Synthesis of a Homologous Series of Trialkyl Arsines (C3-C12) and Applications of Arsenic Triiodide as a Synthetic Precursor

This work presents some modifications in the post-synthetic processing for a classical arsenic reagent: AsI3. In comparison with the widely used analog, the trichloride, arsenic triiodide presents several advantages such as low toxicity, air stability, and low volatility. It was used as a synthetic...

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Bibliographic Details
Published inJournal of the Brazilian Chemical Society Vol. 32; no. 4; pp. 912 - 916
Main Authors Ligiéro, Carolina, Francisco, Marcos, Gama, Michelle, Carbonezi, Carlos, Leocadio, Isabela, de Souza, Wladmir, Esteves, Pierre
Format Journal Article
LanguageEnglish
Portuguese
Published Sociedade Brasileira de Química 01.04.2021
Subjects
CHEMISTRY, MULTIDISCIPLINARY
two-dimensional chromatography
trialkyl arsines
diversity-oriented Grignard
arsenic triiodide
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Summary:This work presents some modifications in the post-synthetic processing for a classical arsenic reagent: AsI3. In comparison with the widely used analog, the trichloride, arsenic triiodide presents several advantages such as low toxicity, air stability, and low volatility. It was used as a synthetic precursor in the preparation of a variety of arsenic(III) derivatives like arsines, arsenites, and thioarsenites. Besides that, AsI3 was submitted to a diversity-oriented Grignard reaction in the preparation of a homologous series of trialkyl arsines ranging from AsC3H9 to AsC12H27. The series was analyzed by comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry to provide a trialkyl arsines library that can be used for the direct analysis of natural samples.
ISSN:0103-5053
1678-4790
1678-4790
DOI:10.21577/0103-5053.20200242