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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/4108

Title: Synthesis, spectral studies, and structural characterization of a new organosilanetriol, its amine complexes, and a surface Lewis basic cubic aluminosilicate
Authors: PRABUSANKAR, G
MURUGAVEL, R
BUTCHER, RJ
Keywords: ray crystal-structure
stable silanetriols
building-blocks
model compounds
silanols
aluminosiloxanes
metallasiloxanes
titanasiloxanes
derivatization
reactivity
Issue Date: 2005
Publisher: AMER CHEMICAL SOC
Citation: ORGANOMETALLICS, 24(9), 2124-2128
Abstract: 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.
URI: http://dx.doi.org/10.1021/om049254+
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4108
http://hdl.handle.net/10054/4108
ISSN: 0276-7333
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