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ChemInform Abstract: Lewis Acid Catalyzed Intramolecular Allylic Substitution of Bis(trichloroacetimidates): A Versatile Approach to Racemic Unsaturated Amino Acids.

✍ Scribed by Liene Grigorjeva; Aigars Jirgensons

Publisher
John Wiley and Sons
Year
2011
Weight
36 KB
Volume
42
Category
Article
ISSN
0931-7597

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Lewis Acid Catalyzed Intramolecular Ally
Lewis Acid Catalyzed Intramolecular Allylic Substitution of Bis(trichloroacetimidates): A Versatile Approach to Racemic Unsaturated Amino Acids
✍ Liene Grigorjeva; Aigars Jirgensons 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 220 KB

## Abstract Lewis acid catalyzed cyclization of trichloroacetimidates derived from 1,4‐butenediols and 1,5‐butenediols was achieved to give 4‐vinyl oxazolines and 4‐vinyloxazines in good to excellent yields. The cyclization products were transformed to protected unsaturated α‐ and __β__‐amino acids

ChemInform Abstract: A New Approach to t
ChemInform Abstract: A New Approach to the Stereoselective Synthesis of Conveniently Protected α-Allyl Substituted Amino Acids; Chiral Key Compounds in the Synthesis of Constrained Peptide Isostere Constituents.
✍ R. BADORREY; C. CATIVIELA; M. D. DIAZ-DE-VILLEGAS; J. A. GALVEZ; Y. LAPENA 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 KB 👁 2 views

rearrangement of the corresponding acylazides to the amine (VI). -(BADORREY, R.; CATIVIELA, C.;