1. 1) For reviews, See (a) S. Nishimura, “Handbook of Heterogeneous Catalytic Hydrogenation for Organic Synthesis”, Wiley, New York, 2001
2. (b) P. N. Rylander “Hydrogenation Methods”, Academic Press, New York (1985)
3. (c) P. N. Rylander, “Catalytic Hydrogenation in Organic Synthesis”, Academic Press, New York (1979)
4. (d) M. Freifelder “Practical Catalytic Hydrogenation Techniques and Applications”, Wiley-Interscience, New York (1971)
5. (e) S. Siegel, “Comprehensive Organic Synthesis” eds. by B. M. Trost, I. Fleming. Pergamon Press, Oxford, Vol. 8, 417 (1991)