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

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Received: 4 July 2000; in revised form: 25 September 2000 / Accepted: 26 September 2000 / Published: 31 March 2001
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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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