第四组杂环金刚烷：SiSn 的合成和 SiGe 的位点选择性衍生化。
Group IV heteroadamantanes: synthesis of SiSn and site-selective derivatization of SiGe.
机构信息
Institute for Inorganic and Analytical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 7, Frankfurt am Main 60438, Germany.
Smart Materials, Evonik Operations GmbH, Untere Kanalstraße 3, Rheinfelden 79618, Germany.
出版信息
Chem Commun (Camb). 2023 Feb 21;59(16):2295-2298. doi: 10.1039/d2cc06697a.
PMID:36744715
Abstract
The mixed heteroadamantanes SiGe and SiSn are readily accessible from MeECl/SiCl/cat. Cl (4 × EMe, 2 × SiCl, 4 × Si-SiCl vertices; E = Ge, Sn). Different from SiGe, two skeletal isomers are formed in the case of SiSn. Site-selective SiCl-methylation of SiGe was achieved, leaving the SiCl groups untouched.
摘要
混合异金刚烷 SiGe 和 SiSn 可通过 MeECl/SiCl/cat.Cl（4×EMe，2×SiCl，4×Si-SiCl 顶点；E=Ge，Sn）轻易获得。与 SiGe 不同，SiSn 形成了两种骨架异构体。实现了 SiGe 的选择性 SiCl-甲基化，而 SiCl 基团则保持不变。
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