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N-acetyl-N′-methylamide derivative of (2S,3S)-1-amino-2,3-diphenylcyclopropane-carboxylic acid: Theoretical analysis of the conformational impact produced by the incorporation of the second phenyl group to the cyclopropane analogue of phenylalanine
- Source :
- Digital.CSIC. Repositorio Institucional del CSIC, instname
- Publication Year :
- 2003
- Publisher :
- American Chemical Society, 2003.
-
Abstract
- The intrinsic conformational preferences of (2S,3S)-1-amino-2,3-diphenylcyclopropanecarboxylic acid, a phenylalanine cyclopropane analogue bearing two phenyl substituents, have been examined theoretically. For this purpose, its N-acetyl-N‘-methylamide derivative, Ac-(2S,3S)c3diPhe-NHMe, has been investigated by using ab initio HF and DFT methods. Results have been compared with those previously reported for other cyclopropane analogues of phenylalanine, and with experimental data available for c3diPhe-containing peptides.<br />Financial support from the Ministerio de Ciencia y Tecnología (Projects PPQ2001-1834, PPQ2002-819, and SAF2002-04325-C03-01; Ramón y Cajal contract for A.I.J.) is gratefully acknowledged.
Details
- Database :
- OpenAIRE
- Journal :
- Digital.CSIC. Repositorio Institucional del CSIC, instname
- Accession number :
- edsair.dedup.wf.001..f7de8f592bf635c4b6150a8855431106