Novel substituted amino-aromatic acetylenes and their method of

Details Novel substituted amino-aromatic acetylenes and their method of Novel substituted amino-aromatic acetylenes and their method of

1978-02-27

1979-02-13

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260571, 260578, 528183, 528345, C07C 8511, C07C 8524, C07C 9140

Patent

active

041395611

ABSTRACT:
Substituted acetylenes wherein the amino and acetylene groups are directly connected to aromatic ring carbon atoms and wherein the substituted acetylene has at least 3 carbon atoms and a hydroxyl group on the carbon atom adjacent to the acetylene group are claimed as new compositions of matter. The new compositions are prepared by the selective reduction of the corresponding nitroaromatic by contacting the nitroaromatic and free molecular hydrogen with a catalyst consisting essentially of ruthenium. A new process is also described for the preparation of an aminophenylacetylene.

REFERENCES:
patent: 3177258 (1965-04-01), Rylander et al.
patent: 3928450 (1975-12-01), Bilow et al.
patent: 3975444 (1976-08-01), Kovar et al.
patent: 4002673 (1977-01-01), Braden et al.
Rauss-Godineau, "Chem. Ab.", vol. 66, Ab. No. 75765z, (1967).

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