... Please enable JavaScript to use all the features on this page. Journal of Molecular Catalysis B: Enzymatic. Volume 91, July 2013, Pages 32–36. ... 1 H NMR δ (ppm): 4.19 (d, J = 15.5 Hz, 1H, CHP), 7.29 (s, 5H, Ph). 2.1.3. 1-Amino-2-phenylethanephosphonic acid (Phe P ). ...