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Theoretical study of the cis-trans isomerism in disubstituted d6 metal carbonyls

✍ Scribed by Daniel, C.; Veillard, A.

Book ID
126898253
Publisher
American Chemical Society
Year
1989
Tongue
English
Weight
562 KB
Volume
28
Category
Article
ISSN
0020-1669

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✍ Christoph Grathwohl; Kurt WΓΌthrich πŸ“‚ Article πŸ“… 1981 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 593 KB

## Abstract ^1^H‐Nmr was used to measure the rate of __cis__–__trans__ interconversion of __X__‐Pro bonds in linear and cyclic oligopeptides. __k__(cis β†’ trans) = 2.5 Γ— 10^βˆ’3^ s^βˆ’1^ at 25Β°C was found for the zwitterionic form of H‐Ala‐Pro‐OH, in good agreement with earlier measurements. Replacement