Synthesis of an anionic tridentate phosphinoborate and its reaction chemistry with Sn(II)

Abstract

Dichlorophenylborane reacts smoothly with [Li- (tmen)][CH₂PPh₂] in THF to afford, in good yields, the Li(tmen)⁺ salt of a novel monoanionic tridentate phosphinoborate, tris(diphenylphosphinomethyl)phenylborate; reaction of the ligand with SnCl₂ produces tris(diphenylphosphinomethyl) phenylboratotin(II) chloride, which may be dehalogenated to give the η³ compound, {[PhB- (CH₂PPh₂)₃]Sn}PF₆, tris(diphenylphosphinomethyl)- phenylboratotin(II) hexafluorophosphate.

References

1. F. A. Cotton and B. Hong, Prog. Inorg. Chem., 1992, 40, 179.
2. C. Bianchini, P. Frediani and V. Sernau, Organometallics, 1995, 14, 5458.
3. S. Trofimenko, Acc. Chem. Res., 1971, 4, 17.
4. S. Trofimenko, Prog. Inorg. Chem., 1986, 34, 115.
5. P. J. Schebler, C. G. Riordan, I. A. Guzei and A. L. Rheingold, Inorg. Chem., 1998, 37, 4754.
6. C. E. Holloway and M. Melnik, Main Group Met. Chem., 1998, 21, 371.
7. D. L. Reger, Synth. Lett., 1992, 469.
8. D. L. Reger, S. J. Knox, M. F. Huff, A. L. Rheingold and B. S. Haggerty, Inorg. Chem., 1991, 30, 1754.
9. D. L. Reger, S. S. Mason, J. Takats, X. W. Zhang, A. L. Rheingold and B. S. Haggerty, Inorg. Chem., 1993, 32, 4345.
10. H. H. Karsch, A. Appelt and G. Müller, Organometallics, 1986, 5, 1664.
11. N. Froelich, P. B. Hitchcock, J. Hu, M. F. Lappert and J. R. Dilworth, J. Chem. Soc., Dalton Trans., 1996, 1941.
12. U. Baumeister, H. Hartung, K. Jurkschat and A. Tzschach, J. Organomet. Chem., 1986, 304, 107.
13. A. L. Seligson and J. Arnold, J. Am. Chem. Soc., 1993, 115, 8214.
14. H. H. Karsch, A. Appelt and G. Müller, Angew. Chem., Int. Ed. Engl., 1985, 24, 402.
15. M. Westerhausen, M. M. Enzelberger and W. Schwarz, J. Organomet. Chem., 1995, 491, 83.
16. A. L. Balch and D. E. Oram, Organometallics, 1986, 5, 2159.
17. M. Driess, S. Martin, K. Merz, V. Pintchouk, H. Pritzkow, H. Grützmacher and M. Kaupp, Angew. Chem., Int. Ed. Engl., 1997, 36, 1894.
18. A. H. Cowley, R. L. Geerts, C. M. Nunn and C. J. Carrano, J. Organomet. Chem., 1988, 341, C27.
19. P. G. Harrison, Coord. Chem. Rev., 1990, 102, 234.
20. J. C. Peters, J. D. Feldman and T. D. TilleyJ. Am. Chem. Soc. in press.
21. N. E. Schore, L. S. Benner and B. E. Labelle, Inorg. Chem., 1981, 20, 3200.