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Synthesis of arsenic-rich As n ligand complexes from yellow arsenic.


ABSTRACT: The reaction of [{?5-Cp'''Co}2{?,?4:4-toluene}] with yellow arsenic yields the arsenic-rich As n ligand complexes [{Cp'''Co(?,?2:2-As2)}2] (1), [(Cp'''Co)4(?4,?4:4:2:2:1:1-As10)] (2) and [(Cp'''Co)3(?3,?4:4:2:1-As12)] (3), which were comprehensively characterized. The molecular structure of 1 show a triple-decker complex with two As2 units forming the middle-deck; compound 2 contains an all-arsenic As10 analogue of dihydrofulvalene in the molecular structure. The As12 ligand in 3 represents the largest As n ligand complex reported so far.

SUBMITTER: Graßl C 

PROVIDER: S-EPMC5811125 | biostudies-literature | 2015 Feb

REPOSITORIES: biostudies-literature

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Synthesis of arsenic-rich As <sub><i>n</i></sub> ligand complexes from yellow arsenic.

Graßl C C   Bodensteiner M M   Zabel M M   Scheer M M  

Chemical science 20141128 2


The reaction of [{η<sup>5</sup>-Cp'''Co}<sub>2</sub>{μ,η<sup>4:4</sup>-toluene}] with yellow arsenic yields the arsenic-rich As <sub><i>n</i></sub> ligand complexes [{Cp'''Co(μ,η<sup>2:2</sup>-As<sub>2</sub>)}<sub>2</sub>] (<b>1</b>), [(Cp'''Co)<sub>4</sub>(μ<sub>4</sub>,η<sup>4:4:2:2:1:1</sup>-As<sub>10</sub>)] (<b>2</b>) and [(Cp'''Co)<sub>3</sub>(μ<sub>3</sub>,η<sup>4:4:2:1</sup>-As<sub>12</sub>)] (<b>3</b>), which were comprehensively characterized. The molecular structure of <b>1</b> show a  ...[more]

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