Chakraborty, Tushar K. ; Srinivasu, P. ; Sakunthala Madhavendra, S. ; Kiran Kumar, S. ; Kunwar, Ajit C. (2004) Conformational studies of the linear homooligomers of a glucose-derived furanoid sugar amino acid Tetrahedron Letters, 45 (18). pp. 3573-3577. ISSN 0040-4039
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00404...
Related URL: http://dx.doi.org/10.1016/j.tetlet.2004.03.048
Abstract
Conformational analysis of the linear tetramer of the glucose-derived furanoid sugar amino acid 1 by NMR and constrained molecular dynamics studies revealed that the fully protected tetramer 2a has a well-defined structure in CDCl3 with repeating β-turns, each involving a 10-membered ring structure with intramolecular hydrogen bonds between NHi → C = Oi-2. Its deprotected versions 2b and 2c showed aggregation in organic solvents with structures similar to that of 2a.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Sugar Amino Acids; Oligomer; Hydrogen Bonding; Conformation; NMR |
| ID Code: | 20570 |
| Deposited On: | 20 Nov 2010 14:17 |
| Last Modified: | 22 May 2011 15:06 |
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