Molecules 2001, 6(4), 390-395; doi:10.3390/60400390
Article

Synthesis of the New Type of Water-Soluble Ligand N,N-Bis-(diphenylphosphinomethyl)-2-aminoethylphosphonic Acid (Ph2PCH2)2NCH2CH2PO3H2 and Its Sodium Salt

College of Chemistry and Chemical Engineering, Southwest-China Normal University, Beibei, Chongqing, P.R.China
* Author to whom correspondence should be addressed.
Received: 4 July 2000; in revised form: 25 September 2000 / Accepted: 26 September 2000 / Published: 31 March 2001
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Abstract: The novel water-soluble ligand, N,N-bis(diphenylphosphinomethyl)-2-aminoethylphosphonic acid, (Ph2PCH2)2NCH2CH2PO3H2, had been synthesized in quantitative yield by reaction of 2-aminoethylphosphonic acid with bis(hydroxymethyl)-diphenylphosphonium chloride in water. Its mono- and disodium salts, which can be used as water-soluble ligands for transition metal complex catalysts, were also easily prepared under mild conditions.
Keywords: N; N-Bis(diphenylphosphinomethyl)-2-aminoethylphosphonic acid; Synthesis

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MDPI and ACS Style

Ma, X.; Fu, X.; Li, L.; Chen, J. Synthesis of the New Type of Water-Soluble Ligand N,N-Bis-(diphenylphosphinomethyl)-2-aminoethylphosphonic Acid (Ph2PCH2)2NCH2CH2PO3H2 and Its Sodium Salt. Molecules 2001, 6, 390-395.

AMA Style

Ma X, Fu X, Li L, Chen J. Synthesis of the New Type of Water-Soluble Ligand N,N-Bis-(diphenylphosphinomethyl)-2-aminoethylphosphonic Acid (Ph2PCH2)2NCH2CH2PO3H2 and Its Sodium Salt. Molecules. 2001; 6(4):390-395.

Chicago/Turabian Style

Ma, Xuebing; Fu, Xiangkai; Li, Longqin; Chen, Jingrong. 2001. "Synthesis of the New Type of Water-Soluble Ligand N,N-Bis-(diphenylphosphinomethyl)-2-aminoethylphosphonic Acid (Ph2PCH2)2NCH2CH2PO3H2 and Its Sodium Salt." Molecules 6, no. 4: 390-395.

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