Chemistry of Heterocyclic Compounds

, Volume 43, Issue 10, pp 1336–1341 | Cite as

Syntheses of substituted 8-(aminobenzyl)dinaphthodioxaphosphocine 8-oxides

  • M. F. Stephen Babu
  • B. Hari Babu
  • K. R. Kishore Kumar Reddy
  • C. Naga Raju
  • C. Suresh Reddy


Substituted (8-aminobenzyl)dinaphthodioxaphosphocine 8-oxides were prepared in a two-step process. The first step of the reaction is one-pot synthesis of α-aminophosphonates by the reaction of aldehydes, amines, and trialkyl phosphite in the presence of ceric ammonium nitrate. The second step is cyclization of α-aminophosphonates with bis(2-hydroxy-1-naphthyl)methane in the presence of a catalytic amount of p toluenesulphonic acid under reflux conditions. Their structures were established by elemental analyses, IR, 1H, 13C, 31P NMR, and mass spectral data.


α-aminophosphonates bis(2-hydroxy-1-naphthyl)methane dinaphthodioxaphosphocine 8-oxides 


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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • M. F. Stephen Babu
    • 1
  • B. Hari Babu
    • 1
  • K. R. Kishore Kumar Reddy
    • 1
  • C. Naga Raju
    • 1
  • C. Suresh Reddy
    • 1
  1. 1.Department of ChemistrySri Venkateswara UniversityIndia

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