A practical access to a-phosphonoenamides

Béatrice Quiclet-Sire; Samir Zard; H. Zhang

A practical access to a-phosphonoenamides

Béatrice Quiclet-Sire ^{1, 2} Samir Zard ^{1, 2} H. Zhang ²

1 DCSO - Laboratoire de synthèse organique

2 ICSN - Institut de Chimie des Substances Naturelles

Abstract : Reaction of a-oximinophosphonates first with acetic anhydride then with iron powder and acetic acid at 50-60 °C results in the clean formation of an E-Z mixture of a-phosphonoenacetamides, which are immediate precursors to a-aminophosphonic acids. © 2002 Elsevier Science B.V. All rights reserved.

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A practical access to a-phosphonoenamides

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A practical access to a-phosphonoenamides

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