Th e Study of Labile Silylene Reactions Using Matrix IR Spectroscopy
- 作者: Boganov S.E.1, Promyslov V.M.1, Krylova I.V.1, Shangin P.G.1, Syroeshkin M.A.1, Egorov M.P.1
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隶属关系:
- N.D. Zelinsky Institute of Organic Chemistry, RAS
- 期: 卷 122, 编号 2 (2024): THEMED SECTION: FUNDAMENTAL PRINCIPLES OF ORGANIC ELECTROCHEMISTRY, CREATION OF NEW FUNCTIONAL MATERIALS AND MATERIALS FOR MEDICINE
- 页面: 80-92
- 栏目: THEMED SECTION: FUNDAMENTAL SCIENTIFIC RESEARCH IN THE FIELD OF NATURAL SCIENCES
- URL: https://bakhtiniada.ru/1605-8070/article/view/303452
- DOI: https://doi.org/10.22204/2410-4639-2024-122-02-80-92
- ID: 303452
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Using matrix IR spectroscopy, complexes of SiCl2 with CO2 and CO were stabilized in argon matrices at ~10 K and spectroscopically characterized. Complex Cl2Si•CO2 is the first experimentally detected complex of any silylenes with CO2. It is found that under matrix conditions, it exists in a photochemical equilibrium with the isomeric complex Cl2Si=O•CO, with the equilibrium being strongly shifted towards Cl2Si•CO2. The detected complex Cl2Si•CO with the coordination of the silylene to the C atom is the first unclassical complex of silylenes. The first complex with the silylene coordination to the O atom of CO, Cl2Si•OC, was also detected. Using matrix IR spectroscopy, photochemical transformations of one of the simplest labile silylenes, dimethoxysilylene, Si(OMe)2, were studied, all its conformers were revealed. It was confirmed that the only product of its photoisomerisation is labile methylmethoxysilanone, Me(MeO)Si=O. Potential energy surfaces of the studied systems were explored using quantum chemical calculations.
作者简介
Sergey Boganov
N.D. Zelinsky Institute of Organic Chemistry, RAS
编辑信件的主要联系方式.
Email: bog@ioc.ac.ru
俄罗斯联邦, 47 Leninsky Ave., Moscow, 119991, Russia
Vladimir Promyslov
N.D. Zelinsky Institute of Organic Chemistry, RAS
Email: vladimir-promyslov@yandex.ru
俄罗斯联邦, 47 Leninsky Ave., Moscow, 119991, Russia
Irina Krylova
N.D. Zelinsky Institute of Organic Chemistry, RAS
Email: kiv@ioc.ac.ru
俄罗斯联邦, 47 Leninsky Ave., Moscow, 119991, Russia
Pavel Shangin
N.D. Zelinsky Institute of Organic Chemistry, RAS
Email: shangin@ioc.ac.ru
俄罗斯联邦, 47 Leninsky Ave., Moscow, 119991, Russia
Mikhail Syroeshkin
N.D. Zelinsky Institute of Organic Chemistry, RAS
Email: syroeshkin@ioc.ac.ru
俄罗斯联邦, 47 Leninsky Ave., Moscow, 119991, Russia
Mikhail Egorov
N.D. Zelinsky Institute of Organic Chemistry, RAS
Email: mpe@ioc.ac.ru
Academician, Director
俄罗斯联邦, 47 Leninsky Ave., Moscow, 119991, Russia参考
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