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Original Articles

An Efficient Green Synthesis of Novel α-Diaminophosphonates

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Pages 1893-1900 | Received 20 Feb 2015, Accepted 04 Mar 2015, Published online: 02 Dec 2015
 

GRAPHICAL ABSTRACT

Abstract

A simple, novel, efficient, and environmentally benign protocol has been established for the synthesis of α-diaminophosphonates in good to excellent yields (74–93%) by a one-pot, three-component reaction of 4,4′-dioxyaniline, various aryl/heteroaryl aldehydes, and diphenyl H-phosphonate by using polyethylene glycol (PEG-600) in water as a green solvent at 80°C via Kabachnik–Fields reaction. The structures of all newly synthesized compounds were characterized by IR, 1H, 13C, 31P NMR, mass spectrometry, and elemental analysis.

ACKNOWLEDGMENTS

The authors are obliged to the Andhra Loyola Institute of Engineering and Technology, Vijayawada, Andhra Pradesh, India for the encouragement.

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