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Synthesis of a cyclic pseudo 310 helical structure from a β-amino acid-l-proline derived tripeptide via a ring closing metathesis reaction

✍ Scribed by Biswadip Banerji; B Mallesham; S Kiran Kumar; A.C Kunwar; Javed Iqbal

Publisher
Elsevier Science
Year
2002
Tongue
French
Weight
101 KB
Volume
43
Category
Article
ISSN
0040-4039

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📜 SIMILAR VOLUMES

A facile conversion of a 310 helical str
A facile conversion of a 310 helical structure to a cyclic β-turn mimic in dehydrophenylalanine-derived small peptides through ring-closing metathesis
✍ T.V.R.S Sastry; Biswadip Banerji; S Kiran Kumar; A.C Kunwar; Jagattaran Das; Jyo 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 188 KB

Dehydrophenylalanine-derived small peptides can be preorganized in a 3 10 helical structure which is transformed into a b-turn mimic during a ring-closing metathesis cyclization.

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✍ Biswajit Saha; Debasis Das; Biswadip Banerji; Javed Iqbal 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 190 KB

N-Crotonyl-L-proline derived peptides can be transformed to the corresponding b-methyl-b-alanine-L-proline peptides by Yb(OTf) 3 catalysed Michael addition of aliphatic amines to the crotonyl residue. The Michael adducts derived from addition of allylamine are versatile precursors to the correspondi