Prabusankar, Ganesan ; Murugavel, Ramaswamy ; Butcher, Ray J. (2005) Synthesis, spectral studies, and structural characterization of a new organosilanetriol, its amine complexes, and a surface lewis basic cubic aluminosilicate Organometallics, 24 (9). 2124- 2128. ISSN 0276-7333
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Official URL: http://pubs.acs.org/doi/abs/10.1021/om049254%2B
Related URL: http://dx.doi.org/10.1021/om049254+
Abstract
The new trichlorosilane 2,6-Et2C6H3N(SiMe3)SiCl3 (2) on controlled hydrolysis yields 2,6-Et2C6H3N(SiMe3SiMe3)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(SiMe3SiMe3)Si(OH)3}.{PIP}] (4), [{2,6-Et2C6H3N(SiMe3SiMe3)Si(OH)3}.{BPY}] (5), and [{2,6-Et2C6H3N(SiMe3SiMe3)Si(OH)3}.{DABCO}] (6), respectively. Treatment of 6 with HAliBu2 affords the cubic aluminosiloxane [2,6-Et2C6H3N(SiMe3SiMe3SiO3Al(DABCO)]4.1,4-dioxane (7). The aluminum centers on the cubic core are coordinated by DABCO molecules in a monodentate fashion.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 75177 |
| Deposited On: | 22 Dec 2011 03:21 |
| Last Modified: | 22 Dec 2011 03:21 |
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