Preparation of novel titanium complexes bearing o-phosphinophenol ligands

Organometallics

Volumn 15, Issue 1, 1996, Pages 472-475

  Willoughby, Christopher A ^a   Duff Jr , Ronald R ^a   Davis, William M ^a   Buchwald, Stephen L ^a  

^a MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000568521     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om950352s     Document Type: Article

References (31)

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11. For examples of metal complexes bearing o-phosphinophenol ligands see: (a) Landvatter, E. F.; Rauchfuss, T. B. Organometallics 1982, 1, 506. (b) Canestrari, M.; Chaudret, B.; Dahan, F.; Huang, Y.-S.; Poilblanc, R. J. Chem. Soc., Dalton Trans. 1990, 1179. (c) Empsall, H. D.; Shaw, B. L.; Turtle, J. Chem. Soc., Dalton Trans. 1976, 1500. (d) Empsall, H. D.; Hyde, E. M.; Shaw, B. L. J. Chem. Soc., Dalton Trans. 1975, 1690. (e) Rauchfuss, T. B. Inorg. Chem. 1977, 16, 2966.
12. For examples of metal complexes bearing o-phosphinophenol ligands see: (a) Landvatter, E. F.; Rauchfuss, T. B. Organometallics 1982, 1, 506. (b) Canestrari, M.; Chaudret, B.; Dahan, F.; Huang, Y.-S.; Poilblanc, R. J. Chem. Soc., Dalton Trans. 1990, 1179. (c) Empsall, H. D.; Shaw, B. L.; Turtle, J. Chem. Soc., Dalton Trans. 1976, 1500. (d) Empsall, H. D.; Hyde, E. M.; Shaw, B. L. J. Chem. Soc., Dalton Trans. 1975, 1690. (e) Rauchfuss, T. B. Inorg. Chem. 1977, 16, 2966.
13. For examples of metal complexes bearing o-phosphinophenol ligands see: (a) Landvatter, E. F.; Rauchfuss, T. B. Organometallics 1982, 1, 506. (b) Canestrari, M.; Chaudret, B.; Dahan, F.; Huang, Y.-S.; Poilblanc, R. J. Chem. Soc., Dalton Trans. 1990, 1179. (c) Empsall, H. D.; Shaw, B. L.; Turtle, J. Chem. Soc., Dalton Trans. 1976, 1500. (d) Empsall, H. D.; Hyde, E. M.; Shaw, B. L. J. Chem. Soc., Dalton Trans. 1975, 1690. (e) Rauchfuss, T. B. Inorg. Chem. 1977, 16, 2966.
14. For examples of metal complexes bearing o-phosphinophenol ligands see: (a) Landvatter, E. F.; Rauchfuss, T. B. Organometallics 1982, 1, 506. (b) Canestrari, M.; Chaudret, B.; Dahan, F.; Huang, Y.-S.; Poilblanc, R. J. Chem. Soc., Dalton Trans. 1990, 1179. (c) Empsall, H. D.; Shaw, B. L.; Turtle, J. Chem. Soc., Dalton Trans. 1976, 1500. (d) Empsall, H. D.; Hyde, E. M.; Shaw, B. L. J. Chem. Soc., Dalton Trans. 1975, 1690. (e) Rauchfuss, T. B. Inorg. Chem. 1977, 16, 2966.
15. For examples of metal complexes bearing o-phosphinophenol ligands see: (a) Landvatter, E. F.; Rauchfuss, T. B. Organometallics 1982, 1, 506. (b) Canestrari, M.; Chaudret, B.; Dahan, F.; Huang, Y.-S.; Poilblanc, R. J. Chem. Soc., Dalton Trans. 1990, 1179. (c) Empsall, H. D.; Shaw, B. L.; Turtle, J. Chem. Soc., Dalton Trans. 1976, 1500. (d) Empsall, H. D.; Hyde, E. M.; Shaw, B. L. J. Chem. Soc., Dalton Trans. 1975, 1690. (e) Rauchfuss, T. B. Inorg. Chem. 1977, 16, 2966.
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18. For some leading references on titanium aryloxide complexes see: (a) Durfee, L. D.; Rothwell, I. P. Chem. Rev. 1988, 88, 1059. (b) Hill, J. E.; Balaich, G.; Fanwick, P. E.; Rothwell, I. P. Organometallics 1993, 12, 2911. (c) Hill, J. E.; Fanwick, P. E.; Rothwell, I. P. Organometallics 1992, 11, 1771. (d) Duff, A. W.; Kamarudin, R. A.; Lappert, M. F.; Norton, R. J. J. Chem. Soc., Dalton Trans. 1986, 489.
19. For some leading references on titanium aryloxide complexes see: (a) Durfee, L. D.; Rothwell, I. P. Chem. Rev. 1988, 88, 1059. (b) Hill, J. E.; Balaich, G.; Fanwick, P. E.; Rothwell, I. P. Organometallics 1993, 12, 2911. (c) Hill, J. E.; Fanwick, P. E.; Rothwell, I. P. Organometallics 1992, 11, 1771. (d) Duff, A. W.; Kamarudin, R. A.; Lappert, M. F.; Norton, R. J. J. Chem. Soc., Dalton Trans. 1986, 489.
20. For some leading references on titanium aryloxide complexes see: (a) Durfee, L. D.; Rothwell, I. P. Chem. Rev. 1988, 88, 1059. (b) Hill, J. E.; Balaich, G.; Fanwick, P. E.; Rothwell, I. P. Organometallics 1993, 12, 2911. (c) Hill, J. E.; Fanwick, P. E.; Rothwell, I. P. Organometallics 1992, 11, 1771. (d) Duff, A. W.; Kamarudin, R. A.; Lappert, M. F.; Norton, R. J. J. Chem. Soc., Dalton Trans. 1986, 489.
21. While this work was in progress a report on the related (2-hydroxyethyl)phosphine complexes of titanium appeared; cf.: van Doorn, J. A.; van der Heijden, H.; Opren, A. G. Organometallics 1994, 13, 4271.
22. 2X complexes see: Wailes, P. C.; Coutts, R. S. P.; Weigold, H. Organometallic Chemistry of Titanium, Zirconium and Hafnium; Academic Press: New York, 1974; pp 30-50.
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27. The initial product is assumed to be the silyl amine. However, the Si-N bond is very labile and is immediately hydrolyzed upon exposure to ambient atmosphere.
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