Synthesis of Tricyclic Laddersiloxane with Various Ring Sizes (Bat Siloxane),Macromolecular Rapid Communications

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Synthesis of Tricyclic Laddersiloxane with Various Ring Sizes (Bat Siloxane)
Macromolecular Rapid Communications ( IF 4.2 ) Pub Date : 2020-12-16 , DOI: 10.1002/marc.202000608
Thanawat Chaiprasert ₁ , Yujia Liu ₁ , Pa-Kwan Intaraprecha ₁ , Rungthip Kunthom ₁ , Nobuhiro Takeda ₁ , Masafumi Unno ₁

Affiliation

A new synthetic method for tricyclic laddersiloxanes, ladder‐type silsesquioxanes with defined structures, is developed based on intramolecular cyclization of hydrosilyl‐functionalized cyclic siloxanes. This method enables the construction of unprecedented laddersiloxanes with various ring sizes. Herein, the preparation of tricyclic laddersiloxanes containing 6‐8‐6‐, 8‐8‐8‐, or 12‐8‐12‐membered‐ring systems is reported. These products can be considered as bat‐shape siloxanes, owing to their rigid inorganic siloxane body with flexible oligosiloxane “wings” as side rings. The synthesized compounds are potential building blocks for well‐defined nanomaterials, porous materials, and host molecules.

中文翻译：

各种环尺寸的三环梯形硅氧烷的合成（Bat硅氧烷）

基于氢化甲硅烷基官能化的环状硅氧烷的分子内环化，开发了一种新的合成三环梯形硅氧烷的合成方法，即具有确定结构的梯型倍半硅氧烷。该方法能够构建具有各种环尺寸的空前的梯形硅氧烷。本文报道了含有6-8-6-6、8-8-8或12-8-12元环的三环梯形硅氧烷的制备方法。这些产品由于具有刚性的无机硅氧烷主体和柔性的低聚硅氧烷“侧翼”作为侧环，因此可以视为蝙蝠状硅氧烷。合成的化合物是定义明确的纳米材料，多孔材料和主体分子的潜在组成部分。

更新日期：2020-12-16

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