Synthesis, crystal structure and molecular conformation of Nalpha-Boc-L-leucyl-(Z)-beta-(3-pyridyl)-alpha,beta- dehydroalanyl-L-leucine methyl ester. |
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Authors: | K Yamada H Oku S-S Shinoda R Katakai |
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Affiliation: | Department of Chemistry, Gunma University, Tenjin-cho, Kiryu, Gunma, Japan. |
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Abstract: | A protected tridehydropeptide containing (Z)-beta-(3-pyridyl)-alpha,beta-dehydroalanine (Delta(Z)3Pal) residue, Boc-Leu-Delta(Z)3Pal-Leu-OMe (1), was synthesized via Erlenmeyer azlactone method. X-ray crystallographic analysis revealed that the peptide 1 adopts an extended conformation, which is similar to that of a Delta(Z)Phe analog, Boc-Leu-Delta(Z)Phe-Leu-OMe (2). |
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