Process for preparing norscopine

C - Chemistry – Metallurgy – 07 – D

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260/270.5

C07D 451/06 (2006.01)

Patent

CA 1254565

Abstract The invention relates to the compound norscopine which is useful as a preliminary product for the preparation of valuable pharmaceutical com- positions (e.g. 6,11-dihydro-dibenzo-[b,e]-thiepine-11-N-alkyl-norscopine ethers with a spasmolytic and bronocholytic effect). This compound may be prepared from norscopolamine by hydrogenolysis with complex hydrides. The reaction is preferably carried out with sodium borohydride with ethanol at ambient temperature.

426596

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