Kuriakose, Sunny ; Rajasekharan Pillai, V. N. (1994) Benzil-benzilic acid rearrangement in crosslinked macromolecular systems: effect of crosslinking Polymer, 35 (6). pp. 1339-1341. ISSN 0032-3861
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/003238...
Related URL: http://dx.doi.org/10.1016/0032-3861(94)90036-1
Abstract
The effect of the molecular character and extent of crosslinking units on polymer-analogous benzil-benzilic acid rearrangement was investigated. A typical hydrophobic styrene-divinylbenzene copolymer and a hydrophilic styrene-tetraethyleneglycol diacrylate copolymer were used as the polymer supports. Supports with crosslink densities varying from 2 to 20% were functionalized. The polymer-bound aldehydes were subjected to crossed benzoin condensation in the presence of benzaldehyde. The benzoin analogues were converted to benzils and then subjected to benzil-benzilic acid rearrangement. The products were characterized by i.r. and 13C n.m.r. spectroscopy and the extent of rearrangement was determined by chemical methods.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Benzilic Acid; Crosslinking; Rearrangement |
| ID Code: | 38579 |
| Deposited On: | 23 May 2011 06:34 |
| Last Modified: | 23 May 2011 06:34 |
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