Novel cyclic amino acids and derivatives thereof

Details Novel cyclic amino acids and derivatives thereof Novel cyclic amino acids and derivatives thereof

C - Chemistry, Metallurgy

07

D

C07D 311/90 (2006.01) C07C 229/36 (2006.01) C07C 233/51 (2006.01) C07C 271/22 (2006.01) C07D 219/02 (2006.01) C07D 307/54 (2006.01) C07D 333/24 (2006.01) C07D 335/20 (2006.01) C07D 401/12 (2006.01) C07D 405/12 (2006.01) C07D 409/12 (2006.01) C07D 413/12 (2006.01) C07D 417/12 (2006.01) C07D 453/04 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2133089

Novel cyclic amino acids which are useful in preparing biologically active peptides as well as a process for the preparation of D and L enantiomers of the cyclic amino acids are described where an N- protected derivative of the racemic cyclic amino acid is treated with (-)cinchonidine and the resulting salt resolved into the desired enantiomers, as well as derivatives thereof and valuable intermediates used in the process.

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