Triflic acid mediated ligand fragmentation. Transfer of an isopropyl group from triisopropyl phosphite to iridium

Organometallics

Volumn 16, Issue 8, 1997, Pages 1797-1799

  Simpson, Robert D ^a  

^a DUPONT COMPANY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0008525793     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om9610962     Document Type: Article

References (18)

1. Babin, J. E.; Whitaker, G. T. U.S. Patent 5, 491, 266, 1996.
2. Babin, J. E.; Maher, J. M.; Billig, E. U.S. Patent 5, 364, 950, 1992.
3. For a review article on phosphite dealkylations reactions see: Brill, T. B.; Landon, S. J. Chem. Rev. 1984, 84, 577-585.
4. Buchanan, J. M.; Stryker, J. M.; Bergman, R. G. J. Am. Chem. Soc. 1986, 108, 1537-1550.
5. Burger, P.; Bergman, R. G. J. Am. Chem. Soc. 1993, 115, 10462-10463.
6. McGhee, W. G.; Bergman, R. G. J. Am. Chem. Soc. 1988, 110, 4246-4262.
7. The P(III) tautomer of dialkyl phosphites may be trapped by unsaturated metal centers. See: Dalla Riva Toma, J. M.; Bergstrom, D. E. J. Org. Chem. 1994, 59, 2418-2422.
8. 3D is formed upon addition of DOTf to 1.
9. 10 solution of 2 at room temperature.
10. Stewart, J. R. P.; Isbrandt, L. R.; Benedict, J. J. Inorg. Chem. 1976, 15, 2011-2013.
11. The methyltrimethoxyphosphonium ion is stable as a triflate salt, while it has a fleeting existence in the presence of halides. Colle, K. S.; Lewis, E. S. J. Org. Chem. 1978, 43, 571-574.
12. 2]. The mechanism of this rearrangement is not known. Alex, R. F.; Pomeroy, R. K. Organometallics 1982, 1, 453-459.
13. Solar, J. M.; Rogers, R. D.; Mason, W. R. Inorg. Chem. 1984, 23, 373-377
14. Muetterties, E. L.; Kirner, J. F.; Evans, W. J.; Watson, P. L.; Ardel-Meguid, S. A.; Tavanaiepour, I.; Day, V. W. Proc. Natl. Acad. Sci. U.S.A. 1978, 75, 1056-1059.
15. Cationic iridium complexes undergo facile cyclometalation of triphenylphosphine ligands. Diversi, P.; Iacoponi, S.; Ingrosso, G.; Laschi, F.; Lucherini, A.; Pinzino, C.; Uccello-Barretta, G.; Zanello, P. Organometallics 1995, 14, 3275-3287.
16. 3).
17. 3-allyl complex by deprotonation of a coordinated olefin. See: Trost, B. M.; Strege, P. E.; Weker, L.; Fullerton, T. J.; Dietsch, T. J. J. Am. Chem. Soc. 1978, 100, 3407-3415.
18. White, C.; Yates, A.; Maitlis, P. M. In Inorganic Syntheses; Grimes, R., Ed.; John Wiley & Sons: New York, 1992; Vol. 29, pp 228-234.