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Ethyl 2-[N-(tert-butyloxycarbonyl)-L-alanylamino]-4-methyl-1,3-thiazole-5-carboxylate reveals a trans orientation of the preceding amide N-H with respect to the thiazole-ring sulfur

Singh, Umesh Prasad and Thomas, Mini and Seshadri, TP and Bhattacharya, Santanu (2000) Ethyl 2-[N-(tert-butyloxycarbonyl)-L-alanylamino]-4-methyl-1,3-thiazole-5-carboxylate reveals a trans orientation of the preceding amide N-H with respect to the thiazole-ring sulfur. In: Acta Crystallographica Section C, 56 (12). pp. 1482-1483.

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Abstract

The title molecule, C15H23N3O5S, was prepared as a synthetic precursor to 4-methylthiazole-based DNA minor groove binders which would bear chiral amino acids in the sequence. The crystallographic evidence presented herein shows that the aromatic amide NH group preceding the thiazole ring points away from the direction of sulfur. The molecule is biplanar, with the dihedral angle between the N-terminus peptide moiety and the thiazole-containing plane being 49.7 (5)degrees, with a bend at the C alpha carbon.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to International Union of Crystallography.
Department/Centre: Division of Chemical Sciences > Organic Chemistry
Division of Physical & Mathematical Sciences > Physics
Date Deposited: 17 Jul 2009 09:39
Last Modified: 19 Sep 2010 05:24
URI: http://eprints.iisc.ernet.in/id/eprint/18645

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