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Stereoselective Synthesis of 2-Amino-4-phosphono-4-pentenoic Acid Derivatives (AP4 Analogues)
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1  Departamento de Química Fundamental e Industrial. Facultade de Ciencias. Universidade da Coruña Campus A Zapateira s/n, A Coruña 15071. Spain.

Abstract: a-Phoshono esters are widely employed substrates in olefin synthesis via Wadsworth-Emmons reaction.[1] Recently, Collignon and et al have described the organostannyl derivatives as useful intermediates in the synthesis of alkenylphosphonates.[2] In this communication we report our preliminary results on the stereoselective synthesis of amino acids containing alkenylphosphonates by using the a-triorganostannylated bislactim ether
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