= 15.17 cm-', F ( 0 0 0 ) = 1680, T = 291K, R = 0.055 and Rw = 0.061 for 3913 reflections with I ~2.5o(I) out of 4264 independent measurements. The peptide chain adopts a conformation of the type 11'6 turn
The Structure of the Trans N-Pivaloyl-D-Phenylalanyl-L-Thiazolidine-4-(N′-Ethyl)Carboxamide in the Crystalline State C20H20N3O3S
✍ Scribed by S. Wu; B. Tinant; J. P. Declercq; M. van Meerssche; F. A. M. Borremans; M. J. O. Anteunis
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2010
- Weight
- 271 KB
- Volume
- 94
- Category
- Article
- ISSN
- 0037-9646
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subjected to-an X-ray diffraction analysis. C20H29N303S.CH OH.H20, Mr=441.58, triclinic, Pol, a = 12.98;;2), b = 9.939(1), c = 11.345(1)w, a = 75.05(1)', .31 cm-', F(000) = 476, T = 291K, R = 0.058 for 3875 observed reflections. The data reveal a molecular conformation with all t r a n s amide bond
cent dextran in 0.9 per cent saline. Dextran is a polysaccharide which, by differential fractionation of the hydrolysed product, has recently been so confined within the limiting molecular weights that only about 10 per cent is excreted in 24 hours. It is pointed out how all these substitutes tend t