Title of article
Synthesis of functionalized α-amino-phosphine oxides and -phosphonates by addition of amines and aminoesters to 4-phosphinyl- and 4-phosphonyl-1,2-diaza-1,3-butadienes
Author/Authors
Francisco Palacios، نويسنده , , Domitila Aparicio، نويسنده , , Yago L?pez، نويسنده , , Jes?s M. de los Santos، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2005
Pages
16
From page
2815
To page
2830
Abstract
1,2-Diaza-1,3-butadienes derived from phosphine oxides and phosphonates and with optically active substituents on N-1 and C-3 are obtained by 1,4-elimination from chlorohydrazonoalkyl-phosphine oxides and -phosphonates in the presence of bases. Michael addition (1,4-addition) of ammonia, aliphatic and aromatic amines and aminoesters to these azo-alkenes gives functionalized α-amino-phosphine oxides and -phosphonates.
Keywords
Michael addition , hydrazones , ?-Amino-phosphonates , 3-butadienes , 3-butadienes , 2-diaza-1 , 2-diaza-1 , 4-Phosphinyl-1 , ?-Amino-phosphine oxides , 4-Phosphonyl-1
Journal title
Tetrahedron
Serial Year
2005
Journal title
Tetrahedron
Record number
1088510
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