Convenient Synthesis of New Si-H and Si-Vinyl Functionalized Stereospecific 8-, 12-and 24-Membered Cyclosiloxanes

被引：34

作者：

Anisimov, Anton A. ^{[1
]}

Kononevich, Yuriy N. ^{[1
]}

Buzin, Mikhail I. ^{[1
]}

Peregudov, Alexandr S. ^{[1
]}

Shchegolikhina, Olga I. ^{[1
]}

Muzafarov, Aziz M. ^{[1
,2
]}

机构：

[1] Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia

[2] Russian Acad Sci, NS Enikolopov Inst Synthet Polymer Mat, Moscow 117393, Russia

来源：

MACROHETEROCYCLES | 2016年 / 9卷 / 04期

基金：

俄罗斯科学基金会;

关键词：

Polyhedral organometallasiloxanes; stereoregular organocyclosiloxanes; NMR-; IR-spectroscopy; TGA; DSC; DIRECTED HYDROLYTIC CONDENSATION; MESOMORPHIC PROPERTIES; MESOPHASE STRUCTURE; CYCLIC SILOXANES; THERMAL-BEHAVIOR; ALKALI-METAL; SILSESQUIOXANES; FRAMEWORKS;

D O I：

10.6060/mhc160751s

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two approaches to the selective synthesis of polyfunctional stereoregular cyclosiloxanes from polyhedral organometallasiloxanes are reported. The molecules of organometallasiloxanes possess sandwich or globular structure and contain one or two stereoregular organocyclosiloxanolate fragments coordinated to metal ions. According to the first approach organometallasiloxanes were prepared primarily and then were treated with chlorodimethylsilane or dimethylchlorovinylsilane. The second method is based on the initial transforming of organometallasiloxanes into cyclic polysiloxanols reacted afterwards with corresponding chlorosilanes. The synthesized functional stereoregular cyclosiloxanes are fully characterized by NMR- and IR-spectroscopy, HRMS, TGA, and DSC.

引用

页码：442 / 452

页数：11

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