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ChemInform Abstract: A Novel Amination Reaction with Diphenyl Phosphorazidate: Synthesis of α-Amino-acid Derivatives.

✍ Scribed by J. M. VILLALGORDO; A. LINDEN; H. HEIMGARTNER

Book ID
112031269
Publisher
John Wiley and Sons
Year
2010
Weight
29 KB
Volume
27
Category
Article
ISSN
0931-7597

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A Novel Amination Reaction with Diphenyl
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## Abstract The reaction of enolates of α‐unsubstituted carboxamides 3 with diphenyl phosphorazidate (DPPA) and di(__tert__‐butyl) dicarbonate (‘Boc anhydride’) in THF at −78° yielded 2‐{[(__tert__‐butoxy)carbonyl]amino}carboxamides 5 (__Scheme 2__) which are derivatives of α‐amino acids. In this r

ChemInform Abstract: Synthesis of Constr
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Synthesis of Constrained α-Amino Acid Derivatives via Enyne Metathesis Reaction. -Ring-closing metathesis of the enyne (VI), prepared following an optimized approach, in the presence of Grubb's catalyst gives the vinylcyclopentene (VII). The latter undergoes Diels-Alder reaction with the appropriat