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A facile catalyst-free and efficient one-pot, three-component reaction (Kabachinik-Fields Reaction) for the synthesis of novel ?±-aminophosphonates | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X
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Abstract

A facile catalyst-free and efficient one-pot, three-component reaction (Kabachinik-Fields Reaction) for the synthesis of novel ?±-aminophosphonates

Author(s): K. Ravi Kumar, N. Suresh, C. Sampath, C. Ramababu and C. Venkateswarlu

A facile and an efficient method has been developed for the synthesis of novel α-aminophosphonates (4a-j) by the one-pot, three-component reaction of equimolar quantities of 2-Amino-6-Nitrobenzothiazole (1), dimethyl phosphite (2) and various aldehydes (3a-j) in dry toluene at reflux conditions via Kabachinik-Fields reaction in high yields (70-80%) without any catalyst. Their chemical structures were established by IR, 1H, 13C, 31P-NMR, mass spectral studies and elemental analyses.


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