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Synthesis and chiral recognition properties of L-Ala-Crown(3)-L-Ala capped β-cyclodextrin

✍ Scribed by Roberto Corradini; Giuseppe Buccella; Gianni Galaverna; Arnaldo Dossena; Rosangela Marchelli

Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
255 KB
Volume
40
Category
Article
ISSN
0040-4039

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✦ Synopsis

The synthesis and full spectroscopic characterization (IR, 1D and 2D TOCSY and ROESY NMR, MS) of a novel capped 13-cyciodextrin bearing a 6A,6D-dideoxy-N,N'-3,6,9-trioxa-undecanoyl-(L,L)-bis-alanyl bridge are described. The chiral recognition properties of the product towards Dns-amino acids have been examined by capillary electrophoresis.

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Design of Peptides Using α,β-Dehydro-res
Design of Peptides Using α,β-Dehydro-residues: Synthesis, Crystal Structure and Molecular Conformation of N-Boc-L-Val-ΔPhe–ΔPhe-L-Ala-OCH3
✍ Smita Bhatia; Sharmistha Dey; Punit Kaur; Prof. Tej P. Singh 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 477 KB

To obtain general rules of peptide design using alpha, beta-dehydro-residues, a sequence with two consecutive delta Phe-residues, Boc-L-Val-delta Phe-delta Phe-L-Ala-OCH3, was synthesized by azlactone method in solution phase. The peptide was crystallized form its solution in an acetone/water mixtur