Synthesis and Reactivity of Nitrogen Nucleophiles-Induced Cage-Rearrangement Silsesquioxanes

被引：41

作者：

Jaroentomeechai, Thapakorn ^{[1
,2
]}

Yingsukkamol, Pa-kwan ^{[1
,2
]}

Phurat, Chuttree ^{[5
]}

Somsook, Ekasith ^{[1
,2
]}

Osotchan, Tanakorn ^{[3
,4
]}

Ervithayasuporn, Vuthichai ^{[1
,2
,4
]}

机构：

[1] Mahidol Univ, Dept Chem, Fac Sci, Bangkok 10400, Thailand

[2] Mahidol Univ, Ctr Excellence Innovat Chem PERCH CIC, Fac Sci, Bangkok 10400, Thailand

[3] Mahidol Univ, Dept Phys, Fac Sci, Bangkok 10400, Thailand

[4] Mahidol Univ, Capabil Bldg Unit Nanosci & Nanotechnol, Fac Sci, Bangkok 10400, Thailand

[5] Chulalongkorn Univ, Dept Chem, Fac Sci, Bangkok 10330, Thailand

来源：

INORGANIC CHEMISTRY | 2012年 / 51卷 / 22期

关键词：

POSS POLYMERS; FUNCTIONALIZATION; COMPLEXES; ALKENES;

D O I：

10.1021/ic3015145

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Novel phthalimide and o-sulfobenzimide-functionalized silsesquioxanes were successfully synthesized via nucleophilic substitution reactions from octakis(3-chloropropyl)octasilsesquioxane. Surprisingly, the formation of deca- and dodecasilsesquioxanes cages was discovered during substitution with phthalimide, but only octasilsesquioxane maintained a cage in the o-sulfobenzimide substitution reaction. Moreover, we report the electronic effect of nitrogen nucleophiles to promote cage-rearrangement of inorganic silsesquioxane core for the first time. Structures of products were confirmed by H-1, C-13, and Si-29 NMR spectroscopy, ESI-MS analysis, and single-crystal X-ray diffraction.

引用

页码：12266 / 12272

页数：7

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