Sodium borohydride + transition metal salts

Satoh, T., Suzuki, S., Suzuki, Y., Miyaji, Y., and Imai, Z., Reduction of organic compound with sodium borohydride-transition metal salt systems reduction of organic nitrile, nitro and amide compounds to primary amines, Tetrahedron Lett., 10, 4555 4558, 1969. 

Quinoxaline derivatives give, after reduction with sodium borohydride-transition-metal salt system, e.g. nickel(II) chloride, 1,2,3,4-tetrahydroquinoxaline derivatives. ... 

Chinnappan, A., H. Kim, C. Baskar, and 1. T. Hwang. 2012. Hydrogen Generation from the Hydrolysis of Sodium Borohydride with New Pyridinium Dicationic Salts Containing Transition Metal Complexes. International Journal of Hydrogen Energy 37 (13) 10240-10248. 

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