The reactions of diethyl acylphosphonates (1a-e) with Yb and Sm were examined. Reactivities of Yb to 1a-e are different from those of Li and Na. Typically, ethyl benzoylphosphonate (1a) reacts with Yb metal in tetrahydrofuran-hexamethylphosphoramide to afford diethyl 1,2-diphenyl-2-oxoethyl phosphate (2a) and diethyl 1-(diethyl-phosphoryloxy)-1-phenylmethylphosphonate (3a). The formations of 2a and
A Simple and Effective Approach to the Via One-Pot Reactions in Water
作者:Abolfazl Hosseini、Mohammad A. Khalilzadeh、Sara Hallajian、Mahmood Tajbakhsh
DOI:10.1080/10426507.2010.494168
日期:2011.1.31
Abstract Water-accelerated synthesis of organic target molecules has been used as a key method for the preparation of phosphoryloxy phosphonate derivatives. Condensation reactions of acid chlorides with dialkyl (aryl) phosphites in the presence of N-methyl imidazole in water have been developed as efficient and clean green synthetic procedures for the preparation of phosphoryloxy phosphonates in high