WACKER-Institute of Silicon Chemistry and, Catalysis Research Center, Technische Universität München, Lichtenbergstraße 4, 85748, Garching bei München, Germany.
Department of Chemical and Biological Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI, 53706-1607, USA.
Chemistry. 2019 Jan 24;25(5):1198-1202. doi: 10.1002/chem.201805604. Epub 2018 Dec 20.
The first donor-acceptor complex of a silaaldehyde, with the general formula (NHC)(Ar)Si(H)OGaCl (NHC=N-heterocyclic carbene), was synthesized using the reaction of silyliumylidene-NHC complex [(NHC) (Ar)Si]Cl with water in the presence of GaCl . Conversion of this complex to the corresponding silacarboxylate dimer [(NHC)(Ar)SiO GaCl ] , free silaacetal ArSi(H)(OR) , silaacyl chloride (NHC)(Ar)Si(Cl)OGaCl , and phosphasilene-NHC adduct (NHC)(Ar)Si(H)PTMS unveil its true potential as a synthon in silacarbonyl chemistry.
首次合成了通式为（NHC）（Ar）Si（H）OGaCl（NHC=N-杂环卡宾）的硅醛的第一个给体-受体络合物，该络合物是通过硅亚胺基-NHC 络合物[(NHC)(Ar)Si]Cl 与水在 GaCl 的存在下反应得到的。该络合物转化为相应的硅羧酸酯二聚体[(NHC)(Ar)SiO GaCl ]、游离的硅甲缩醛 ArSi(H)(OR)、硅酰氯（NHC）（Ar）Si（Cl）OGaCl 和膦硅烯-NHC 加合物（NHC）（Ar）Si（H）PTMS，揭示了其作为硅羰基化学中合成子的真正潜力。
