
Tetrahedron p. 10259 - 10280 (1995)
Update date:2022-08-02
Topics:
Alonso, Francisco
Mico, Irene
Najera, Carmen
Sansano, Jose M.
Yus, Miguel
et al.
The preparation of 3-substituted cyclopentanones 12-16, 4-substituted cyclohexanones 23-28 and cycloheptanones 38-41 is described.Substituents in the cycloalkanones are carboxylate, phosphonate or tetrazole groups, separated from the ring by a 0, 1, 2, or 3 carbon atoms chain.These cycloalkanones have been transformed into α-amino acids 9-11 by hydrolysis of the corresponding hydantoin derivatives 21, 37 and 62, obtained under Bucherer-Bergs reaction conditions.
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