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cyclo(-L-Prolyl-D-tert-leucyl-)

✍ Scribed by Sklenář, I. ;Ječný, J.


Book ID
114525908
Publisher
International Union of Crystallography
Year
1979
Weight
252 KB
Volume
35
Category
Article
ISSN
0567-7408

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## Abstract __Cyclo__(D‐Leu‐L‐Leu) and __cyclo__(L‐Leu‐L‐Leu) were synthesized, and their carbon‐13 nmr spectra at 65 MHz were examined in dimethylsulfoxide and trifluoroacetic acid solutions. The chemical shift data are consistent with a boat or “twisted” boat conformation of the diketopiperazine