Citation:
MA Xue-Bing, FU Xiang-Kai, WANG Qiang, WANG Ning. Synthesis of Water-soluble Phosphine Ligands Containing Hydroxyl and Phosphonic Acid Groups[J]. Chinese Journal of Applied Chemistry,
;2002, 19(12): 1154-1157.
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Water-soluble phosphine ligands Na2O3PCH2CH2N(CH2PPh2)[CH2CH2N(CH2PPh2)]n-CH2CH2OH(n=0,1) containing diphenylphosphine complexing group were synthesized by reaction of the 2-aminoethylphosphonic acid derivatives containing hydroxyl group with [Ph2P(CH2OH)2]+Cl- at 80~85℃, without necessity for any special reagents. The ligands were characterized by NMR, MS, IR and UV. Their distribution coefficients D in water/organic phase system were quantitatively determined by ultraviolet spectroscopy.
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