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|Type:||Artigo de periódico|
|Title:||Stereoselective synthesis of conformationally restricted analogues of aspartic and glutamic acids from endocyclic enecarbamates.|
|Abstract:||The stereoselective synthesis of cyclic amino acids incorporating the core framework of aspartic acid and glutamic acids were accomplished from a common intermediate. Oxidative cleavage of an aza-bicyclic-dichlorocyclobutanone/pentanone with Me(2)CuLi/Ac2O followed by ozonolysis furnished the amino acid derivatives in good overall yields in a three-step sequence. This protocol was also applied to the synthesis of a cis-beta-amino acid and to the enantioselective construction of a chimeric amino acid incorporating the basic skeleton of four different naturally occurring amino acids into a single structure. (C) 1997 Elsevier Science Ltd.|
|Editor:||Pergamon-elsevier Science Ltd|
|Citation:||Tetrahedron Letters. Pergamon-elsevier Science Ltd, v. 38, n. 11, n. 1869, n. 1872, 1997.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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