Citation:
MA Xue-Bing, FU Xiang-Kai, WANG Ning. Synthesis of Water-soluble Sulphonated phosphines[J]. Chinese Journal of Applied Chemistry,
;2004, 21(5): 464-468.
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Two sulphonated phosphine ligands [(Et3NH)2][Ph2PCH2N(CH2CH2SO3)2(2a)and [(Et3NH)2] [O3SCH2CH2N(CH2PPh2)CH2CH2N(CH2PPh2)CH2CH2SO3](2b) with greater water solubi-lity were synthesized by reaction of amines containing sulfo-group with [Ph2P(CH2OH)2]+Cl- and characterized by NMR, MS and IR. The solubility of ligand 2a was 0.21 g/mL(in water) and 0.29g/mL(in ethanol) at 25℃. For compound 2b, where the molar ratio of SO3H to Ph2P was more low, the solubility was 0.11 g/mL(in water) and 0.15 g/mL(in ethanol), respectively.
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Keywords:
- sulphonated phosphine,
- water soluble,
- synthesis,
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