Addition of amine derivatives to phosphorylated 1,2-diaza-1,3-butadienes. Synthesis of α-aminophosphonates |
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| Authors: | Francisco Palacios,Domitila Aparicio,Yago Ló pez,Jesú s M. de los Santos |
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| Abstract: | Achiral and chiral 1,2-diaza-1,3-butadienes derived from phosphine oxides and phosphonates are obtained from hydrazonoalkyl-phosphine oxides and -phosphonates. Michael addition (1,4-addition) of ammonia, aminoesters and aminoalcohols to these azo-alkenes gives functionalized α-amino-phosphine oxides and -phosphonates. |
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| Keywords: | α-Aminophosphonates Hydrazones Michael addition Phosphorylated 1,2-diaza-1,3-butadienes Umpolung reaction |
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