Tertiary aryloxyalkanoyl aminoalkylamines
The invention comprises compounds of <FORM:1036272/C2/1> wherein Ar is a phenyl group optionally substituted by a methylenedioxy group, one or two C1- 4 alkyl groups or halogen atoms of which at most one is in the ortho-position with respect to the aminoalkylaminoalkoxy residue, or one or two C1- 4 alkoxy, nitro or trifluoromethyl groups, R1 is a hydrogen atom or a C1- 4 alkyl group, and n is 0, 1 or 2, acid addition salts thereof, and their preparation by reaction of the appropriate aryloxyacetyl chloride with the appropriate amine. The compounds of the invention have anti-tussive activity. Reference has been directed by the Comptroller to Specification 942,761.