A full study on the synthesis of 3-azabicyclo[4.1.0]heptane-1-carboxylic acid is described.Three different approaches were investigated in order to achieve an efficient synthesis of this unnatural aminoacid.The optimized synthetic route relies upon three key steps: (i) diazomalonate insertion on 4-phtalimido 1-butene, (ii) intramolecular cyclization and (iii) chemoselective reduction of the resulting lactam.Due to its bicyclic nature and conformational constraints, this aminoacid may be an useful building block in medicinal chemistry. © 2010 Elsevier Ltd.All rights reserved.
Synthesis of 3-azabicyclo [4.1.0]heptane-1-carboxylic acid
Napolitano C.;Paio A.;Manfredini S.
2010
Abstract
A full study on the synthesis of 3-azabicyclo[4.1.0]heptane-1-carboxylic acid is described.Three different approaches were investigated in order to achieve an efficient synthesis of this unnatural aminoacid.The optimized synthetic route relies upon three key steps: (i) diazomalonate insertion on 4-phtalimido 1-butene, (ii) intramolecular cyclization and (iii) chemoselective reduction of the resulting lactam.Due to its bicyclic nature and conformational constraints, this aminoacid may be an useful building block in medicinal chemistry. © 2010 Elsevier Ltd.All rights reserved.File in questo prodotto:
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