e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Synthesis of both enantiomers of β, β-diphenyl-α-alanine (Dip) from glycine using (S)-or (R)-2-[(N-benzylprolyl) amino] benzophenone as a reusable chiral auxiliary