Pd-Catalyzed P-Arylation of Triarylantimony Dicarboxylates with Dialkyl H-Phosphites without a Base : Synthesis of Arylphosphonates

Pd-Catalyzed P-Arylation of Triarylantimony Dicarboxylates with Dialkyl H-Phosphites without a Base : Synthesis of Arylphosphonates

The reaction of triarylantimony diacetates [Ar3Sb(OAc)2] with dialkyl H-phosphites [H-PO(OR)2] in the presence of a Pd(PPh3)4 (5mol%) catalyst led to the formation of arylphosphonates in moderate to excellent yield under base-free conditions. This reaction is the first example of carbon-phosphorus b...

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Veröffentlicht in:Chemical and Pharmaceutical Bulletin 2015-02, Vol.63 (2), p.130-133
Hauptverfasser: Mio Matsumuraa, Yuqiang Dongb, Naoki Kakusawab, Shuji Yasuikea
Format: Artikel
Sprache:jpn
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Zusammenfassung:The reaction of triarylantimony diacetates [Ar3Sb(OAc)2] with dialkyl H-phosphites [H-PO(OR)2] in the presence of a Pd(PPh3)4 (5mol%) catalyst led to the formation of arylphosphonates in moderate to excellent yield under base-free conditions. This reaction is the first example of carbon-phosphorus bond formation by using an organoantimony compound as a pseudo-halide.
ISSN:0009-2363