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Iodine catalyzed and tertiary butyl ammonium bromide promoted p reparation of b enzoxazaphosphininyl phenylboronates

R. Kishore K. Reddy, C. Bhupendra Reddy, K. Suresh Kumar, C. Naga Raju and C. Suresh Reddy

Org. Commun. (2009), 2:2 ; 28-33

Department of Chemistry, Sri Venkateswara University , Tirupati, 517 502, India

Abstract: Benzoxazaphosphininyl Phenylboronates were prepared by O -Phosphorylation of potassium salt of phenylboronic acid with cyclic phosphoromonochloridates in the presence of stoichiometric amount of Iodine and catalytic amount of tertiary butyl ammonium bromide at 50-60 °C in dry toluene.

Keywords: Phosphaphenylboronates; O-Phosphorylation; Iodine; tertiary butyl ammonium bromide.