Methods for effecting monofunctionalization of (CH2CH)8Si8O12
- 1 January 1999
- journal article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 14,p. 1289-1290
- https://doi.org/10.1039/a901308c
Abstract
A new method is described for effecting selective monofunctionalization of CH2 CH)8Si8O12 2: reaction of 2 with triflic acid (TfOH) produces (TfOCH2CH2)(CH2 CH)7Si8O12 3, which reacts with nucleophiles (e.g. H2O or 2-mercaptopyridine) to produce (XCH2CH2)(CH2 CH)7Si8O12 (4 X = OH, 5 X = SC5H4N); acylation of 4 with p-O2NC6H4COCl affords (p-O2NC6H4CO2- CH2CH2)(CH2 CH)7Si8O12 6; catalytic hydrogenation of 4 affords (HOCH2CH2) Et7Si8O12 7.Keywords
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