, 3510-3518. (c) Dawson, D. M.; Walker, D.A.; Pett, M. T.; Bochmann, M. J. Chem. Soc., Dalton Trans. 2000, 459-466. (d) Tian, G.; Boone, H.; Novak, M. Macromolecules 2001, 34, 7656-7663. (e) Gibson, V.C.; Newton, C.; Redshaw, C.; Solan, G.A.; White, A.J.P.; Williams, D.J. J. Chem. Soc., Dalton Trans. 2002, 4017-4023.
82. Bis(pyrrolide-imine) Group IV metal complexes and related early or late transition-metal complexes have also been studied actively by other groups: (a) Gibson, V.C.; Maddox, P.J.; Newton, C.; Redshaw, C.; Solan, G.A.; White, A.J.P.; Williams, D.J. Chem. Commun. 1998, 1651-1652. (b) Matsuo, Y.; Mashima, K.; Tani, K. Organometallics 2001, 20, 3510-3518. (c) Dawson, D. M.; Walker, D.A.; Pett, M. T.; Bochmann, M. J. Chem. Soc., Dalton Trans. 2000, 459-466. (d) Tian, G.; Boone, H.; Novak, M. Macromolecules 2001, 34, 7656-7663. (e) Gibson, V.C.; Newton, C.; Redshaw, C.; Solan, G.A.; White, A.J.P.; Williams, D.J. J. Chem. Soc., Dalton Trans. 2002, 4017-4023.
83. Bis(pyrrolide-imine) Group IV metal complexes and related early or late transition-metal complexes have also been studied actively by other groups: (a) Gibson, V.C.; Maddox, P.J.; Newton, C.; Redshaw, C.; Solan, G.A.; White, A.J.P.; Williams, D.J. Chem. Commun. 1998, 1651-1652. (b) Matsuo, Y.; Mashima, K.; Tani, K. Organometallics 2001, 20, 3510-3518. (c) Dawson, D. M.; Walker, D.A.; Pett, M. T.; Bochmann, M. J. Chem. Soc., Dalton Trans. 2000, 459-466. (d) Tian, G.; Boone, H.; Novak, M. Macromolecules 2001, 34, 7656-7663. (e) Gibson, V.C.; Newton, C.; Redshaw, C.; Solan, G.A.; White, A.J.P.; Williams, D.J. J. Chem. Soc., Dalton Trans. 2002, 4017-4023.
84. Bis(pyrrolide-imine) Group IV metal complexes and related early or late transition-metal complexes have also been studied actively by other groups: (a) Gibson, V.C.; Maddox, P.J.; Newton, C.; Redshaw, C.; Solan, G.A.; White, A.J.P.; Williams, D.J. Chem. Commun. 1998, 1651-1652. (b) Matsuo, Y.; Mashima, K.; Tani, K. Organometallics 2001, 20, 3510-3518. (c) Dawson, D. M.; Walker, D.A.; Pett, M. T.; Bochmann, M. J. Chem. Soc., Dalton Trans. 2000, 459-466. (d) Tian, G.; Boone, H.; Novak, M. Macromolecules 2001, 34, 7656-7663. (e) Gibson, V.C.; Newton, C.; Redshaw, C.; Solan, G.A.; White, A.J.P.; Williams, D.J. J. Chem. Soc., Dalton Trans. 2002, 4017-4023.
85. (a) te Velde, G.; Bickelhaupt, F. M.; van Gisbergen, S. J. A.; Guerra, C.F.; Baerends, E. J.; Shijders, J.G.; Ziegler, T. J. Comput. Chem. 2001, 22, 931-967.
86. (b) Guerra, C.F.; Snijders, J.G.; te Velde, G.; Baerends, E.J. Theor. Chem. Acc. 1998, 99, 391-103.
87. (c) ADF2002.01, SCM, Theoretical Chemistry, Vrije Universiteit, Amsterdam, The Netherlands, http://www.scm.com
88. Clearfield, A.; Warner, D.K.; Saldarriaga-Molina, C.H.; Ropal, R. Can. J. Chem. 1975, 53, 1622-1629.
89. 13C NMR analyses: Tritto, I.; Marestin, C.; Boggioni, L.; Zetta, L.; Provasoli, A.; Ferro, D. R. Macromolecules 2002, 33, 8931-8944.
90. -1, respectively). These results suggest that no binding of cyclohexene to the active site occurs, probably due to steric hindrance.