Synthesis of 1-Amino-2,5-dihydro-1H-phosphole 1-Oxides and their N-Phosphinoyl Derivatives, Bis(2,5-dihydro-1H-phoshol-1-yl)amine P,P'-Dioxides

Kiss, Nóra Zsuzsa and Simon, András and Drahos, László and Huben, Krzysztof and Jankowski, Stefan and Keglevich, György (2013) Synthesis of 1-Amino-2,5-dihydro-1H-phosphole 1-Oxides and their N-Phosphinoyl Derivatives, Bis(2,5-dihydro-1H-phoshol-1-yl)amine P,P'-Dioxides. Synthesis-Stuttgart, 45 (2). pp. 199-204. ISSN 0039-7881

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Abstract

Depending on the molar ratio of the reactants and on the order of mixing, the reactions of a series of primary amines with 1-chloro-2,5-dihydro-1H-phosphole 1-oxides prepared in situ from the corresponding hydroxy-dihydrophosphole oxides afforded 1-amino-2,5-dihydro-1H-phosphole 1-oxides, or their N-phosphinoyl derivatives, bis(2,5-dihydro-1H-phosphol-1-yl)amine P,P’-dioxides. The latter family of P-heterocycles could also be synthesized by the reaction of 1-amino-2,5-dihydro-1H-phosphole oxides with chloro-dihydrophosphole oxides.

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