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Synthesis, spectral studies, and structural characterization of a new organosilanetriol, its amine complexes, and a surface Lewis basic cubic aluminosilicate

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Title Synthesis, spectral studies, and structural characterization of a new organosilanetriol, its amine complexes, and a surface Lewis basic cubic aluminosilicate
 
Creator PRABUSANKAR, G
MURUGAVEL, R
BUTCHER, RJ
 
Subject ray crystal-structure
stable silanetriols
building-blocks
model compounds
silanols
aluminosiloxanes
metallasiloxanes
titanasiloxanes
derivatization
reactivity
 
Description The new trichlorosilane 2,6-Et2C6H3N(SiMe3)SiCl3 (2) on controlled hydrolysis yields 2,6-Et2C6H3N(SiMe3)Si(OH)(3) (3). X-ray diffraction analysis of 3 reveals a rare structure type of aggregation where eight molecules of the silanetriol form an octameric cage through intermolecular O-H...O hydrogen bonding. Reaction of 3 with piperazine (PIP), 4,4'-bipyridine (BPY), and 1,4-diazabicyclo[2,2,2]octane (DABCO) yields [{2,6-Et2C6H3N(SiMe3)Si(OH)(3)}center dot{PIP}] (4), [{2,6-Et2C6H3N(SiMe3)Si(OH)(3)}center dot{BPY}] (5), and [{2,6-Et2C6H3N(SiMe3)Si(OH)(3)}center dot{DABCO}] (6), respectively. Treatment of 6 with (HAlBu2)-Bu-i affords the cubic aluminosiloxane [2,6-Et2C6H3N(SiMe3)SiO3Al(DABCO)](4)center dot 1,4-dioxane (7). The aluminum centers on the cubic core are coordinated by DABCO molecules in a monodentate fashion.
 
Publisher AMER CHEMICAL SOC
 
Date 2011-07-15T00:43:05Z
2011-12-26T12:49:09Z
2011-12-27T05:34:54Z
2011-07-15T00:43:05Z
2011-12-26T12:49:09Z
2011-12-27T05:34:54Z
2005
 
Type Article
 
Identifier ORGANOMETALLICS, 24(9), 2124-2128
0276-7333
http://dx.doi.org/10.1021/om049254+
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4108
http://hdl.handle.net/10054/4108
 
Language en