1,1-Diphosphines and divinylphosphines via base catalyzed hydrophosphination

Chemical Communications : Chem Comm
N T ColesRuth L Webster

Abstract

A catalytic hydrophosphination route to 1,1-diphosphines is yet to be reported: these narrow bite angle pro-ligands have been used to great effect as ligands in homogeneous catalysis. We herein demonstrate that terminal alkynes readily undergo double hydrophosphination with HPPh2 and catalytic potassium hexamethyldisilazane (KHMDS) to generate 1,1-diphosphines. A change to H2PPh leads to the formation of P,P-divinyl phosphines.

References

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Citations

Jul 2, 2019·Angewandte Chemie·Victoria A PollardRobert E Mulvey
Feb 11, 2020·Chemical Communications : Chem Comm·Zhaoyang ChengZhan Lu
Jul 8, 2021·Organic & Biomolecular Chemistry·Indrani Banerjee, Tarun K Panda
Aug 28, 2020·Organic Letters·Yanjie LiuFrançois Mathey

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Methods Mentioned

BETA
NMR

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