Selective hydrogenation of nitroaromatic acetylenes over an...

Details Selective hydrogenation of nitroaromatic acetylenes over an... Selective hydrogenation of nitroaromatic acetylenes over an...

C - Chemistry, Metallurgy

07

C

260/600, 260/596

C07C 209/36 (2006.01) B01J 27/045 (2006.01)

Patent

CA 1123012

SELECTIVE HYDROGENATION OF NITROAROMATIC ACETYLENES OVER AN UNSUPPORTED RuS2 CATALYST Abstract Aromatic nitroacetylene compounds wherein both the nitro and acetylene groups are directly connected to aromatic ring carbon atoms are hydrogenated in dilute concentration in an inert solvent at high conversion levels to selectively reduce the nitro function using an unsupported ruthenium disulfide catalyst. Of particular interest is the preparation of an aminophenylacetylene from a nitrophenylacetylene.

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