STUDIES ON THE SYNTHESIS METHOD OF AMINO ACIDS-(XI) CONFIGURATION OF CONDENSATION PRODUCTS BY N-SUBSTITUTED IMIDATE WITH AROMATIC ALDEHYDES-DEHYDROA-MINO ACID DERIVATIVES AND THE NMR STUDIES
Wu Meiyu, Yan Baozhen, Rong Yajing, Shi Yaozeng, Zhang Qiuyu, Hu Hongwen
Chinese Journal of Magnetic Resonance . 1992, (4): 391 -396 .