Chandrasekhar, S. ; Shameem Sultana, S. ; Narsihmulu, Ch. ; Yadav, J. S. ; Gree, R. ; Guillemin, J. C. (2002) Direct condensation of carboxylic acids with polyethylene glycols catalyzed by Sc(OTf)3 Tetrahedron Letters, 43 (46). pp. 8335-8337. ISSN 0040-4039
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0040-4039(02)02008-7
Abstract
Esterification of soluble polymers by direct condensation of equimolar amounts of carboxylic acids with polyethylene glycols is achieved using catalytic Sc(OTf)3 in toluene for the first time. The first esterification of a soluble polymer by condensation of equimolar amounts of carboxylic acids and polyethylene glycols is achieved using catalytic Sc(OTf)3 in toluene.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 59655 |
| Deposited On: | 07 Sep 2011 05:33 |
| Last Modified: | 07 Sep 2011 05:33 |
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