Efficient Synthesis of β-Lactam-Containing α-Aminophosphonates Using Fumaric Acid as Mild Catalyst
Journal: Chemical Methodologies (Vol.2, No. 4)Publication Date: 2018-10-01
Authors : Vijaya Bhaskar Vangala; Hari Pati;
Page : 333-340
Keywords : Fumaric acid; α-aminophosphonate ester; β-Lactam;
Abstract
A short and efficient protocol for the synthesis of novel α-aminophosphonate esters containing β-lactam moiety is described. Inexpensive and mild catalyst such as fumaric acid was used for the synthesis of α-aminophosphonate esters by reacting N-(4-methoxyphenyl)-2-(substituted) propiolactam-3-carbaldehyde with amine and triethylphosphite in acetonitrile at reflux. α-aminophosphonate esters containing β-lactam hybrids were obtained in good yield and purity.
A short and efficient protocol for the synthesis of novel α-aminophosphonate esters containing β-lactam moiety is described. Inexpensive and mild catalyst such as fumaric acid was used for the synthesis of α-aminophosphonate esters by reacting N-(4-methoxyphenyl)-2-(substituted) propiolactam-3-carbaldehyde with amine and triethylphosphite in acetonitrile at reflux. α-aminophosphonate esters containing β-lactam hybrids were obtained in good yield and purity.
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