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Synthesis of Ethyl Octyl-α-Aminophosphonate Derivatives

[ Vol. 13 , Issue. 4 ]

Author(s):

Ádám Tajti, Erika Bálint and György Keglevich   Pages 638 - 645 ( 8 )

Abstract:


Ethyl octyl phosphite (EOP), a dialkyl phosphite with mixed alkyl groups was prepared, and utilized in the Kabachnik–Fields reaction. The condensation of EOP, paraformaldehyde and primary or secondary amines used in equimolar quantities afforded new α-aminophosphonates under microwave conditions. Methylation of the -α(alkylamino)phosphonates was also investigated. The double phospha-Mannich reaction of primary amines and two equivalents of EOP and paraformaldehyde furnished new bis(phosphonomethyl)amines.

Keywords:

Ethyl octyl phosphite, Kabachnik–Fields reaction, Ethyl octyl α-aminomethyl-phosphonates, N, N-Bis(ethyloctylphosphonoylmethyl) amines, Microwave.

Affiliation:

Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary.

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