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Synthesis 1992; 1992(11): 1124-1128
DOI: 10.1055/s-1992-26319
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Studies on Organophosphorus Compounds; LXIII. A New and Facile Synthetic Route to Protected Phosphonodipeptides: A Backbone for the Formation of Oligophosphonopeptides

Chengye Yuan* , Shoujun Chen
  • *Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People's Republic of China
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Publication Date:
17 September 2002 (online)

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A modified three-component condensation of 2-haloalkanamides, benzaldehydes and dialkyl phosphites leading to α-(2-haloacylamino)-substituted dialkyl benzylphosphonates 1 is described. Compounds 1 upon reaction with phthalimide and potassium carbonate under phase transfer catalysis conditions afford protected phosphonodipeptides, which can be used as important intermediates for the synthesis of oligophosphonopeptides.