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Unexpected White Phosphorus (P₄ ) Activation Modes with Silylene-Substituted o-Carboranes and Access to an Isolable 1,3-Diphospha-2,4-disilabutadiene.

ABSTRACT: New types of metal-free white phosphorus (P₄ ) activation are reported. While the phosphine-silylene-substituted dicarborane 1, CB-SiP (CB=ortho-C,C'-C₂ B₁₀ H₁₀ , Si=PhC(tBuN)₂ Si, P=P[N(tBu)CH₂ ]₂ ), activates white phosphorus in a 2 : 1 molar ratio to yield the P₅ -chain containing species 2, the analogous bis(silylene)-substituted compound 3, CB-Si₂ _, reacts with P₄ in the molar ratio of 2 : 1 to furnish the first isolable 1,3-diphospha-2,4-disilabutadiene (Si=P-Si=P-containing) compound 4. For the latter reaction, two intermediates having a CB-Si₂ P₄ and CB-Si₂ P₂ core could be observed by multinuclear NMR spectroscopy. The

SUBMITTER: Xiong Y

PROVIDER: S-EPMC9401593 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature

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Unexpected White Phosphorus (P₄ ) Activation Modes with Silylene-Substituted o-Carboranes and Access to an Isolable 1,3-Diphospha-2,4-disilabutadiene.

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Dataset Information

Unexpected White Phosphorus (P4 ) Activation Modes with Silylene-Substituted o-Carboranes and Access to an Isolable 1,3-Diphospha-2,4-disilabutadiene.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Unexpected White Phosphorus (P₄ ) Activation Modes with Silylene-Substituted o-Carboranes and Access to an Isolable 1,3-Diphospha-2,4-disilabutadiene.