Coordination-induced hydrogen abstraction in the reactions of a stable dialkylphosphinyl radical with BH3-Lewis base adducts

Shintaro Ishida; Hitomi Ichikawa; Takeaki Iwamoto

doi:10.1246/cl.170248

Coordination-induced hydrogen abstraction in the reactions of a stable dialkylphosphinyl radical with BH₃-Lewis base adducts

Shintaro Ishida, Hitomi Ichikawa, Takeaki Iwamoto

SCI - Chemistry

Tohoku University

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Reactions of a stable dialkylphosphinyl radical, 2,2,5,5-tetrakis(trimethylsilyl)-1-phosphacyclopentane-1-yl (1) with BH₃-Lewis base (LB) adducts [BH₃(LB)] provided hydrophosphine 3, hydrophosphine-borane complex 4, and μ-phosphinodiborane(6) 5 as detectable products via hydrogen abstraction. Theoretical studies revealed that BH bonds in BH₃ become considerably weaker upon coordination of 1, which reflected in facile hydrogen abstraction from phosphinyl radical-BH₃ complex.

Original language	English
Pages (from-to)	883-885
Number of pages	3
Journal	Chemistry Letters
Volume	46
Issue number	6
DOIs	https://doi.org/10.1246/cl.170248
Publication status	Published - 2017

Keywords

Boron-lewis base complex
Hydrogen abstraction
Phosphinyl radical

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10.1246/cl.170248

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title = "Coordination-induced hydrogen abstraction in the reactions of a stable dialkylphosphinyl radical with BH3-Lewis base adducts",

abstract = "Reactions of a stable dialkylphosphinyl radical, 2,2,5,5-tetrakis(trimethylsilyl)-1-phosphacyclopentane-1-yl (1) with BH3-Lewis base (LB) adducts [BH3(LB)] provided hydrophosphine 3, hydrophosphine-borane complex 4, and μ-phosphinodiborane(6) 5 as detectable products via hydrogen abstraction. Theoretical studies revealed that BH bonds in BH3 become considerably weaker upon coordination of 1, which reflected in facile hydrogen abstraction from phosphinyl radical-BH3 complex.",

keywords = "Boron-lewis base complex, Hydrogen abstraction, Phosphinyl radical",

author = "Shintaro Ishida and Hitomi Ichikawa and Takeaki Iwamoto",

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year = "2017",

doi = "10.1246/cl.170248",

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journal = "Chemistry Letters",

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T1 - Coordination-induced hydrogen abstraction in the reactions of a stable dialkylphosphinyl radical with BH3-Lewis base adducts

AU - Ishida, Shintaro

AU - Ichikawa, Hitomi

AU - Iwamoto, Takeaki

PY - 2017

Y1 - 2017

N2 - Reactions of a stable dialkylphosphinyl radical, 2,2,5,5-tetrakis(trimethylsilyl)-1-phosphacyclopentane-1-yl (1) with BH3-Lewis base (LB) adducts [BH3(LB)] provided hydrophosphine 3, hydrophosphine-borane complex 4, and μ-phosphinodiborane(6) 5 as detectable products via hydrogen abstraction. Theoretical studies revealed that BH bonds in BH3 become considerably weaker upon coordination of 1, which reflected in facile hydrogen abstraction from phosphinyl radical-BH3 complex.

AB - Reactions of a stable dialkylphosphinyl radical, 2,2,5,5-tetrakis(trimethylsilyl)-1-phosphacyclopentane-1-yl (1) with BH3-Lewis base (LB) adducts [BH3(LB)] provided hydrophosphine 3, hydrophosphine-borane complex 4, and μ-phosphinodiborane(6) 5 as detectable products via hydrogen abstraction. Theoretical studies revealed that BH bonds in BH3 become considerably weaker upon coordination of 1, which reflected in facile hydrogen abstraction from phosphinyl radical-BH3 complex.

KW - Boron-lewis base complex

KW - Hydrogen abstraction

KW - Phosphinyl radical

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JO - Chemistry Letters

JF - Chemistry Letters

IS - 6

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Coordination-induced hydrogen abstraction in the reactions of a stable dialkylphosphinyl radical with BH₃-Lewis base adducts

Abstract

Keywords

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