Using the Ni-[(Benzylprolyl)amino]benzophenone complex in the Glaser reaction for the synthesis of bis alpha-amino acidsстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 12 августа 2020 г.
Аннотация:New different-structure enantiomerically enriched tailor-made (S)-α-amino acids were obtained through the cross-coupling reactions of Glaser. As the initial complex, the Schiff base Ni(II) ¬complexes of the chiral auxiliary (S)-BPB (BPB (N-benzyl proline benzophenone) and amino acids containing sp carbon atom in the amino acid fragment were used. The target Ni(II) complexes were disassembled with aqueous HCl and the tailor-made amino acids were isolated with excellent enantioselectivities (>99% ee).