Title: Derivatives of hexahydrodibenzofuran-3-one, their preparation and use in pharmaceutical compositions

Abstract: The present invention relates to derivatives of hexahydrodibenzofuran-3-one and their salts possessing interesting antitussive activity, their process of preparation, intermediates, and pharmaceutical compositions.

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Inventors: Matharu, Saroop Singh (Highworth, EN)
Rowlands, David Alun (Cirencester, EN)
Westwood, Robert (Cricklade, EN)
Taylor, John Bodenham (Down Ampley, EN)

Application Number: 571236
Filing Date: 1975-04-24
Publication_date: 1977-03-01
Assignee: Roussel-UCLAF (Paris, FR)
Primary Class(es): 514/254.11 514/232.8, 514/320, 514/422, 544/375, 546/196, 548/525, 549/460, 549/461
Other Classes:
US Patent Ref:

3646060

Feb, 1972

Morlock et al.

260/346.

Other Refs:
Primary Examiner: Daus, Donald G.
Assistant Examiner: Tovar, Jose
Attorney: Bacon & Thomas