Synthesis and purification of d-propoxyphene hydrochloride

Details Synthesis and purification of d-propoxyphene hydrochloride Synthesis and purification of d-propoxyphene hydrochloride

C - Chemistry, Metallurgy

07

C

260/492.1

C07C 213/08 (2006.01) C07C 67/03 (2006.01) C07C 219/22 (2006.01)

Patent

CA 1286314

IMPROVED SYNTHESIS AND PURIFICATION of d-PROPOXYPHENE HYDROCHLORIDE ABSTRACT New and improved synthesis of .alpha.-d-propoxyphene hydrochloride by acid chloride reaction between propionyl chloride and .alpha.-d-1,2-diphenyl-3-methyl-4- dimethylamino-2-butanol (d-oxyphene) with small amounts of thionyl chloride improves yield and substantially simplifies purification.

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