Activation and modification of carbon dioxide by redox-active low-valent gallium species

Vladimir A. Dodonov, Olga A. Kushnerova, Evgeny V. Baranov, Alexander S. Novikov, Igor L. Fedushkin

Результат исследований: Научные публикации в периодических изданияхстатьярецензирование

2 Цитирования (Scopus)

Аннотация

The activation of carbon dioxide by metallylene [(dpp-bian)GaNa(DME)2] (dpp-bian = 1,2-bis[(2,6-di-isopropylphenyl)imino]acenaphthene) under mild conditions is described. Furthermore, the reaction of the activation complex [(dpp-bian)Ga(CO2)2Ga(dpp-bian)][Na(DME)2]2(2) with diphenylketene, cyclohexyl isocyanate, and phenyl isocyanate leads to the elimination of carbon monoxide and the formation of derivatives of oxocarboxylic acid [(dpp-bian)GaOC(O)C(Ph)2C(CPh2)O][Na(DME)2] (6) and carbamate derivatives [(dpp-bian)GaN(Cy)C(O)N(Cy)C(O)O]2[Na(DME)2]2(7) and [(dpp-bian)GaN(Ph)C(O)O]2[Na(DME)2]2(8), respectively. Complexes have been characterized by NMR, IR spectroscopy, elemental analysis, and X-ray diffraction analysis. Their electronic structures have been examined by DFT calculations. The possible mechanism of the modification reaction is proposed and supported by the investigation of13CO2-enriched samples and DFT calculations.

Язык оригиналаанглийский
Страницы (с-по)8899-8906
Число страниц8
ЖурналDalton Transactions
Том50
Номер выпуска25
DOI
СостояниеОпубликовано - 7 июл 2021

Предметные области Scopus

  • Неорганическая химия

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