| 摘要 |
Disclosed are chiral N-acetyl-alpha amino acid salts of formula I wherein R is methyl, ethyl, n-propyl, isopropyl, n-butyl, or isobutyl and Q is N-acetyl-L-alanine, N-acetyl-L-arginine, N-acetyl-L-asparagine, N-acetyl-L-aspartic acid, N-acetyl-L-cysteine, N-acetyl-L-glutamine, N-acetyl-L-glutamic acid, N-acetyl-L-histidine, N-acetyl-L-isoleucine, N-acetyl-L-Ieucine, N-acetyl-L-Iysine, N-acetyl-L-methionine, N-acetyl-L-phenylalamine, N-acetyl-L-proline, N-acetyl-L-serine, N-acetyl-L-threonine, N-acetyl-L-tryptophan, N-acetyl-L-tyrosine, N-acetyl-Lvaline, N-acetyl-D-alanine, N-acetyl-D-arginine, N-acetyl-D-asparagine, N-acetyl-D-aspartic acid, N-acetyl-D-cysteine, N-acetyl-D-glutamine, N-acetyl-D-glutamic acid, N-acetyl-D-histidine, N-acetyl-D-isoleucine, N-acetyl-D-Ieucine, N-acetyl-D-Iysine, N-acetyl-D-methionine, N-acetyl-D-phenylalamine, N-acetyl-D-proline, N-acetyl-D-serine, N-acetyl-D-threonine, N-acetyl-D-tryptophan, N-acetyl-D-tyrosine, or Nacetyl-D-valine. Also disclosed is a process for preparing optically active beta-amino alkylnitriles by resolving racemic beta-amino alkylnitriles using chiral N-acetyl-alpha-amino acids as resolving agents.
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