Synthesis of trialkyl- and triphenylcadmate anions

Organometallics

Volumn 15, Issue 25, 1996, Pages 5281-5283

  Tang, Hui ^a   Parvez, Masood ^b   Richey Jr , Herman G ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

^b UNIVERSITY OF CALGARY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0011392657     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om960542i     Document Type: Article

References (24)

1. (a) Squiller, E. P.; Whittle, R. R.; Richey, H. G., Jr. J. Am. Chem. Soc. 1985, 107, 432.
2. (b) Richey, H. G., Jr.; Kushlan, D. M. J. Am. Chem. Soc. 1987, 709, 2510.
3. (c) Pajerski, A. D.; Parvez, M.; Richey, H. G., Jr. J. Am. Chem. Soc. 1988, 110, 2660.
4. (d) Richey, H. G., Jr.; BergStresser, G. L. Organometallics 1988, 7, 1459.
5. (e) Fabicon, R. M.; Pajerski, A. D.; Richey, H. G., Jr. J. Am. Chem. Soc. 1991, 113, 6680.
6. (f) Fabicon, R. M.; Pajerski, A. D.; Richey, H. G., Jr. J. Am. Chem. Soc. 1993, 115, 9333.
7. Neumann, D.; Tyra, W. J. Organomet. Chem. 1989, 368, 131.
8. Some halogen-containing organocadmate anions have been prepared. X-ray structure determination shows solids to have polymeric structures with bridging halogens. See for example, the following and references cited therein: Reference 2. Osman, A.; Tuck, D. G. J. Organomet. Chem. 1988, 769, 255. Buttrus, N. H.; Eaborn, C.; El-Kheli, M. N. A.; Hitchcock, P. B.; Smith, J. D.; Sullivan, A. C.; Tavakkoli, K. J Chem. Soc., Dalton Trans. 1988, 381. Al-Juaid, S. S.; Buttrus, N. H.; Eaborn, C.; Hitchcock, P. B.; Smith, J. D., Tavakkoli, K. J. Chem. AOC., Chem. Commun. 1988, 1389.
9. Some halogen-containing organocadmate anions have been prepared. X-ray structure determination shows solids to have polymeric structures with bridging halogens. See for example, the following and references cited therein: Reference 2. Osman, A.; Tuck, D. G. J. Organomet. Chem. 1988, 769, 255. Buttrus, N. H.; Eaborn, C.; El-Kheli, M. N. A.; Hitchcock, P. B.; Smith, J. D.; Sullivan, A. C.; Tavakkoli, K. J Chem. Soc., Dalton Trans. 1988, 381. Al-Juaid, S. S.; Buttrus, N. H.; Eaborn, C.; Hitchcock, P. B.; Smith, J. D., Tavakkoli, K. J. Chem. AOC., Chem. Commun. 1988, 1389.
10. Some halogen-containing organocadmate anions have been prepared. X-ray structure determination shows solids to have polymeric structures with bridging halogens. See for example, the following and references cited therein: Reference 2. Osman, A.; Tuck, D. G. J. Organomet. Chem. 1988, 769, 255. Buttrus, N. H.; Eaborn, C.; El-Kheli, M. N. A.; Hitchcock, P. B.; Smith, J. D.; Sullivan, A. C.; Tavakkoli, K. J Chem. Soc., Dalton Trans. 1988, 381. Al-Juaid, S. S.; Buttrus, N. H.; Eaborn, C.; Hitchcock, P. B.; Smith, J. D., Tavakkoli, K. J. Chem. AOC., Chem. Commun. 1988, 1389.
11. 2Cd suggest formation of 1:1, 2:1, and 3:1 species, but these are unlikely to contain true cadmate anions. Toppet, S.; Slinckx, G.; Smets, G. J. Organomet. Chem. 1967, 9, 205. Seitz, L. M.; Little, B. F. J. Organomet. Chem. 1969, 18, 227.
12. 2Cd suggest formation of 1:1, 2:1, and 3:1 species, but these are unlikely to contain true cadmate anions. Toppet, S.; Slinckx, G.; Smets, G. J. Organomet. Chem. 1967, 9, 205. Seitz, L. M.; Little, B. F. J. Organomet. Chem. 1969, 18, 227.
13. 3, respectively.
14. 7
15. Pajerski, A. D. Ph.D. Dissertation, The Pennsylvania State University, 1990.
16. A distorted trigonal arrangement is seen in a case where two of the R groups also are bonded to a Li: Waggoner, K. M.; Power, P. P. Organometallics 1992, 11, 3209.
17. Purdy, A. P.; George, C. F. Organometallics 1992, 11, 1955. Westerhausen, M.; Rademacher, B.; Schwarz, W.; Henkel, S. Z. Naturforsch. 1994, 496, 199.
18. Purdy, A. P.; George, C. F. Organometallics 1992, 11, 1955. Westerhausen, M.; Rademacher, B.; Schwarz, W.; Henkel, S. Z. Naturforsch. 1994, 496, 199.
19. 1H NMR absorptions are similar to those of free THF.
20. Atwood, J. L. In Inclusion Compounds; Atwood, J. L., Davies, J. E. D., MacNicol, D. D., Eds.; Academic: London, 1984; Vol. 1, Chapter 9.
21. Phase separation in the neopentyl and (trimethylsilyl)methyl cases was slow, occurring over many hours at ambient temperature. Investigation of the neopentyl system showed that the reaction to form the ions in fact is slow.
22. Fabicon, R. M. Ph.D. Dissertation, The Pennsylvania State University, 1991.
23. 2Zn solutions has been studied: Oliver, J. P. Adv. Organomet. Chem. 1970, 8, 167. Soulati, J.; Henold, K. L.: Oliver, J. P. J. Am. Chem. Soc. 1971, 93, 5694. It was suggested that increases in exchange rate by donor solvents are due to a more facile bridging by methyl groups when a solvent heteroatom is bonded to a metal.
24. 2Zn solutions has been studied: Oliver, J. P. Adv. Organomet. Chem. 1970, 8, 167. Soulati, J.; Henold, K. L.: Oliver, J. P. J. Am. Chem. Soc. 1971, 93, 5694. It was suggested that increases in exchange rate by donor solvents are due to a more facile bridging by methyl groups when a solvent heteroatom is bonded to a metal.