Hydrogenation of schiff bases with group 6 metal carbonyls and sodium methoxide as catalyst precursors |
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| Authors: | József Palágyi Zsuzsa Nagy-Magos László Markó |
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| Affiliation: | (1) Institute of Organic Chemistry, University of Veszprém, H-8200 Veszprém, Hungary |
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| Abstract: | Summary Schiff bases are hydrogenated to secondary amines by H2 in the presence of [M(CO)6](M=Cr, Mo or W) and NaOMe in methanol solution at 60–160 °C andca. 100 bar H2 pressure. The reaction is significantly slower in the absence of NaOMe. In a stoichiometric reaction, [HCr(CO)5]– hydrogenatesN- benzylidene-aniline at 75 °C toN-benzylaniline forming [Cr2(CO)10]2–. |
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