Process for the manufacture of new amines

C - Chemistry – Metallurgy – 07 – C

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C07C 275/34 (2006.01) C07D 263/06 (2006.01) C07D 303/22 (2006.01)

Patent

CA 1149819

CIBA-GEIGY AG 4-6930/1+2 Basel Canada A PROCESS FOR THE MANUFACTURE OF NEW AMINES Abstract of the Disclosure Compounds of the formula Image (I) wherein R1 represents hydrogen or lower alkyl; R2 represents lower alkyl; R3 represents lower alkyl, and Ph represents a meta- or para-phenylene radical, unsubstituted or substi- tuted once by alkyl or alkenyl with 1 to 4 C-atoms or by halogen, and pharmaceutically acceptable salts thereof, which are manufactured by using processes known per se inhibit cardioselective .beta.-receptors and thus are useful as cardioselective .beta.-receptor blocking agents.

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