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Synthesis of MeBICAAC Supported Si(III) Radicals and a Silylone via Reduction Route From MeBICAAC-Si(IV) Precursors.
Kumar Thakur, Sandeep; De, Sriman; Adhikari, Manu; Manar, Krishna K; Koley, Debasis; Singh, Sanjay.
Afiliación
  • Kumar Thakur S; Department of Chemical Science, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar Mohali, 140306, Punjab, India.
  • De S; Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER), Kolkata, Mohanpur, 741246, India.
  • Adhikari M; Department of Chemical Science, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar Mohali, 140306, Punjab, India.
  • Manar KK; Department of Chemical Science, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar Mohali, 140306, Punjab, India.
  • Koley D; Present address, Department of Chemistry, University of Allahabad, Prayagraj-, 211002, Uttar Pradesh, India.
  • Singh S; Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER), Kolkata, Mohanpur, 741246, India.
Chem Asian J ; : e202400730, 2024 Aug 12.
Article en En | MEDLINE | ID: mdl-39132698
ABSTRACT
Past one decade has witnessed a tremendous growth in the field of carbene stabilized low-valent silicon compounds unravelling very exciting properties of these molecules. Herein, we have employed a bicyclic (alkyl)(amino)carbene, (MeBICAAC) to explore the low-valent chemistry of silicon. The reduction of bicyclic (alkyl)(amino)carbene-SiCl4 complex, [(MeBICAAC)SiCl4] (1) with KC8 afforded low-valent Si complexes, including Si(III) radical [(MeBICAAC)SiCl3] (2) and a complex with silicon center in a formal zero-valent state, [(MeBICAAC)2Si] (3). Similarly, the reduction of in-situ generated MeBICAAC adduct of Me2SiCl2 with one equivalent of KC8 led to the formation of [(MeBICAAC)SiMe2Cl] (4) complex having an unpaired electron. These complexes have been characterized by IR, UV-Vis., NMR, HRMS, EPR and their solid-state structures were also elucidated by single crystal X-ray crystallography. Further, DFT calculations revealed the lower energy singlet state for complexes 1, 3 and doublet state for complexes 2, 4.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Chem Asian J Año: 2024 Tipo del documento: Article País de afiliación: India Pais de publicación: Alemania
Texto completo
Añadir a Mi BVS
Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Chem Asian J Año: 2024 Tipo del documento: Article País de afiliación: India Pais de publicación: Alemania