Two new L-tryptophan derivatives,(S)-2-(4-acetoxybenzamido)-3-(1 H-indol-3-yl)propanoic acid(I) and(S)-2-(3-acetoxybenzamido)-3-(1H-indol-3-yl)propanoic acid(II
Attaining high activity with high selectivity at low temperature is challenging in the selective hydrogenation of phenol to cyclohexanone due to its high activa