e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Studies on unusual amino acids and their peptides. X. The convenient synthesis of t-leucine and the optical resolution of the N-benzyloxycarbonyl derivative.
T Miyazawa, K Takashima, Y Mitsuda…
Index: Bulletin of the Chemical Society of Japan, , vol. 52, p. 1539 - 1540