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13444254953
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Commercially available from Wako Pure Chemical Industires, Ltd. (Japan) as palladium-activated carbon ethylene diamine complex (Pd 5%) [5% Pd/C(en), 163-21441 and 169-21443].
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9
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(a) Kuzuhara et al. have reported the chemoselective hydrogenation of an azido group in the presence of an aliphatic N-Cbz protective group using Raney Ni, which must be added into the reaction mixture in small portions with careful monitoring to avoid cleavage of the N-Cbz group. H. Kuzuhara, O. Mori, and S. Emoto Tetrahedron Lett. 1976 379 382
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