1,1-Diphosphines and divinylphosphines via base catalyzed hydrophosphination

Nathan Coles; Mary Mahon; Ruth Webster

doi:10.1039/C8CC05890C

1,1-Diphosphines and divinylphosphines via base catalyzed hydrophosphination

Nathan Coles, Mary Mahon, Ruth Webster

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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 HPPh₂and catalytic potassium hexamethyldisilazane (KHMDS) to generate 1,1-diphosphines. A change to H₂PPh leads to the formation of P,P-divinyl phosphines.

Original language	English
Pages (from-to)	10443-10446
Number of pages	4
Journal	Chemical Communications
Volume	54
Issue number	74
Early online date	22 Aug 2018
DOIs	https://doi.org/10.1039/C8CC05890C
Publication status	Published - 21 Sept 2018

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
General Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1039/C8CC05890CLicence: CC BY

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title = "1,1-Diphosphines and divinylphosphines via base catalyzed hydrophosphination",

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. ",

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AU - Coles, Nathan

AU - Mahon, Mary

AU - Webster, Ruth

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Y1 - 2018/9/21

N2 - 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.

AB - 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.

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U2 - 10.1039/C8CC05890C

DO - 10.1039/C8CC05890C

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EP - 10446

JO - Chemical Communications

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ER -

1,1-Diphosphines and divinylphosphines via base catalyzed hydrophosphination

Abstract

ASJC Scopus subject areas

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EC Fellowship - Cast Iron Catalysis: New Protocols for the Synthesis of Carbon-Phosphorus Bonds

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1,1-Diphosphines and divinylphosphines via base catalyzed hydrophosphination

Abstract

ASJC Scopus subject areas

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Projects

EC Fellowship - Cast Iron Catalysis: New Protocols for the Synthesis of Carbon-Phosphorus Bonds

Cite this