Preliminary silylation for structure determination of oligomeric silsesquioxanes by matrix-assisted laser desorption/ionisation mass spectrometry

被引：15

作者：

Zaikin, V. G. ^{[1
]}

Borisov, R. S. ^{[1
]}

Polovkov, N. Yu. ^{[1
]}

Filatov, S. N. ^{[2
]}

Kireev, V. V. ^{[2
]}

机构：

[1] Russian Acad Sci, AV Topchiev Petrochem Synth Inst, Moscow 119991, Russia

[2] D Mendeleev Univ Chem Technol Russia, Polymer Chem & Technol Dept, Moscow, Russia

来源：

EUROPEAN JOURNAL OF MASS SPECTROMETRY | 2009年 / 15卷 / 02期

关键词：

silylation; silsesquioxanes; mass spectrometry; matrix-assisted laser desorption/ionisation; DESORPTION IONIZATION; DERIVATIZATION; COPOLYMERS; POLYMERS; MALDI;

D O I：

10.1255/ejms.946

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

The potential of preliminary silylation for the determination of numbers of hydroxyl groups in separate molecules of oligomeric silsesquioxanes by matrix-assisted laser desorption/ionisation mass spectrometry has been demonstrated for the first time Derivatisations allowing the introduction of trimethylsilyl, tert-butyldimethylsilyl and pentafLuorophenytdimethytsityl groups were tested. It was shown that more reliable structure elucidation of individual oligomers can be achieved knowing the number of hydroxyl groups thus determined.

引用

页码：231 / 238

页数：8

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