Diethyl aryl phosphonates are efficiently and rapidly obtained from halides and triethyl phosphite without solvent. The reaction was catalysed by NiCl2 or PdCl2 (10%) under focussed microwave radiation.
FreedmanL.D., and DoakG. O., Chem. Rev., 1957, 57, 479–523; K. Sasse, in Methoden der Organischen Chemie, 1963, vol. 12, part. 1, MüllerE. Ed., Georg Thieme Verlag, Stuttgart, Germany, pp.423–522.
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LarhedM., MobergC., and HallbergA., Acc. Chem. Res., 2002, 35, 717.
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(a) VilleminD., JaffrèsP. A., and SiméonF., Phoshorus, Sulfur, Silicon, 1997, 130, 59; (b) D. Villemin, F. Siméon, H. Decreus and P. A. Jaffrès, Phoshorus, Sulfur, Silicon, 1998, 131, 209; (c) J. J. Kiddle, Tetrahedron Lett., 2000, 41, 1339; (d) J. J. Kiddle, Synth. Commun., 2001, 31, 69; (e) J. J. Kiddle and A. F. Gurley, Phoshorus, Sulfur, Silicon, 2000, 160, 195; (f) B. Gümgum, N. Biricik and A. Baysal, Phoshorus, Sulfur, Silicon, 2000, 167, 111.
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7.
Complexes obtained under microwave irradiation were similar to those described: BalthazorT. M., J. Org. Chem., 1980, 45, 5425.
8.
PerreuxL., and LoupyA., Tetrahedron, 2001, 57, 9199–9223; N. Kuhnert, Angew. Chem. Int. Ed., 2002, 41, 1863-1866.
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CEM Corporation PO Box 200, Matthews NC28106-0200, USA.
